This page contains information about which telephone companies the various 01144 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 0114 400 | Allocated | Buzz Networks Limited | 3+7 | F-Digit '0' | 24/02/2010 |
| 0114 401 | Allocated | ICC Networks Ltd | 3+7 | F-Digit '0' | 10/03/2010 |
| 0114 402 | Allocated | Atomstream Limited | 3+7 | F-Digit '2' | 25/02/2010 |
| 0114 403 | Allocated | Numbergroup Network Ltd | 3+7 | F-Digit '1' | 20/04/2010 |
| 0114 404 | Allocated | Invosys Limited | 3+7 | F-Digit '0' | 22/03/2010 |
| 0114 405 | Allocated | Liquid 11 Limited | 3+7 | F-Digit '5' | 26/04/2010 |
| 0114 406 | Allocated | Digitech Solutions Global Limited | 3+7 | F-Digit '3' | 21/04/2010 |
| 0114 407 | Allocated | Telappliant Ltd | 3+7 | F-Digit '2' | 20/05/2010 |
| 0114 408 | Allocated | Windsor Telecom Plc | 3+7 | F-Digit '1' | 10/06/2010 |
| 0114 409 | Allocated | Media Telecom Ltd | 3+7 | F-Digit '0' | 05/08/2010 |
| 0114 410 | Allocated | Magnetic North Software Limited | 3+7 | F-Digit '0' | 02/08/2010 |
| 0114 411 | Allocated | TeleSurf Limited | 3+7 | F-Digit '0' | 11/06/2010 |
| 0114 412 | Allocated | Odyssey Systems Ltd | 3+7 | F-Digit '2' | 14/09/2010 |
| 0114 413 | Allocated | Test2date B.V | 3+7 | F-Digit '0' | 11/08/2010 |
| 0114 414 | Allocated | Suretec Systems Ltd | 3+7 | F-Digit '0' | 29/04/2010 |
| 0114 415 | Allocated | Telephone Box Limited | 3+7 | F-Digit '1' | 04/11/2010 |
| 0114 416 | Allocated | Phone Co-Op Numbering Limited | 3+7 | F-Digit '0' | 02/12/2010 |
| 0114 417 | Allocated | Firstsound Ltd | 3+7 | F-Digit '0' | 11/04/2011 |
| 0114 418 | Allocated | British Sky Broadcasting Limited | 3+7 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 05/07/2011 |
| 0114 419 | Allocated | Invoco Ltd | 3+7 | F-Digit '0' | 14/07/2011 |
| 0114 420 | Allocated | Group 3 Technology Limited | 3+7 | F-Digit '2' | 11/04/2011 |
| 0114 421 | Allocated | Numbers Plus Ltd | 3+7 | F-Digit '0' | 20/07/2011 |
| 0114 422 | Allocated | Cheers International Sales Limited | 3+7 | F-Digit '0' | 14/12/2010 |
| 0114 423 | Allocated | TeleMagic Ltd | 3+7 | F-Digit '3' | 15/02/2011 |
| 0114 424 | Allocated | Relax Telecom Limited | 3+7 | - | 16/12/2010 |
| 0114 425 | Allocated | Safety In Numbers.co.uk Limited | 3+7 | F-Digit '5' | 23/05/2011 |
| 0114 426 | Allocated | Node4 Ltd. | 3+7 | F-Digits '2' | 28/07/2011 |
| 0114 427 | Allocated | Media Hawk Ltd | 3+7 | F-Digit '0' | 26/09/2011 |
| 0114 428 | Allocated | Lanonyx Telecom Limited | 3+7 | F-Digit '0' | 22/08/2011 |
| 0114 429 | Allocated | Internexus Networks Limited | 3+7 | F-Digit '1' | 18/11/2011 |
| 0114 430 | Allocated | Orbtalk Limited | 3+7 | F-Digit '8' | 14/06/2011 |
| 0114 431 | Allocated | Aloha Telecommunications Limited | 3+7 | F-Digit '1' | 16/08/2011 |
| 0114 432 | Allocated | Tesla Dynamic Ltd | 3+7 | F-Digit '2,8' | 17/06/2011 |
| 0114 433 | Allocated | IP Base Ltd | 3+7 | F-Digit '3' | 21/01/2011 |
| 0114 434 | Allocated | Sound Advertising Ltd | 3+7 | F-Digit '0' | 09/03/2011 |
| 0114 435 | Allocated | Minotaur Telecom Limited | 3+7 | F-Digit '4' | 11/03/2011 |
| 0114 436 | Allocated | Synety Limited | 3+7 | F-Digit '6' | 21/06/2011 |
| 0114 437 | Allocated | Kalnet4u Ltd | 3+7 | F-Digit '2' | 01/12/2011 |
| 0114 438 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 31/10/2011 |
| 0114 439 | Allocated | Barritec Limited | 3+7 | F-Digit '6' | 20/09/2011 |
| 0114 440 | Allocated | Nexbridge Communications Limited | 3+7 | F-Digit '2' | 09/01/2012 |
| 0114 441 | Allocated | Outsourcery Hosting Ltd | 3+7 | - | 23/02/2012 |
| 0114 442 | Free | - | 3+7 | - | - |
| 0114 443 | Allocated | Bicom Systems EURL | 3+7 | F-Digit '2' | 02/03/2012 |
| 0114 444 | Allocated | Tuxtel Ltd | 3+7 | F-Digit '4,5,6' | 28/11/2011 |
| 0114 445 | Allocated | Broadcast Telecom Ltd | 3+7 | F-Digit '0' | 08/02/2012 |
| 0114 446 | Allocated | IOVOX Limited | 3+7 | F-Digit '0' | 05/03/2012 |
| 0114 447 | Allocated | API Telecom Limited | 3+7 | F-Digit '2' | 26/03/2012 |
| 0114 448 | Allocated | We Love Communications Limited | 3+7 | F-Digit '0' | 07/08/2012 |
| 0114 449 | Allocated | British Sky Broadcasting Limited | 3+7 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 28/09/2012 |
| 0114 450 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 02/10/2012 |
| 0114 451 | Allocated | Orange Business Holdings UK Limited | 3+7 | F-Digit '2' | 16/10/2012 |
| 0114 452 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 16/10/2012 |
| 0114 453 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 18/02/2013 |
| 0114 454 | Allocated | TelecomEight Network Ltd | 3+7 | F-Digit '1' | 18/03/2013 |
| 0114 455 | Allocated | Content Guru Ltd | 3+7 | F-Digit '2' | 12/10/2012 |
| 0114 456 | Allocated | Advanced Voip Solutions Ltd | 3+7 | F-Digit '0' | 10/06/2013 |
| 0114 457 | Allocated | British Sky Broadcasting Limited | 3+7 | F-Digit '0' | 15/01/2014 |
| 0114 458 | Allocated | IP Phone Solutions Ltd | 3+7 | F-Digit '0' | 18/10/2013 |
| 0114 459 | Allocated | Voxclever Limited | 3+7 | F-Digit '0' | 04/02/2013 |
| 0114 460 | Allocated | iHub UK Ltd | 3+7 | - | 14/08/2013 |
| 0114 461 | Allocated | Hyperoptic Limited | 3+7 | - | 02/05/2014 |
| 0114 462 | Allocated | Clix Ltd | 3+7 | F-Digit '0' | 17/10/2014 |
| 0114 463 | Allocated | DIDWW Ireland Limited | 3+7 | F-Digit '1' | 18/11/2014 |
| 0114 464 | Free | - | 3+7 | - | - |
| 0114 465 | Allocated | Hannon Telecom Voice | 3+7 | F-Digit '6' | 22/01/2014 |
| 0114 466 | Allocated | TelecomIQ Limited | 3+7 | F-Digit '0' | 20/08/2013 |
| 0114 467 | Allocated | Radius Communications Limited | 3+7 | F-Digit '0' | 07/01/2014 |
| 0114 468 | Allocated | Advanced Voip Solutions Ltd | 3+7 | F-Digit '0' | 22/07/2014 |
| 0114 469 | Allocated | XoverX Ltd | 3+7 | F-Digit '0' | 25/04/2013 |
| 0114 470 | Protected | - | 3+7 | - | - |
| 0114 471 | Protected | - | 3+7 | - | - |
| 0114 472 | Protected | - | 3+7 | - | - |
| 0114 473 | Protected | - | 3+7 | - | - |
| 0114 474 | Protected | - | 3+7 | - | - |
| 0114 475 | Protected | - | 3+7 | - | - |
| 0114 476 | Protected | - | 3+7 | - | - |
| 0114 477 | Protected | - | 3+7 | - | - |
| 0114 478 | Protected | - | 3+7 | - | - |
| 0114 479 | Protected | - | 3+7 | - | - |
| 0114 480 | Protected | - | 3+7 | - | - |
| 0114 481 | Protected | - | 3+7 | - | - |
| 0114 482 | Protected | - | 3+7 | - | - |
| 0114 483 | Protected | - | 3+7 | - | - |
| 0114 484 | Protected | - | 3+7 | - | - |
| 0114 485 | Protected | - | 3+7 | - | - |
| 0114 486 | Protected | - | 3+7 | - | - |
| 0114 487 | Protected | - | 3+7 | - | - |
| 0114 488 | Protected | - | 3+7 | - | - |
| 0114 489 | Protected | - | 3+7 | - | - |
| 0114 490 | Protected | - | 3+7 | - | - |
| 0114 491 | Protected | - | 3+7 | - | - |
| 0114 492 | Protected | - | 3+7 | - | - |
| 0114 493 | Protected | - | 3+7 | - | - |
| 0114 494 | Protected | - | 3+7 | - | - |
| 0114 495 | Protected | - | 3+7 | - | - |
| 0114 496 | Protected | - | 3+7 | - | - |
| 0114 497 | Protected | - | 3+7 | - | - |
| 0114 498 | Protected | - | 3+7 | - | - |
| 0114 499 | Protected | - | 3+7 | - | - |