This page contains information about which telephone companies the various 01511 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Change |
|---|---|---|---|---|
| 01511 00 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 01 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 02 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 03 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 04 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 05 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 06 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 07 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 08 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 09 | Free for National Dialling Only | - | (0)+10 | - |
| 0151 110 | Allocated | BT | (0)+10 | 25/05/1999 |
| 01511 11 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 12 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 13 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 14 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 15 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 16 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 17 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 18 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 19 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 20 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 21 | Free for National Dialling Only | - | (0)+10 | - |
| 0151 122 | Allocated | Affiniti Integrated Solutions Ltd | (0)+10 | 27/09/2002 |
| 01511 23 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 24 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 25 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 26 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 27 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 28 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 29 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 30 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 31 | Free for National Dialling Only | - | (0)+10 | - |
| 0151 132 | Allocated | BT | (0)+10 | 29/12/2004 |
| 01511 33 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 34 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 35 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 36 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 37 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 38 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 39 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 40 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 41 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 42 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 43 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 44 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 45 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 46 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 47 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 48 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 49 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 50 | Free for National Dialling Only | - | (0)+10 | - |
| 0151 151 | Allocated | Digitech Solutions Global Limited | (0)+10 | 07/09/2010 |
| 01511 52 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 53 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 54 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 55 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 56 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 57 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 58 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 59 | Free for National Dialling Only | - | (0)+10 | - |
| 0151 160 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 15/02/2010 |
| 01511 61 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 62 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 63 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 64 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 65 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 66 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 67 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 68 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 69 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 70 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 71 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 72 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 73 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 74 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 75 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 76 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 77 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 78 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 79 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 80 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 81 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 82 | Free for National Dialling Only | - | (0)+10 | - |
| 0151 183 | Allocated | Resilient Networks Plc | (0)+10 | 14/01/2005 |
| 0151 184 | Allocated | Resilient Networks Plc | (0)+10 | 14/01/2005 |
| 0151 185 | Allocated | Resilient Networks Plc | (0)+10 | 14/01/2005 |
| 0151 186 | Allocated | BT | (0)+10 | 14/01/2005 |
| 0151 187 | Allocated | BT | (0)+10 | 14/01/2005 |
| 01511 88 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 89 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 90 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 91 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 92 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 93 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 94 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 95 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 96 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 97 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 98 | Free for National Dialling Only | - | (0)+10 | - |
| 01511 99 | Free for National Dialling Only | - | (0)+10 | - |