This page contains information about which telephone companies the various 08000 numbers are allocated to.
| First Digits | Status | Communications Provider | Use | Notes | Change |
|---|---|---|---|---|---|
| 0800 000 | Allocated (Closed Range) | BT | Freephone Numbers | 9 Digit Numbers | - |
| 0800 0010 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0011 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0012 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0013 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0014 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0015 | Allocated | Vodafone Ltd (Thus) | Freephone Numbers | 10 digit numbers | 10/05/2010 |
| 0800 0016 | Allocated | Phone Buddy Limited | Freephone Numbers | 10 digit numbers | 15/07/2003 |
| 0800 0017 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0018 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0019 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0020 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0021 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0022 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0023 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0024 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0025 | Allocated | Phone Buddy Limited | Freephone Numbers | 10 digit numbers | 15/07/2003 |
| 0800 0026 | Allocated | Daotec Ltd | Freephone Numbers | 10 digit numbers | 27/04/2005 |
| 0800 0027 | Allocated | Netsmart Limited | Freephone Numbers | 10 digit numbers | 30/01/2007 |
| 0800 0028 | Allocated | Unity Broadband Ltd | Freephone Numbers | 10 digit numbers | 26/05/2004 |
| 0800 0029 | Allocated | Core Telecom Limited | Freephone Numbers | 10 digit numbers | 01/03/2006 |
| 0800 0030 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0031 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0032 | Allocated | Icron Network Limited | Freephone Numbers | 10 digit numbers | 08/08/2006 |
| 0800 0033 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0034 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0035 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0036 | Allocated | CFL Communications Limited | Freephone Numbers | 10 digit numbers | 28/03/2006 |
| 0800 0037 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0038 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0040 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0041 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0042 | Allocated | Invomo Ltd | Freephone Numbers | 10 digit numbers | 30/01/2008 |
| 0800 0043 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0044 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0045 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0046 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0047 | Allocated | A2B Telecom Limited | Freephone Numbers | 10 digit numbers | 06/06/2006 |
| 0800 0048 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0049 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0050 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0051 | Allocated | Buzz Networks Limited | Freephone Numbers | 10 digit numbers | 07/07/2006 |
| 0800 0052 | Allocated | Buzz Networks Limited | Freephone Numbers | 10 digit numbers | 07/07/2006 |
| 0800 0053 | Allocated | Buzz Networks Limited | Freephone Numbers | 10 digit numbers | 07/07/2006 |
| 0800 0054 | Allocated | Rojo Trading Limited | Freephone Numbers | 10 digit numbers | 19/04/2007 |
| 0800 0055 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0056 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0057 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0058 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0059 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0060 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0061 | Allocated | Localphone Limited | Freephone Numbers | 10 digit numbers | 22/06/2007 |
| 0800 0062 | Allocated | Bicom Systems EURL | Freephone Numbers | 10 digit numbers | 23/07/2008 |
| 0800 0063 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0064 | Allocated | Jtec UK Limited | Freephone Numbers | 10 digit numbers | 26/07/2011 |
| 0800 0065 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0067 | Allocated | Titanium Limited | Freephone Numbers | 10 digit numbers | 14/05/2003 |
| 0800 0068 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0069 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0070 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0071 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0072 | Allocated | iCard European Telecommunications (Ireland) Ltd | Freephone Numbers | 10 digit numbers | 19/02/2007 |
| 0800 0073 | Allocated | Simwood eSMS Limited | Freephone Numbers | 10 digit numbers | 13/07/2006 |
| 0800 0074 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 06/11/2006 |
| 0800 0075 | Allocated | Alphatalk Ltd | Freephone Numbers | 10 digit numbers | 05/10/2004 |
| 0800 0076 | Allocated | Alphatalk Ltd | Freephone Numbers | 10 digit numbers | 05/10/2004 |
| 0800 0077 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0078 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0079 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0080 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0081 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 22/06/2007 |
| 0800 0082 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0083 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 digit numbers | 22/03/2011 |
| 0800 0084 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0085 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0086 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 01/07/2005 |
| 0800 0087 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 07/02/2006 |
| 0800 0088 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0089 | Allocated | JSC Ingenium (UK) Limited | Freephone Numbers | 10 digit numbers | 26/05/2011 |
| 0800 0090 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0091 | Allocated | QX Telecom Ltd | Freephone Numbers | 10 digit numbers | 25/06/2007 |
| 0800 0092 | Allocated | Frontier Systems Ltd | Freephone Numbers | 10 digit numbers | 08/10/2007 |
| 0800 0093 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 digit numbers | 18/01/2008 |
| 0800 0094 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 digit numbers | 18/01/2008 |
| 0800 0095 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0096 | Allocated | Liquid 11 Limited | Freephone Numbers | 10 digit numbers | 16/12/2008 |
| 0800 0097 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0098 | Allocated | Orbis Telecom | Freephone Numbers | 10 digit numbers | 23/04/2009 |
| 0800 0099 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0100 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0101 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0102 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0103 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0104 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0105 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0106 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 07/02/2008 |
| 0800 0107 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0108 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0109 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0110 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0111 | Allocated | Elitetele.com plc | Freephone Numbers | 10 digit numbers | 27/03/2003 |
| 0800 0112 | Allocated | Digital Mail Limited | Freephone Numbers | 10 digit numbers | 14/08/2003 |
| 0800 0113 | Allocated | BT | Freephone Numbers | 10 digit numbers | 28/06/2005 |
| 0800 0114 | Allocated | TelXL Ltd | Freephone Numbers | 10 digit numbers | 29/06/2006 |
| 0800 0115 | Allocated | Impello Limited | Freephone Numbers | 10 digit numbers | 11/09/2003 |
| 0800 0116 | Allocated | BT | Freephone Numbers | 10 digit numbers | 08/09/2009 |
| 0800 0117 | Allocated | Mundio Mobile Limited | Freephone Numbers | 10 digit numbers | 08/07/2009 |
| 0800 0118 | Allocated | The Number UK Limited | Freephone Numbers | 10 digit numbers | 04/05/2004 |
| 0800 0119 | Allocated | (aq) Limited trading as aql | Freephone Numbers | 10 digit numbers | 13/09/2007 |
| 0800 0120 | Allocated | Lycatel (Ireland) Limited | Freephone Numbers | 10 digit numbers | 01/03/2006 |
| 0800 0121 | Allocated | BT | Freephone Numbers | 10 Digit Numbers | 03/11/2004 |
| 0800 0122 | Allocated | X-Pilot Limited | Freephone Numbers | 10 digit numbers | 27/05/2004 |
| 0800 0123 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0124 | Allocated | Telappliant Ltd | Freephone Numbers | 10 digit numbers | 09/04/2008 |
| 0800 0125 | Allocated | Calltracks Limited | Freephone Numbers | 10 digit numbers | 28/08/2009 |
| 0800 0126 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 digit numbers | 18/01/2008 |
| 0800 0128 | Allocated | Six Degrees Unified Comms Limited | Freephone Numbers | 10 digit numbers | 09/12/2008 |
| 0800 0129 | Allocated | DRD Communications Limited | Freephone Numbers | 10 digit numbers | 11/09/2009 |
| 0800 013 | Allocated | Virgin Media Limited | Freephone Numbers | 10 Digit Numbers | 23/05/2002 |
| 0800 0140 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0141 | Allocated | Vodafone Ltd (Thus) | Freephone Numbers | 10 digit numbers | 28/02/2006 |
| 0800 0142 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 digit numbers | 23/04/2012 |
| 0800 0143 | Allocated | Global Telecall Limited | Freephone Numbers | 10 digit numbers | 24/01/2011 |
| 0800 0144 | Allocated | Cloud9 Communications Limited | Freephone Numbers | 10 digit numbers | 23/04/2010 |
| 0800 0145 | Allocated | Wavenet UK Ltd | Freephone Numbers | 10 digit numbers | 17/12/2010 |
| 0800 0146 | Allocated | Numbers Plus Ltd | Freephone Numbers | 10 digit numbers | 20/07/2011 |
| 0800 0147 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 09/04/2009 |
| 0800 0148 | Allocated | Voxbone SA | Freephone Numbers | 10 digit numbers | 10/07/2009 |
| 0800 0149 | Allocated | Invosys Limited | Freephone Numbers | 10 digit numbers | 05/08/2011 |
| 0800 015 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 Digit Numbers | 03/03/2010 |
| 0800 0160 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0161 | Allocated | Real Telekom Ltd | Freephone Numbers | 10 digit numbers | 31/01/2011 |
| 0800 0163 | Allocated | BT | Freephone Numbers | 10 digit numbers | 29/10/2012 |
| 0800 0164 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0165 | Allocated | Verizon UK Ltd | Freephone Numbers | 10 digit numbers | 11/06/2001 |
| 0800 0166 | Allocated | Khalil Telecom Pvt Ltd | Freephone Numbers | 10 digit numbers | 10/03/2010 |
| 0800 0167 | Allocated | Real Telekom Ltd | Freephone Numbers | 10 digit numbers | 31/01/2011 |
| 0800 0168 | Allocated | Zamir Telecom Limited | Freephone Numbers | 10 digit numbers | 23/02/2011 |
| 0800 0169 | Allocated | Nexus Telecommunications Limited | Freephone Numbers | 10 digit numbers | 22/03/2011 |
| 0800 018 | Allocated | Verizon UK Ltd | Freephone Numbers | 10 Digit Numbers | 08/09/1995 |
| 0800 019 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 Digit Numbers | 29/06/2006 |
| 0800 0200 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0202 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0203 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0204 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0205 | Allocated | Cobalt Telephone Technologies | Freephone Numbers | 10 digit numbers | 11/07/2008 |
| 0800 0206 | Allocated | Need More Time Ltd | Freephone Numbers | 10 digit numbers | 09/07/2008 |
| 0800 0207 | Allocated | Annecto Telecom | Freephone Numbers | 10 digit numbers | 30/04/2004 |
| 0800 0208 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0209 | Allocated | BT | Freephone Numbers | 10 digit numbers | 02/06/2011 |
| 0800 0210 | Allocated | NBCN Networks Ltd | Freephone Numbers | 10 digit numbers | 07/01/2010 |
| 0800 0211 | Allocated | Mintaka Limited | Freephone Numbers | 10 digit numbers | 05/03/2010 |
| 0800 0212 | Allocated | Rhodium Telecom Limited | Freephone Numbers | 10 digit numbers | 17/06/2005 |
| 0800 0213 | Allocated | Daisy Communications Ltd | Freephone Numbers | 10 digit numbers | 21/12/2010 |
| 0800 0214 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 digit numbers | 29/06/2006 |
| 0800 0215 | Allocated | Telecom Express Limited | Freephone Numbers | 10 digit numbers | 23/06/2011 |
| 0800 0216 | Allocated | Node4 Ltd. | Freephone Numbers | 10 digit numbers | 02/11/2012 |
| 0800 0217 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 digit numbers | 29/06/2006 |
| 0800 0218 | Allocated | BCH Digital Limited | Freephone Numbers | 10 digit numbers | 26/10/2010 |
| 0800 0219 | Allocated | Planet Numbers Ltd | Freephone Numbers | 10 digit numbers | 10/10/2011 |
| 0800 0220 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0221 | Allocated | Viva Telecom | Freephone Numbers | 10 digit numbers | 27/02/2006 |
| 0800 0222 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0223 | Allocated | BT | Freephone Numbers | 10 digit numbers | 15/06/2005 |
| 0800 0224 | Allocated | BT | Freephone Numbers | 10 digit numbers | 28/06/2005 |
| 0800 0225 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0226 | Allocated | Barritec Limited | Freephone Numbers | 10 digit numbers | 01/10/2004 |
| 0800 0227 | Allocated | Asergis Limited | Freephone Numbers | 10 digit numbers | 14/12/2004 |
| 0800 0229 | Allocated | Via-Vox Limited | Freephone Numbers | 10 digit numbers | 27/10/2008 |
| 0800 0230 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0231 | Allocated | Maximus Communications Ltd | Freephone Numbers | 10 digit numbers | 15/09/2004 |
| 0800 0232 | Allocated | BT | Freephone Numbers | 10 digit numbers | 28/06/2005 |
| 0800 0233 | Allocated | Sky Telecom Limited | Freephone Numbers | 10 digit numbers | 02/08/2012 |
| 0800 0234 | Allocated | BT | Freephone Numbers | 10 digit numbers | 03/11/2004 |
| 0800 0235 | Allocated | BT | Freephone Numbers | 10 digit numbers | 10/10/2011 |
| 0800 0236 | Allocated | BT | Freephone Numbers | 10 digit numbers | 10/10/2011 |
| 0800 0237 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 digit numbers | 29/06/2006 |
| 0800 0238 | Allocated | BT | Freephone Numbers | 10 digit numbers | 01/05/2012 |
| 0800 0239 | Allocated | Telappliant Ltd | Freephone Numbers | 10 digit numbers | 16/04/2013 |
| 0800 0240 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 14/01/2003 |
| 0800 0241 | Allocated | Affiniti Integrated Solutions Ltd | Freephone Numbers | 10 digit numbers | 07/04/2004 |
| 0800 0242 | Allocated | Vodafone Ltd (Thus) | Freephone Numbers | 10 digit numbers | 15/10/2004 |
| 0800 0243 | Allocated | Aloha Telecommunications Limited | Freephone Numbers | 10 digit numbers | 06/08/2012 |
| 0800 0244 | Allocated | C2C Ltd | Freephone Numbers | 10 digit numbers | 07/10/2003 |
| 0800 0245 | Allocated | Atomstream Limited | Freephone Numbers | 10 digit numbers | 30/03/2011 |
| 0800 0246 | Allocated | BT | Freephone Numbers | 10 digit numbers | 29/10/2012 |
| 0800 0247 | Allocated | 24 Seven Communications Ltd | Freephone Numbers | 10 digit numbers | 17/03/2008 |
| 0800 0248 | Allocated | BT | Freephone Numbers | 10 digit numbers | 01/05/2012 |
| 0800 0249 | Allocated | Magnetic North Software Limited | Freephone Numbers | 10 digit numbers | 27/08/2013 |
| 0800 0250 | Allocated | Teledesign Ltd | Freephone Numbers | 10 digit numbers | 07/09/2004 |
| 0800 0251 | Allocated | Teledesign Ltd | Freephone Numbers | 10 digit numbers | 17/10/2007 |
| 0800 0253 | Allocated | TeleWare PLC | Freephone Numbers | 10 digit numbers | 18/05/2011 |
| 0800 0254 | Allocated | Teledesign Ltd | Freephone Numbers | 10 digit numbers | 17/10/2007 |
| 0800 0255 | Allocated | Sky Telecom Limited | Freephone Numbers | 10 digit numbers | 02/08/2012 |
| 0800 0256 | Allocated | Teledesign Ltd | Freephone Numbers | 10 digit numbers | 17/10/2007 |
| 0800 0257 | Allocated | IOVOX Limited | Freephone Numbers | 10 digit numbers | 28/01/2013 |
| 0800 0258 | Allocated | Timico Limited | Freephone Numbers | 10 digit numbers | 27/07/2005 |
| 0800 0259 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 026 | Allocated | Orange Business Holdings UK Limited | Freephone Numbers | 10 Digit Numbers | 23/06/1995 |
| 0800 027 | Allocated | Vodafone Ltd (Thus) | Freephone Numbers | 10 Digit Numbers | 26/07/1995 |
| 0800 028 | Allocated | BT | Freephone Numbers | 10 Digit Numbers | 08/12/1998 |
| 0800 0290 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0291 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0293 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0294 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0296 | Allocated | ORB Telemedia Ltd | Freephone Numbers | 10 digit numbers | 10/06/2014 |
| 0800 0297 | Allocated | Netfuse Telecom Ltd | Freephone Numbers | 10 digit numbers | 16/07/2013 |
| 0800 0298 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0299 | Allocated | Proton Telecom Limited | Freephone Numbers | 10 digit numbers | 19/08/2008 |
| 0800 0300 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0301 | Allocated | Subhan Universal Limited | Freephone Numbers | 10 digit numbers | 29/01/2009 |
| 0800 0302 | Allocated | Talk Numbers Ltd | Freephone Numbers | 10 digit numbers | 09/06/2010 |
| 0800 0303 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0304 | Allocated | BT | Freephone Numbers | 10 digit numbers | 15/06/2005 |
| 0800 0305 | Allocated | Barritel Limited | Freephone Numbers | 10 digit numbers | 09/05/2005 |
| 0800 0306 | Allocated | Radius Communications Limited | Freephone Numbers | 10 digit numbers | 06/02/2014 |
| 0800 0307 | Allocated | XoverX Ltd | Freephone Numbers | 10 digit numbers | 09/05/2013 |
| 0800 0308 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0309 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0310 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 29/02/2000 |
| 0800 0311 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 29/02/2000 |
| 0800 0314 | Allocated | BT | Freephone Numbers | 10 digit numbers | 14/03/2013 |
| 0800 0315 | Allocated | BT | Freephone Numbers | 10 digit numbers | 14/03/2013 |
| 0800 0316 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 digit numbers | 10/03/2006 |
| 0800 0317 | Allocated | Pipex Communications PLC | Freephone Numbers | 10 digit numbers | 14/07/2000 |
| 0800 0318 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0319 | Allocated | Oxygen8 Communications UK Limited | Freephone Numbers | 10 digit numbers | 12/10/2000 |
| 0800 032 | Allocated | BT | Freephone Numbers | 10 Digit Numbers | 21/11/2001 |
| 0800 0330 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0331 | Allocated | TeleMagic Ltd | Freephone Numbers | 10 digit numbers | 16/02/2011 |
| 0800 0332 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0333 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0334 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 24/09/2004 |
| 0800 0336 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 01/03/2010 |
| 0800 0337 | Allocated | iNet Telecoms Ltd (Voipfone) | Freephone Numbers | 10 digit numbers | 14/08/2008 |
| 0800 0338 | Allocated | Hutchison 3G UK Ltd | Freephone Numbers | 10 digit numbers | 17/09/2007 |
| 0800 0339 | Allocated | IPV6 Limited | Freephone Numbers | 10 digit numbers | 19/01/2009 |
| 0800 034 | Allocated | Inclarity Communications Ltd | Freephone Numbers | 10 Digit Numbers | 28/03/2002 |
| 0800 035 | Allocated | Daisy Communications Ltd | Freephone Numbers | 10 Digit Numbers | 21/12/2010 |
| 0800 036 | Allocated | New Call Telecom Limited | Freephone Numbers | 10 Digit Numbers | 12/12/2012 |
| 0800 037 | Allocated | Buzz Networks Limited | Freephone Numbers | 10 Digit Numbers | 09/07/1998 |
| 0800 038 | Allocated | Daisy Communications Ltd | Freephone Numbers | 10 Digit Numbers | 21/12/2010 |
| 0800 039 | Allocated | Eircom UK Ltd | Freephone Numbers | 10 Digit Numbers | 31/01/2000 |
| 0800 0400 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 29/02/2000 |
| 0800 0401 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 29/02/2000 |
| 0800 0403 | Allocated | Edge Telecom Limited | Freephone Numbers | 10 digit numbers | 17/10/2001 |
| 0800 0404 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 29/02/2000 |
| 0800 0406 | Allocated | Sala Limited | Freephone Numbers | 10 digit numbers | 17/01/2002 |
| 0800 0407 | Allocated | Vodafone Ltd (Thus) | Freephone Numbers | 10 digit numbers | 20/03/2007 |
| 0800 0408 | Allocated | Daisy Communications Ltd | Freephone Numbers | 10 digit numbers | 21/12/2010 |
| 0800 0409 | Allocated | Sky Telecom Limited | Freephone Numbers | 10 digit numbers | 25/08/2010 |
| 0800 0410 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0411 | Allocated | Telephone Box Limited | Freephone Numbers | 10 digit numbers | 18/11/2010 |
| 0800 0413 | Allocated | Node4 Ltd. | Freephone Numbers | 10 digit numbers | 27/09/2010 |
| 0800 0415 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0416 | Allocated | Instant Communication Limited | Freephone Numbers | 10 digit numbers | 17/02/2011 |
| 0800 0417 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0418 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0419 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 042 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 Digit Numbers | 27/09/2011 |
| 0800 043 | Allocated | Telecoms World Plc | Freephone Numbers | 10 Digit Numbers | 20/03/2002 |
| 0800 0440 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0441 | Allocated | Square1 Communications Limited | Freephone Numbers | 10 digit numbers | 02/09/2014 |
| 0800 0443 | Allocated | TelXL Ltd | Freephone Numbers | 10 digit numbers | 04/12/2009 |
| 0800 0444 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0445 | Allocated | TelXL Ltd | Freephone Numbers | 10 digit numbers | 24/11/2008 |
| 0800 0447 | Allocated | Hannon Telecom Voice | Freephone Numbers | 10 digit numbers | 27/02/2014 |
| 0800 0448 | Allocated | Affiniti Integrated Solutions Ltd | Freephone Numbers | 10 digit numbers | 15/11/2012 |
| 0800 0449 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 045 | Allocated | Level 3 Communications Ltd | Freephone Numbers | 10 Digit Numbers | 19/03/1999 |
| 0800 0460 | Allocated | Third Party Formations Limited TA The Company Warehouse | Freephone Numbers | 10 digit numbers | 16/07/2012 |
| 0800 0461 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0462 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0463 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0464 | Allocated | Media Hawk Ltd | Freephone Numbers | 10 digit numbers | 26/09/2011 |
| 0800 0465 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0466 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0467 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0468 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0469 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 03/03/2010 |
| 0800 0470 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 01/07/2005 |
| 0800 0471 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0472 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0473 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0474 | Allocated | Barritel Limited | Freephone Numbers | 10 digit numbers | 09/05/2005 |
| 0800 0475 | Allocated | IOVOX Limited | Freephone Numbers | 10 digit numbers | 09/10/2013 |
| 0800 0476 | Allocated | IOVOX Limited | Freephone Numbers | 10 digit numbers | 15/10/2013 |
| 0800 0478 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0479 | Allocated | Modus Telecom Ltd | Freephone Numbers | 10 digit numbers | 24/01/2006 |
| 0800 0480 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 Digit Numbers | 05/07/2007 |
| 0800 0481 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 Digit Numbers | 05/07/2007 |
| 0800 0482 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 Digit Numbers | 05/07/2007 |
| 0800 0483 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 Digit Numbers | 05/07/2007 |
| 0800 0484 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 Digit Numbers | 05/07/2007 |
| 0800 0485 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0486 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0487 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0488 | Allocated | Voxbone SA | Freephone Numbers | 10 Digit Numbers | 28/12/2007 |
| 0800 0489 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 049 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 Digit Numbers | 30/05/2007 |
| 0800 0500 | Allocated | Icron Network Limited | Freephone Numbers | 10 digit numbers | 08/08/2006 |
| 0800 0501 | Allocated | InTechnology Plc | Freephone Numbers | 10 digit numbers | 11/06/2007 |
| 0800 0502 | Allocated | Budget Numbers Ltd | Freephone Numbers | 10 digit numbers | 26/04/2007 |
| 0800 0505 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0506 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0507 | Allocated | Eclipse Tel Limited | Freephone Numbers | 10 digit numbers | 02/11/2009 |
| 0800 0508 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0509 | Allocated | IOVOX Limited | Freephone Numbers | 10 digit numbers | 15/08/2012 |
| 0800 051 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 Digit Numbers | 03/03/2010 |
| 0800 052 | Allocated | Virgin Media Limited | Freephone Numbers | 10 Digit Numbers | 30/06/1998 |
| 0800 053 | Allocated | British Sky Broadcasting Limited | Freephone Numbers | 10 Digit Numbers | 10/12/1997 |
| 0800 0540 | Allocated | iHub UK Ltd | Freephone Numbers | 10 digit numbers | 14/03/2007 |
| 0800 0541 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0542 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 28/09/2009 |
| 0800 0543 | Allocated | We Love Communications Limited | Freephone Numbers | 10 digit numbers | 14/08/2012 |
| 0800 0544 | Allocated | Cheers International Sales Limited | Freephone Numbers | 10 digit numbers | 18/02/2008 |
| 0800 0545 | Allocated | Resilient Networks Plc | Freephone Numbers | 10 digit numbers | 22/02/2008 |
| 0800 0546 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 28/09/2009 |
| 0800 0547 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0548 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0549 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0550 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0553 | Allocated | Pulsant (Scotland) Limited | Freephone Numbers | 10 digit numbers | 20/02/2009 |
| 0800 0554 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0555 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0556 | Allocated | BT | Freephone Numbers | 10 digit numbers | 28/06/2005 |
| 0800 0557 | Allocated | Telecom2 Ltd | Freephone Numbers | 10 digit numbers | 16/09/2014 |
| 0800 056 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 Digit Numbers | 03/03/2010 |
| 0800 057 | Allocated | Cheers International Sales Limited | Freephone Numbers | 10 Digit Numbers | 18/02/2008 |
| 0800 0580 | Allocated | Concept Coders Ltd | Freephone Numbers | 10 digit numbers | 06/05/2014 |
| 0800 0581 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0582 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 digit numbers | 30/05/2006 |
| 0800 0583 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0584 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0586 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0587 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0588 | Allocated | Numbergroup Network Ltd | Freephone Numbers | 10 digit numbers | 19/10/2010 |
| 0800 0589 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0590 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0591 | Allocated | Teledesign Ltd | Freephone Numbers | 10 digit numbers | 19/09/2006 |
| 0800 0592 | Allocated | Dynamic Telecom Limited | Freephone Numbers | 10 digit numbers | 30/11/2011 |
| 0800 0593 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0594 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0595 | Allocated | Voice Simplified Limited | Freephone Numbers | 10 digit numbers | 25/06/2013 |
| 0800 0596 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0597 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0598 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0599 | Allocated | Telecoms World Plc | Freephone Numbers | 10 digit numbers | 01/05/2008 |
| 0800 0600 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0601 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0602 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0603 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0604 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0605 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0606 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0607 | Allocated | Daisy Communications Ltd | Freephone Numbers | 10 digit numbers | 21/12/2010 |
| 0800 0608 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0609 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0610 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0611 | Allocated | 24 Seven Communications Ltd | Freephone Numbers | 10 digit numbers | 27/07/2012 |
| 0800 0612 | Allocated | Edge Telecom Limited | Freephone Numbers | 10 digit numbers | 06/04/2000 |
| 0800 0613 | Allocated | IDT Global Ltd | Freephone Numbers | 10 digit numbers | 21/08/2000 |
| 0800 0614 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0616 | Allocated | Red Telecom Solutions Ltd | Freephone Numbers | 10 digit numbers | 28/08/2014 |
| 0800 0617 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0618 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0619 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0620 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0622 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0623 | Allocated | 24 Seven Communications Ltd | Freephone Numbers | 10 digit numbers | 27/07/2012 |
| 0800 0624 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0625 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0626 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0627 | Allocated | Rabco Telecommunications | Freephone Numbers | 10 digit numbers | 16/06/2010 |
| 0800 0628 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0629 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 063 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 Digit Numbers | 08/11/2000 |
| 0800 064 | Allocated | Virgin Media Limited | Freephone Numbers | 10 Digit Numbers | 23/05/2002 |
| 0800 0660 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0662 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 08/11/2002 |
| 0800 0663 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 09/06/2010 |
| 0800 0664 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 28/12/2001 |
| 0800 0665 | Allocated | BT | Freephone Numbers | 10 digit numbers | 15/06/2005 |
| 0800 0666 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0668 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0669 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 21/03/2002 |
| 0800 067 | Allocated | Stream Live Ltd | Freephone Numbers | 10 Digit Numbers | 16/09/1999 |
| 0800 068 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 Digit Numbers | 03/03/2010 |
| 0800 0691 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0692 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0693 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0694 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0695 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0696 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 11/11/2008 |
| 0800 0697 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0698 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0699 | Allocated | Telecoms World Plc | Freephone Numbers | 10 digit numbers | 07/12/2007 |
| 0800 0700 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0701 | Allocated | Opex Hosting Limited | Freephone Numbers | 10 digit numbers | 21/07/2008 |
| 0800 0704 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0705 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0706 | Allocated | Wightcable North Limited | Freephone Numbers | 10 digit numbers | 12/07/2001 |
| 0800 0707 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0709 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 071 | Allocated | Spacetel UK Ltd | Freephone Numbers | 10 Digit Numbers | 28/02/1996 |
| 0800 072 | Allocated | Vodafone Ltd (Energis) | Freephone Numbers | 10 Digit Numbers | 30/05/2006 |
| 0800 073 | Allocated | Virgin Media Wholesale Limited | Freephone Numbers | 10 Digit Numbers | 30/10/2009 |
| 0800 074 | Allocated | Vodafone Ltd (Thus) | Freephone Numbers | 10 Digit Numbers | 20/03/2007 |
| 0800 075 | Allocated | 4D Interactive Ltd | Freephone Numbers | 10 Digit Numbers | 03/06/1998 |
| 0800 076 | Allocated | Starcomm Ltd | Freephone Numbers | 10 Digit Numbers | 12/08/1999 |
| 0800 0770 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0771 | Allocated | Digitech Solutions Global Limited | Freephone Numbers | 10 digit numbers | 07/05/2008 |
| 0800 0773 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 16/10/2009 |
| 0800 0774 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 22/07/2010 |
| 0800 0775 | Allocated | Alphatalk Ltd | Freephone Numbers | 10 digit numbers | 02/07/2008 |
| 0800 0776 | Allocated | TelXL Ltd | Freephone Numbers | 10 digit numbers | 30/01/2002 |
| 0800 0777 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0778 | Allocated | BT | Freephone Numbers | 10 digit numbers | 15/06/2005 |
| 0800 0779 | Allocated | 001 International Telecom | Freephone Numbers | 10 digit numbers | 19/10/2011 |
| 0800 0780 | Allocated | Newtel (Guernsey) Limited | Freephone Numbers | 10 digit numbers | 28/04/2003 |
| 0800 0781 | Allocated | Newtel Limited | Freephone Numbers | 10 digit numbers | 16/04/2003 |
| 0800 0782 | Allocated | TRA (UK) LTD | Freephone Numbers | 10 digit numbers | 22/03/2004 |
| 0800 0783 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 22/07/2010 |
| 0800 0785 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0786 | Allocated | Numbergroup Network Ltd | Freephone Numbers | 10 digit numbers | 19/10/2010 |
| 0800 0787 | Allocated | Edge Telecom Limited | Freephone Numbers | 10 digit numbers | 26/08/2004 |
| 0800 0788 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0789 | Allocated | Callagenix Ltd | Freephone Numbers | 10 digit numbers | 24/09/2004 |
| 0800 079 | Allocated | Orange | Freephone Numbers | 10 Digit Numbers | 17/07/1997 |
| 0800 0800 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0801 | Allocated | Telinet Solutions Ltd | Freephone Numbers | 10 digit numbers | 09/05/2001 |
| 0800 0803 | Allocated | VoIP-Un Limited | Freephone Numbers | 10 digit numbers | 09/11/2007 |
| 0800 0805 | Allocated | Edge Telecom Limited | Freephone Numbers | 10 digit numbers | 20/09/2006 |
| 0800 0806 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 07/02/2008 |
| 0800 0807 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 digit numbers | 07/02/2008 |
| 0800 0808 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0809 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 081 | Allocated | Invomo Ltd | Freephone Numbers | 10 Digit Numbers | 03/08/2007 |
| 0800 082 | Allocated | Six Degrees Unified Comms Limited | Freephone Numbers | 10 Digit Numbers | 11/01/2005 |
| 0800 083 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 Digit Numbers | 09/10/2003 |
| 0800 0840 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 22/01/2003 |
| 0800 0841 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 22/07/2010 |
| 0800 0842 | Allocated | Vodafone Ltd (Thus) | Freephone Numbers | 10 digit numbers | 23/11/2006 |
| 0800 0843 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 19/04/2011 |
| 0800 0844 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 digit numbers | 13/03/2004 |
| 0800 0845 | Allocated | Barritel Limited | Freephone Numbers | 10 digit numbers | 09/05/2005 |
| 0800 0846 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 22/07/2010 |
| 0800 0847 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0848 | Allocated | Barritel Limited | Freephone Numbers | 10 digit numbers | 09/05/2005 |
| 0800 0849 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 085 | Allocated | BT | Freephone Numbers | 10 Digit Numbers | 22/03/2000 |
| 0800 0860 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0861 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 22/07/2010 |
| 0800 0862 | Allocated | Invoco Ltd | Freephone Numbers | 10 digit numbers | 17/10/2011 |
| 0800 0864 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0865 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0867 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0868 | Allocated | Voxbone SA | Freephone Numbers | 10 digit numbers | 27/09/2011 |
| 0800 0869 | Allocated | Voxbone SA | Freephone Numbers | 10 digit numbers | 06/11/2014 |
| 0800 0871 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0872 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0873 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0874 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0875 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0876 | Allocated | SwanseaIT Limited T/A Blue Telecoms | Freephone Numbers | 10 digit numbers | 30/05/2014 |
| 0800 0877 | Allocated | Vortex Telecom Ltd | Freephone Numbers | 10 digit numbers | 24/10/2008 |
| 0800 0879 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0880 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0882 | Allocated | API Telecom Limited | Freephone Numbers | 10 digit numbers | 01/09/2009 |
| 0800 0883 | Allocated | Storacall Technology Ltd (Trading As X-ON) | Freephone Numbers | 10 digit numbers | 19/11/2009 |
| 0800 0884 | Allocated | Gamma Telecom Holdings Ltd | Freephone Numbers | 10 digit numbers | 19/06/2008 |
| 0800 0885 | Allocated | Voxbone SA | Freephone Numbers | 10 digit numbers | 24/03/2011 |
| 0800 0886 | Allocated | Planet Numbers Ltd | Freephone Numbers | 10 digit numbers | 03/06/2009 |
| 0800 0887 | Allocated | TelXL Ltd | Freephone Numbers | 10 digit numbers | 30/01/2002 |
| 0800 0888 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 089 | Allocated | Invomo Ltd | Freephone Numbers | 10 Digit Numbers | 03/08/2007 |
| 0800 0900 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0901 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 digit numbers | 02/02/2007 |
| 0800 0902 | Allocated | Telefonica UK Limited | Freephone Numbers | 10 digit numbers | 08/11/2010 |
| 0800 0903 | Allocated | Magrathea Telecommunications Limited | Freephone Numbers | 10 digit numbers | 05/04/2013 |
| 0800 0904 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0905 | Allocated | Media Telecom Ltd | Freephone Numbers | 10 digit numbers | 20/01/2011 |
| 0800 0906 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0907 | Allocated | Advanced Voip Solutions Ltd | Freephone Numbers | 10 digit numbers | 21/07/2014 |
| 0800 0908 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0909 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 091 | Allocated | Syntec Limited | Freephone Numbers | 10 Digit Numbers | 02/11/1999 |
| 0800 092 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 Digit Numbers | 03/03/2010 |
| 0800 093 | Allocated | TalkTalk Communications Limited | Freephone Numbers | 10 Digit Numbers | 09/10/2003 |
| 0800 0940 | Allocated | Sigma Voice Solutions Ltd | Freephone Numbers | 10 digit numbers | 31/12/2007 |
| 0800 0941 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0942 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0943 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0945 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0946 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0947 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0948 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0949 | Allocated | X-Pilot Limited | Freephone Numbers | 10 digit numbers | 21/02/2007 |
| 0800 096 | Allocated | Vodafone Ltd (C&W) | Freephone Numbers | 10 Digit Numbers | 03/03/2010 |
| 0800 097 | Allocated | Wavecrest (UK) Ltd | Freephone Numbers | 10 Digit Numbers | 27/01/1997 |
| 0800 0980 | Allocated | 24 Seven Communications Ltd | Freephone Numbers | 10 Digit Numbers | 15/10/2009 |
| 0800 0981 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0982 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0983 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0984 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0985 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0986 | Free | - | Freephone Numbers | 10 Digit Numbers | - |
| 0800 0987 | Allocated | Nexbridge Communications Limited | Freephone Numbers | 10 Digit Numbers | 10/01/2012 |
| 0800 0988 | Allocated | Voxbone SA | Freephone Numbers | 10 Digit Numbers | 11/05/2009 |
| 0800 0990 | Allocated (Closed Range) | BT | Freephone Numbers | 9 digit numbers | 24/04/2001 |
| 0800 0991 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0993 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0994 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0995 | Free | - | Freephone Numbers | 10 digit numbers | - |
| 0800 0996 | Allocated | Telecoms World Direct Ltd | Freephone Numbers | 10 digit numbers | 12/06/2014 |
| 0800 0997 | Allocated | Twelve Telecom Limited | Freephone Numbers | 10 digit numbers | 23/04/2013 |
| 0800 0998 | Allocated | Digital Select Limited | Freephone Numbers | 10 digit numbers | 05/03/2013 |