This page contains information about which telephone companies the various 01211 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Change |
|---|---|---|---|---|
| 0121 100 | Allocated | BT | (0)+10 | 17/11/1997 |
| 0121 101 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 0121 102 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 0121 103 | Allocated | BT | (0)+10 | 23/03/2000 |
| 0121 104 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 0121 105 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 0121 106 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 01211 07 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 08 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 09 | Free for National Dialling Only | - | (0)+10 | - |
| 0121 110 | Allocated | BT | (0)+10 | 28/01/1998 |
| 0121 111 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 0121 112 | Allocated | BT | (0)+10 | 15/07/1998 |
| 01211 13 | Free for National Dialling Only | - | (0)+10 | - |
| 0121 114 | Allocated | Virgin Media Wholesale Limited | (0)+10 | 28/10/2009 |
| 01211 15 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 16 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 17 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 18 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 19 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 20 | Free for National Dialling Only | - | (0)+10 | - |
| 0121 121 | Allocated | COLT Technology Services | (0)+10 | 29/08/2001 |
| 01211 22 | Free for National Dialling Only | - | (0)+10 | - |
| 0121 123 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 01211 24 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 25 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 26 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 27 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 28 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 29 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 30 | Free for National Dialling Only | - | (0)+10 | - |
| 0121 131 | Allocated | Oxygen8 Communications UK Limited | (0)+10 | 24/01/2008 |
| 0121 132 | Allocated | Oxygen8 Communications UK Limited | (0)+10 | 24/01/2008 |
| 01211 33 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 34 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 35 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 36 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 37 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 38 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 39 | Free for National Dialling Only | - | (0)+10 | - |
| 0121 140 | Allocated | COLT Technology Services | (0)+10 | 10/12/2008 |
| 01211 41 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 42 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 43 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 44 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 45 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 46 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 47 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 48 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 49 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 50 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 51 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 52 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 53 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 54 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 55 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 56 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 57 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 58 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 59 | Free for National Dialling Only | - | (0)+10 | - |
| 0121 160 | Allocated | Vodafone Ltd (C&W) | (0)+10 | 04/02/2010 |
| 01211 61 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 62 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 63 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 64 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 65 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 66 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 67 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 68 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 69 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 70 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 71 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 72 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 73 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 74 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 75 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 76 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 77 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 78 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 79 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 80 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 81 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 82 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 83 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 84 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 85 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 86 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 87 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 88 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 89 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 90 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 91 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 92 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 93 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 94 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 95 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 96 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 97 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 98 | Free for National Dialling Only | - | (0)+10 | - |
| 01211 99 | Free for National Dialling Only | - | (0)+10 | - |