This page contains information about which telephone companies the various 01312 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 0131 200 | Allocated | Vodafone Ltd (C&W) | 3+7 | - | 04/02/2010 |
| 0131 201 | Allocated | Inclarity Communications Ltd | 3+7 | - | 27/01/2003 |
| 0131 202 | Allocated | Gamma Telecom Holdings Ltd | 3+7 | - | 30/01/2004 |
| 0131 203 | Allocated | Vodafone Ltd (C&W) | 3+7 | - | 04/02/2010 |
| 0131 204 | Allocated | TG Support Limited | 3+7 | - | 05/07/2006 |
| 0131 205 | Allocated | TalkTalk Communications Limited | 3+7 | - | 19/04/2004 |
| 0131 206 | Allocated | Danemere Street Creative | 3+7 | - | 02/11/2004 |
| 0131 207 | Allocated | FleXtel Limited | 3+7 | - | 22/03/2005 |
| 0131 208 | Allocated | Vodafone Ltd (C&W) | 3+7 | - | 22/02/2010 |
| 0131 209 | Allocated | Spitfire Network Services Ltd | 3+7 | F-Digit '7' | 27/06/2006 |
| 0131 210 | Allocated | Buzz Networks Limited | 3+7 | F-Digit '0' | 01/03/2010 |
| 0131 211 | Allocated | ICC Networks Ltd | 3+7 | F-Digit '0' | 10/03/2010 |
| 0131 212 | Allocated | Liquid 11 Limited | 3+7 | F-Digit '5' | 26/04/2010 |
| 0131 213 | Allocated | Digitech Solutions Global Limited | 3+7 | F-Digit '3' | 28/04/2010 |
| 0131 214 | Allocated | Numbergroup Network Ltd | 3+7 | F-Digit '1' | 07/06/2010 |
| 0131 215 | Allocated | Windsor Telecom Plc | 3+7 | F-Digit '1' | 10/06/2010 |
| 0131 216 | Allocated | NG Network Consultancy Ltd | 3+7 | F-Digit '1' | 21/06/2010 |
| 0131 217 | Allocated | TeleSurf Limited | 3+7 | F-Digit '0' | 11/06/2010 |
| 0131 218 | Allocated | Core Telecom Limited | 3+7 | F-Digit '0' | 05/08/2010 |
| 0131 219 | Allocated | Media Telecom Ltd | 3+7 | F-Digit '0' | 05/08/2010 |
| 0131 220 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 221 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 222 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 223 | Allocated | Swiftnet Ltd | 3+7 | - | 07/07/2004 |
| 0131 224 | Allocated | Edge Telecom Limited | 3+7 | - | 07/01/2005 |
| 0131 225 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 226 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 227 | Allocated | Internexus Networks Limited | 3+7 | F-Digit '1' | 21/11/2011 |
| 0131 228 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 229 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 230 | Allocated | VoIP-Un Limited | 3+7 | F-Digit '0' | 29/10/2007 |
| 0131 231 | Allocated | Telecom2 Ltd | 3+7 | F-Digit '6' | 11/09/2009 |
| 0131 232 | Allocated | QX Telecom Ltd | 3+7 | F-Digit '3' | 17/10/2007 |
| 0131 233 | Allocated | Cheers International Sales Limited | 3+7 | F-Digit '0' | 14/12/2010 |
| 0131 234 | Allocated | Alphatalk Ltd | 3+7 | - | 02/11/2011 |
| 0131 235 | Allocated | Kalnet4u Ltd | 3+7 | F-Digit '2' | 01/12/2011 |
| 0131 236 | Allocated | Nexbridge Communications Limited | 3+7 | F-Digit '2' | 10/01/2012 |
| 0131 237 | Allocated | British Sky Broadcasting Limited | 3+7 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 07/02/2012 |
| 0131 238 | Allocated | Broadcast Telecom Ltd | 3+7 | F-Digit '0' | 10/02/2012 |
| 0131 239 | Allocated | Outsourcery Hosting Ltd | 3+7 | - | 21/02/2012 |
| 0131 240 | Allocated | BT | 3+7 | - | 15/02/1996 |
| 0131 241 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 01/02/2002 |
| 0131 242 | Allocated | Vodafone Ltd (C&W) | 3+7 | - | 04/02/2010 |
| 0131 243 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 244 | Allocated | Vodafone Ltd (C&W) | 3+7 | - | 04/02/2010 |
| 0131 245 | Allocated | BT | 3+7 | - | 22/09/2003 |
| 0131 246 | Allocated | BT | 3+7 | - | 06/06/2002 |
| 0131 247 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 248 | Allocated | Vodafone Ltd (C&W) | 3+7 | - | 04/02/2010 |
| 0131 249 | Allocated | BT | 3+7 | - | 12/10/2004 |
| 0131 250 | Allocated | Vodafone Uk Ltd | 3+7 | - | 24/03/2005 |
| 01312 51 | Protected | - | 3+7 | - | - |
| 0131 252 | Allocated | Served Up Limited. | 3+7 | - | 03/06/2008 |
| 0131 253 | Allocated | Barritel Limited | 3+7 | F-Digit '2' | 14/02/2006 |
| 0131 254 | Allocated | Net Solutions Europe Limited | 3+7 | F-Digit '4' | 26/01/2006 |
| 0131 255 | Allocated | InTechnology Plc | 3+7 | - | 07/06/2007 |
| 0131 256 | Allocated | Griffin Information Systems Ltd | 3+7 | - | 08/06/2005 |
| 0131 257 | Allocated | Six Degrees Unified Comms Limited | 3+7 | F-Digit '4' | 10/04/2006 |
| 0131 258 | Allocated | Virgin Media Wholesale Limited | 3+7 | - | 29/10/2009 |
| 0131 259 | Allocated | Virgin Media Limited | 3+7 | F-Digit '4,5' | 09/06/2006 |
| 0131 260 | Allocated | BT | 3+7 | - | 15/07/1994 |
| 0131 261 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 28/02/2012 |
| 0131 262 | Allocated | Bicom Systems EURL | 3+7 | F-Digit '2' | 01/03/2012 |
| 0131 263 | Allocated | API Telecom Limited | 3+7 | F-Digit '2' | 26/03/2012 |
| 0131 264 | Allocated | Synety Limited | 3+7 | F-Digit '6' | 30/04/2012 |
| 0131 265 | Allocated | Content Guru Ltd | 3+7 | F-Digit '2' | 22/05/2012 |
| 0131 266 | Allocated | Resilient Networks Plc | 3+7 | - | 21/06/2012 |
| 0131 267 | Allocated | Resilient Networks Plc | 3+7 | - | 21/06/2012 |
| 0131 268 | Allocated | IOVOX Limited | 3+7 | - | 09/07/2012 |
| 0131 269 | Allocated | We Love Communications Limited | 3+7 | F-Digit '0' | 08/08/2012 |
| 0131 270 | Allocated | Vodafone Ltd (Thus) | 3+7 | - | 05/01/1996 |
| 0131 271 | Allocated | Vodafone Ltd (Thus) | 3+7 | - | 05/01/1996 |
| 0131 272 | Allocated | Vodafone Ltd (Thus) | 3+7 | - | 05/01/1996 |
| 0131 273 | Allocated | Vodafone Ltd (Thus) | 3+7 | - | 05/01/1996 |
| 0131 274 | Allocated | Vodafone Ltd (Thus) | 3+7 | - | 11/10/2001 |
| 0131 275 | Allocated | Vodafone Ltd (Thus) | 3+7 | - | 11/10/2001 |
| 0131 276 | Allocated | Syntec Limited | 3+7 | - | 18/10/2004 |
| 0131 277 | Allocated | Connect Telecom UK Ltd | 3+7 | - | 18/04/2005 |
| 0131 278 | Allocated | Vodafone Ltd (C&W) | 3+7 | - | 04/02/2010 |
| 0131 279 | Allocated | Danemere Street Creative | 3+7 | F-Digit '2' | 28/06/2006 |
| 0131 280 | Allocated | Keycom plc | 3+7 | F-Digit '0,1,5,6' | 21/08/2012 |
| 0131 281 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 19/02/2013 |
| 0131 282 | Allocated | Resilient Networks Plc | 3+7 | F-Digit '1,9' | 19/09/2012 |
| 0131 283 | Allocated | British Sky Broadcasting Limited | 3+7 | F-Digit '0' | 20/06/2013 |
| 0131 284 | Allocated | Hannon Telecom Voice | 3+7 | F-Digit '8' | 22/01/2014 |
| 0131 285 | Allocated | BT | 3+7 | F-Digits '01,2,3,4,5,6,7,8,9' | 12/03/2014 |
| 0131 286 | Allocated | BT | 3+7 | F-Digits '0,1,2,3,4,5,6,7,8,9' | 31/03/2014 |
| 01312 87 | Free | - | 3+7 | - | - |
| 0131 288 | Allocated | TelecomEight Network Ltd | 3+7 | F-Digit '1' | 28/03/2013 |
| 01312 89 | Free | - | 3+7 | - | - |
| 0131 290 | Allocated | Fluency Communications Ltd | 3+7 | F-Digit '2' | 07/10/2013 |
| 0131 291 | Allocated | Radius Communications Limited | 3+7 | F-Digit '0' | 20/02/2014 |
| 0131 292 | Allocated | iHub UK Ltd | 3+7 | F-Digit '1' | 14/08/2013 |
| 01312 93 | Free | - | 3+7 | - | - |
| 01312 94 | Free | - | 3+7 | - | - |
| 0131 295 | Allocated | Sipcentric Ltd | 3+7 | F-Digit '0' | 30/06/2014 |
| 0131 296 | Allocated | Advanced Voip Solutions Ltd | 3+7 | F-Digit '0' | 22/07/2014 |
| 0131 297 | Allocated | Gamma Telecom Holdings Ltd | 3+7 | F-Digit '7' | 04/06/2014 |
| 0131 298 | Allocated | Clix Ltd | 3+7 | F-Digit '0' | 29/05/2014 |
| 0131 299 | Allocated | XoverX Ltd | 3+7 | F-Digit '0' | 01/05/2013 |