This page contains information about which telephone companies the various 01277 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 01277 00 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 01 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 02 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 03 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 04 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 05 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 06 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 07 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 08 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 09 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 10 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 11 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 12 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 13 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 14 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 15 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 16 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 17 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 18 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 19 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01277 20 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 21 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 22 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 23 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 24 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 25 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 26 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 27 | Allocated | BT | 4+6 | - | 10/03/1995 |
| 01277 28 | Allocated | Gamma Telecom Holdings Ltd | 4+6 | - | 05/04/2004 |
| 01277 290 | Allocated | Linear Telecoms Limited | 4+6 | - | 07/10/2010 |
| 01277 291 | Allocated | Internexus Networks Limited | 4+6 | - | 21/11/2011 |
| 01277 292 | Allocated | Broadcast Telecom Ltd | 4+6 | - | 10/02/2012 |
| 01277 293 | Allocated | Bicom Systems EURL | 4+6 | - | 01/03/2012 |
| 01277 294 | Allocated | API Telecom Limited | 4+6 | - | 26/03/2012 |
| 01277 295 | Allocated | TalkTalk Communications Limited | 4+6 | - | 04/04/2012 |
| 01277 296 | Allocated | ICC Networks Ltd | 4+6 | - | 13/04/2012 |
| 01277 297 | Allocated | Ziron (UK) Ltd | 4+6 | - | 30/07/2012 |
| 01277 298 | Allocated | IOVOX Limited | 4+6 | - | 02/07/2012 |
| 01277 299 | Allocated | We Love Communications Limited | 4+6 | - | 07/08/2012 |
| 01277 30 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 31 | Allocated | BT | 4+6 | - | 02/03/1999 |
| 01277 32 | Allocated | BT | 4+6 | - | 27/08/1998 |
| 01277 330 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 331 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 332 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 333 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 334 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 335 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 336 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 337 | Protected | - | 4+6 | - | - |
| 01277 338 | Protected | - | 4+6 | - | - |
| 01277 339 | Allocated | Virgin Media Limited | 4+6 | - | 28/06/2012 |
| 01277 34 | Allocated | Danemere Street Creative | 4+6 | - | 28/10/2004 |
| 01277 35 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 36 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 37 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 38 | Allocated | TG Support Limited | 4+6 | - | 10/07/2006 |
| 01277 39 | Allocated | Easynet Enterprise Services Limited | 4+6 | - | 26/04/2005 |
| 01277 40 | Allocated | Simwood eSMS Limited | 4+6 | F-Digit '2' | 19/07/2006 |
| 01277 41 | Allocated | British Sky Broadcasting Limited | 4+6 | F-Digit '0,1,2,3' | 19/05/2006 |
| 01277 42 | Allocated | Telephony Services Limited | 4+6 | F-Digit '4' | 21/06/2006 |
| 01277 430 | Protected | - | 4+6 | - | - |
| 01277 431 | Protected | - | 4+6 | - | - |
| 01277 432 | Protected | - | 4+6 | - | - |
| 01277 433 | Protected | - | 4+6 | - | - |
| 01277 434 | Protected | - | 4+6 | - | - |
| 01277 435 | Protected | - | 4+6 | - | - |
| 01277 436 | Protected | - | 4+6 | - | - |
| 01277 437 | Protected | - | 4+6 | - | - |
| 01277 438 | Protected | - | 4+6 | - | - |
| 01277 439 | Protected | - | 4+6 | - | - |
| 01277 440 | Protected | - | 4+6 | - | - |
| 01277 441 | Protected | - | 4+6 | - | - |
| 01277 442 | Protected | - | 4+6 | - | - |
| 01277 443 | Protected | - | 4+6 | - | - |
| 01277 444 | Protected | - | 4+6 | - | - |
| 01277 445 | Protected | - | 4+6 | - | - |
| 01277 446 | Protected | - | 4+6 | - | - |
| 01277 447 | Protected | - | 4+6 | - | - |
| 01277 448 | Protected | - | 4+6 | - | - |
| 01277 449 | Protected | - | 4+6 | - | - |
| 01277 45 | Allocated | TelNG Limited | 4+6 | F-Digit '2' | 26/02/2007 |
| 01277 46 | Allocated | Callagenix Ltd | 4+6 | F-Digit '0' | 20/10/2006 |
| 01277 47 | Allocated | Danemere Street Creative | 4+6 | F-Digit '2' | 30/06/2006 |
| 01277 480 | Protected | - | 4+6 | - | - |
| 01277 481 | Protected | - | 4+6 | - | - |
| 01277 482 | Protected | - | 4+6 | - | - |
| 01277 483 | Protected | - | 4+6 | - | - |
| 01277 484 | Protected | - | 4+6 | - | - |
| 01277 485 | Protected | - | 4+6 | - | - |
| 01277 486 | Protected | - | 4+6 | - | - |
| 01277 487 | Allocated | Spitfire Network Services Ltd | 4+6 | - | 09/11/2011 |
| 01277 488 | Protected | - | 4+6 | - | - |
| 01277 489 | Protected | - | 4+6 | - | - |
| 01277 490 | Allocated | Resilient Networks Plc | 4+6 | - | 01/12/2006 |
| 01277 491 | Allocated | Resilient Networks Plc | 4+6 | - | 01/12/2006 |
| 01277 492 | Protected | - | 4+6 | - | - |
| 01277 493 | Protected | - | 4+6 | - | - |
| 01277 494 | Protected | - | 4+6 | - | - |
| 01277 495 | Protected | - | 4+6 | - | - |
| 01277 496 | Protected | - | 4+6 | - | - |
| 01277 497 | Protected | - | 4+6 | - | - |
| 01277 498 | Protected | - | 4+6 | - | - |
| 01277 499 | Allocated | Resilient Networks Plc | 4+6 | - | 01/12/2006 |
| 01277 500 | Allocated | TalkTalk Communications Limited | 4+6 | - | 16/05/2007 |
| 01277 501 | Allocated | Teledesign Ltd | 4+6 | - | 21/05/2007 |
| 01277 502 | Allocated | Localphone Limited | 4+6 | - | 22/05/2007 |
| 01277 503 | Allocated | Frontier Systems Ltd | 4+6 | - | 24/07/2007 |
| 01277 504 | Allocated | Orange Business Holdings UK Limited | 4+6 | - | 05/09/2007 |
| 01277 505 | Allocated | (aq) Limited trading as aql | 4+6 | - | 19/10/2011 |
| 01277 506 | Allocated | VoIP-Un Limited | 4+6 | - | 26/10/2007 |
| 01277 507 | Allocated | Timico Limited | 4+6 | - | 29/11/2007 |
| 01277 508 | Allocated | Affiniti Integrated Solutions Ltd | 4+6 | - | 12/11/2007 |
| 01277 509 | Allocated | Voxbone SA | 4+6 | - | 17/12/2007 |
| 01277 510 | Allocated | Telecom2 Ltd | 4+6 | - | 10/09/2009 |
| 01277 511 | Allocated | Net-Work Internet Ltd | 4+6 | - | 28/01/2008 |
| 01277 512 | Allocated | InTechnology Plc | 4+6 | - | 07/03/2008 |
| 01277 513 | Allocated | Nodemax Limited | 4+6 | - | 08/07/2008 |
| 01277 514 | Allocated | TalkTalk Communications Limited | 4+6 | - | 25/07/2008 |
| 01277 515 | Allocated | Solutios Limited | 4+6 | - | 03/09/2008 |
| 01277 516 | Allocated | 3C Limited | 4+6 | - | 10/09/2008 |
| 01277 517 | Allocated | Barritel Limited | 4+6 | - | 08/10/2008 |
| 01277 518 | Allocated | Barritec Limited | 4+6 | - | 12/11/2008 |
| 01277 519 | Allocated | IPV6 Limited | 4+6 | - | 29/01/2009 |
| 01277 520 | Allocated | Net Solutions Europe Limited | 4+6 | - | 22/01/2009 |
| 01277 521 | Allocated | Mars Communications Limited | 4+6 | - | 03/02/2009 |
| 01277 522 | Allocated | Premium O Limited | 4+6 | - | 08/01/2009 |
| 01277 523 | Allocated | iNet Telecoms Ltd (Voipfone) | 4+6 | - | 27/02/2009 |
| 01277 524 | Allocated | Andrews & Arnold (Numbers) Ltd | 4+6 | - | 27/02/2009 |
| 01277 525 | Allocated | TalkTalk Communications Limited | 4+6 | - | 03/03/2009 |
| 01277 526 | Allocated | Telecoms World Plc | 4+6 | - | 12/03/2009 |
| 01277 527 | Allocated | Globecom International Limited | 4+6 | - | 24/12/2010 |
| 01277 528 | Allocated | X-Pilot Limited | 4+6 | - | 16/06/2009 |
| 01277 529 | Allocated | Mundio Mobile Limited | 4+6 | - | 06/07/2009 |
| 01277 530 | Allocated | CFL Communications Limited | 4+6 | - | 08/07/2009 |
| 01277 531 | Allocated | TeleWare PLC | 4+6 | - | 20/08/2009 |
| 01277 532 | Free | - | 4+6 | - | - |
| 01277 533 | Allocated | Known Communications Limited | 4+6 | - | 15/09/2009 |
| 01277 534 | Allocated | Nexus Telecommunications Limited | 4+6 | - | 25/09/2009 |
| 01277 535 | Allocated | Invomo Ltd | 4+6 | - | 04/12/2009 |
| 01277 536 | Allocated | Wightfibre Limited | 4+6 | - | 07/01/2010 |
| 01277 537 | Allocated | i-Net Communications Group Plc | 4+6 | - | 15/01/2010 |
| 01277 538 | Allocated | Orbis Telecom | 4+6 | - | 01/02/2010 |
| 01277 539 | Allocated | Atomstream Limited | 4+6 | - | 25/02/2010 |
| 01277 540 | Allocated | E164 Ltd | 4+6 | - | 15/04/2010 |
| 01277 541 | Allocated | Digitech Solutions Global Limited | 4+6 | - | 28/04/2010 |
| 01277 542 | Allocated | Calltracks Limited | 4+6 | - | 08/07/2010 |
| 01277 543 | Allocated | Core Telecom Limited | 4+6 | - | 06/08/2010 |
| 01277 544 | Allocated | Suretec Systems Ltd | 4+6 | - | 04/05/2010 |
| 01277 545 | Allocated | Windsor Telecom Plc | 4+6 | - | 20/07/2010 |
| 01277 546 | Allocated | VoiceHost Limited | 4+6 | - | 27/08/2010 |
| 01277 547 | Allocated | Cheers International Sales Limited | 4+6 | - | 13/12/2010 |
| 01277 548 | Allocated | Numbergroup Network Ltd | 4+6 | - | 03/12/2010 |
| 01277 549 | Allocated | Buzz Networks Limited | 4+6 | - | 01/03/2010 |
| 01277 550 | Allocated | Phone Co-Op Numbering Limited | 4+6 | - | 16/12/2010 |
| 01277 551 | Allocated | Invosys Limited | 4+6 | - | 18/01/2011 |
| 01277 552 | Allocated | Orbtalk Limited | 4+6 | - | 13/09/2011 |
| 01277 553 | Allocated | Hello Telecom (UK) PLC | 4+6 | - | 01/06/2011 |
| 01277 554 | Allocated | Invoco Ltd | 4+6 | - | 20/09/2011 |
| 01277 555 | Allocated | IP Base Ltd | 4+6 | - | 21/01/2011 |
| 01277 556 | Allocated | Tesla Dynamic Ltd | 4+6 | - | 07/07/2011 |
| 01277 557 | Allocated | Nexbridge Communications Limited | 4+6 | - | 14/03/2011 |
| 01277 558 | Allocated | Barritec Limited | 4+6 | - | 20/09/2011 |
| 01277 559 | Allocated | Minotaur Telecom Limited | 4+6 | - | 27/10/2011 |
| 01277 560 | Allocated | TalkTalk Communications Limited | 4+6 | - | 19/02/2013 |
| 01277 561 | Allocated | Media Hawk Ltd | 4+6 | - | 10/04/2013 |
| 01277 562 | Allocated | Kalnet4u Ltd | 4+6 | - | 10/05/2013 |
| 01277 563 | Allocated | BT | 4+6 | - | 07/11/2013 |
| 01277 564 | Allocated | Liquid 11 Limited | 4+6 | - | 13/06/2013 |
| 01277 565 | Allocated | iHub UK Ltd | 4+6 | - | 15/08/2013 |
| 01277 566 | Allocated | Magnetic North Software Limited | 4+6 | - | 19/02/2013 |
| 01277 567 | Allocated | Content Guru Ltd | 4+6 | - | 12/10/2012 |
| 01277 568 | Allocated | COLT Technology Services | 4+6 | - | 12/09/2013 |
| 01277 569 | Allocated | XoverX Ltd | 4+6 | - | 30/04/2013 |
| 01277 570 | Free | - | 4+6 | - | - |
| 01277 571 | Free | - | 4+6 | - | - |
| 01277 572 | Free | - | 4+6 | - | - |
| 01277 573 | Free | - | 4+6 | - | - |
| 01277 574 | Free | - | 4+6 | - | - |
| 01277 575 | Allocated | Affiniti Integrated Solutions Ltd | 4+6 | - | 04/02/2014 |
| 01277 576 | Free | - | 4+6 | - | - |
| 01277 577 | Allocated | Radius Communications Limited | 4+6 | - | 07/01/2014 |
| 01277 578 | Free | - | 4+6 | - | - |
| 01277 579 | Free | - | 4+6 | - | - |
| 01277 580 | Protected | - | 4+6 | - | - |
| 01277 581 | Protected | - | 4+6 | - | - |
| 01277 582 | Protected | - | 4+6 | - | - |
| 01277 583 | Protected | - | 4+6 | - | - |
| 01277 584 | Protected | - | 4+6 | - | - |
| 01277 585 | Protected | - | 4+6 | - | - |
| 01277 586 | Protected | - | 4+6 | - | - |
| 01277 587 | Protected | - | 4+6 | - | - |
| 01277 588 | Protected | - | 4+6 | - | - |
| 01277 589 | Protected | - | 4+6 | - | - |
| 01277 590 | Protected | - | 4+6 | - | - |
| 01277 591 | Protected | - | 4+6 | - | - |
| 01277 592 | Protected | - | 4+6 | - | - |
| 01277 593 | Protected | - | 4+6 | - | - |
| 01277 594 | Protected | - | 4+6 | - | - |
| 01277 595 | Protected | - | 4+6 | - | - |
| 01277 596 | Protected | - | 4+6 | - | - |
| 01277 597 | Protected | - | 4+6 | - | - |
| 01277 598 | Protected | - | 4+6 | - | - |
| 01277 599 | Protected | - | 4+6 | - | - |
| 01277 60 | Allocated | Nationwide Telephone Assistance Ltd | 4+6 | - | 02/09/2005 |
| 01277 61 | Allocated | FleXtel Limited | 4+6 | - | 20/10/2005 |
| 01277 62 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 63 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 64 | Allocated | Syntec Limited | 4+6 | - | 18/11/2005 |
| 01277 65 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 660 | Allocated | Level 3 Communications UK Limited | 4+6 | - | 17/01/2012 |
| 01277 661 | Protected | - | 4+6 | - | - |
| 01277 662 | Protected | - | 4+6 | - | - |
| 01277 663 | Allocated | Level 3 Communications UK Limited | 4+6 | - | 17/01/2012 |
| 01277 664 | Protected | - | 4+6 | - | - |
| 01277 665 | Protected | - | 4+6 | - | - |
| 01277 666 | Protected | - | 4+6 | - | - |
| 01277 667 | Protected | - | 4+6 | - | - |
| 01277 668 | Protected | - | 4+6 | - | - |
| 01277 669 | Allocated | Level 3 Communications UK Limited | 4+6 | - | 17/01/2012 |
| 01277 670 | Protected | - | 4+6 | - | - |
| 01277 671 | Protected | - | 4+6 | - | - |
| 01277 672 | Protected | - | 4+6 | - | - |
| 01277 673 | Protected | - | 4+6 | - | - |
| 01277 674 | Protected | - | 4+6 | - | - |
| 01277 675 | Protected | - | 4+6 | - | - |
| 01277 676 | Protected | - | 4+6 | - | - |
| 01277 677 | Protected | - | 4+6 | - | - |
| 01277 678 | Protected | - | 4+6 | - | - |
| 01277 679 | Protected | - | 4+6 | - | - |
| 01277 68 | Allocated | TG Support Limited | 4+6 | - | 07/07/2006 |
| 01277 69 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 700 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 11/05/2005 |
| 01277 701 | Protected | - | 4+6 | - | - |
| 01277 702 | Protected | - | 4+6 | - | - |
| 01277 703 | Protected | - | 4+6 | - | - |
| 01277 704 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 11/05/2005 |
| 01277 705 | Protected | - | 4+6 | - | - |
| 01277 706 | Protected | - | 4+6 | - | - |
| 01277 707 | Protected | - | 4+6 | - | - |
| 01277 708 | Protected | - | 4+6 | - | - |
| 01277 709 | Protected | - | 4+6 | - | - |
| 01277 710 | Protected | - | 4+6 | - | - |
| 01277 711 | Protected | - | 4+6 | - | - |
| 01277 712 | Protected | - | 4+6 | - | - |
| 01277 713 | Protected | - | 4+6 | - | - |
| 01277 714 | Protected | - | 4+6 | - | - |
| 01277 715 | Protected | - | 4+6 | - | - |
| 01277 716 | Protected | - | 4+6 | - | - |
| 01277 717 | Protected | - | 4+6 | - | - |
| 01277 718 | Protected | - | 4+6 | - | - |
| 01277 719 | Protected | - | 4+6 | - | - |
| 01277 72 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 04/02/2010 |
| 01277 73 | Allocated | Served Up Limited. | 4+6 | F-Digit '3' | 09/05/2008 |
| 01277 74 | Allocated | Citrus Telecommunications Ltd | 4+6 | F-Digit '2' | 11/04/2006 |
| 01277 75 | Allocated | Virgin Media Wholesale Limited | 4+6 | - | 29/10/2009 |
| 01277 760 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 28/11/2002 |
| 01277 761 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 28/11/2002 |
| 01277 762 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 28/11/2002 |
| 01277 763 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 28/11/2002 |
| 01277 764 | Protected | - | 4+6 | - | - |
| 01277 765 | Protected | - | 4+6 | - | - |
| 01277 766 | Protected | - | 4+6 | - | - |
| 01277 767 | Protected | - | 4+6 | - | - |
| 01277 768 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 28/11/2002 |
| 01277 769 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 28/11/2002 |
| 01277 77 | Allocated | Cloud9 Communications Limited | 4+6 | - | 23/04/2010 |
| 01277 780 | Allocated | Inclarity Communications Ltd | 4+6 | - | 07/07/2004 |
| 01277 781 | Allocated | Inclarity Communications Ltd | 4+6 | - | 07/07/2004 |
| 01277 782 | Allocated | Inclarity Communications Ltd | 4+6 | - | 07/07/2004 |
| 01277 783 | Protected | - | 4+6 | - | - |
| 01277 784 | Protected | - | 4+6 | - | - |
| 01277 785 | Allocated | Inclarity Communications Ltd | 4+6 | - | 07/07/2004 |
| 01277 786 | Protected | - | 4+6 | - | - |
| 01277 787 | Protected | - | 4+6 | - | - |
| 01277 788 | Protected | - | 4+6 | - | - |
| 01277 789 | Protected | - | 4+6 | - | - |
| 01277 79 | Allocated | Edge Telecom Limited | 4+6 | - | 16/03/2005 |
| 01277 80 | Allocated | TTNC Limited | 4+6 | F-Digit 0,1,2,3,4,5,6,7,8,9 | 27/01/2006 |
| 01277 81 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 82 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 830 | Protected | - | 4+6 | - | - |
| 01277 831 | Protected | - | 4+6 | - | - |
| 01277 832 | Protected | - | 4+6 | - | - |
| 01277 833 | Allocated | Coms.Com Ltd | 4+6 | - | 23/05/2006 |
| 01277 834 | Protected | - | 4+6 | - | - |
| 01277 835 | Protected | - | 4+6 | - | - |
| 01277 836 | Protected | - | 4+6 | - | - |
| 01277 837 | Protected | - | 4+6 | - | - |
| 01277 838 | Protected | - | 4+6 | - | - |
| 01277 839 | Protected | - | 4+6 | - | - |
| 01277 84 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 850 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01277 851 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01277 852 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01277 853 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01277 854 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01277 855 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01277 856 | Protected | - | 4+6 | - | - |
| 01277 857 | Protected | - | 4+6 | - | - |
| 01277 858 | Protected | - | 4+6 | - | - |
| 01277 859 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01277 860 | Protected | - | 4+6 | - | - |
| 01277 861 | Protected | - | 4+6 | - | - |
| 01277 862 | Protected | - | 4+6 | - | - |
| 01277 863 | Protected | - | 4+6 | - | - |
| 01277 864 | Protected | - | 4+6 | - | - |
| 01277 865 | Protected | - | 4+6 | - | - |
| 01277 866 | Protected | - | 4+6 | - | - |
| 01277 867 | Protected | - | 4+6 | - | - |
| 01277 868 | Protected | - | 4+6 | - | - |
| 01277 869 | Protected | - | 4+6 | - | - |
| 01277 87 | Allocated | Net Solutions Europe Limited | 4+6 | F-Digit '7' | 30/12/2005 |
| 01277 88 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 24/09/2004 |
| 01277 89 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01277 900 | Protected | - | 4+6 | - | - |
| 01277 901 | Protected | - | 4+6 | - | - |
| 01277 902 | Protected | - | 4+6 | - | - |
| 01277 903 | Protected | - | 4+6 | - | - |
| 01277 904 | Protected | - | 4+6 | - | - |
| 01277 905 | Protected | - | 4+6 | - | - |
| 01277 906 | Protected | - | 4+6 | - | - |
| 01277 907 | Protected | - | 4+6 | - | - |
| 01277 908 | Protected | - | 4+6 | - | - |
| 01277 909 | Protected | - | 4+6 | - | - |
| 01277 910 | Protected | - | 4+6 | - | - |
| 01277 911 | Protected | - | 4+6 | - | - |
| 01277 912 | Protected | - | 4+6 | - | - |
| 01277 913 | Protected | - | 4+6 | - | - |
| 01277 914 | Protected | - | 4+6 | - | - |
| 01277 915 | Protected | - | 4+6 | - | - |
| 01277 916 | Protected | - | 4+6 | - | - |
| 01277 917 | Protected | - | 4+6 | - | - |
| 01277 918 | Protected | - | 4+6 | - | - |
| 01277 919 | Protected | - | 4+6 | - | - |
| 01277 920 | Protected | - | 4+6 | - | - |
| 01277 921 | Protected | - | 4+6 | - | - |
| 01277 922 | Protected | - | 4+6 | - | - |
| 01277 923 | Protected | - | 4+6 | - | - |
| 01277 924 | Protected | - | 4+6 | - | - |
| 01277 925 | Protected | - | 4+6 | - | - |
| 01277 926 | Protected | - | 4+6 | - | - |
| 01277 927 | Protected | - | 4+6 | - | - |
| 01277 928 | Protected | - | 4+6 | - | - |
| 01277 929 | Protected | - | 4+6 | - | - |
| 01277 930 | Protected | - | 4+6 | - | - |
| 01277 931 | Protected | - | 4+6 | - | - |
| 01277 932 | Protected | - | 4+6 | - | - |
| 01277 933 | Protected | - | 4+6 | - | - |
| 01277 934 | Protected | - | 4+6 | - | - |
| 01277 935 | Protected | - | 4+6 | - | - |
| 01277 936 | Protected | - | 4+6 | - | - |
| 01277 937 | Protected | - | 4+6 | - | - |
| 01277 938 | Protected | - | 4+6 | - | - |
| 01277 939 | Protected | - | 4+6 | - | - |
| 01277 940 | Protected | - | 4+6 | - | - |
| 01277 941 | Protected | - | 4+6 | - | - |
| 01277 942 | Protected | - | 4+6 | - | - |
| 01277 943 | Protected | - | 4+6 | - | - |
| 01277 944 | Protected | - | 4+6 | - | - |
| 01277 945 | Protected | - | 4+6 | - | - |
| 01277 946 | Protected | - | 4+6 | - | - |
| 01277 947 | Protected | - | 4+6 | - | - |
| 01277 948 | Protected | - | 4+6 | - | - |
| 01277 949 | Protected | - | 4+6 | - | - |
| 01277 950 | Protected | - | 4+6 | - | - |
| 01277 951 | Protected | - | 4+6 | - | - |
| 01277 952 | Protected | - | 4+6 | - | - |
| 01277 953 | Protected | - | 4+6 | - | - |
| 01277 954 | Protected | - | 4+6 | - | - |
| 01277 955 | Protected | - | 4+6 | - | - |
| 01277 956 | Protected | - | 4+6 | - | - |
| 01277 957 | Protected | - | 4+6 | - | - |
| 01277 958 | Protected | - | 4+6 | - | - |
| 01277 959 | Protected | - | 4+6 | - | - |
| 01277 960 | Protected | - | 4+6 | - | - |
| 01277 961 | Protected | - | 4+6 | - | - |
| 01277 962 | Protected | - | 4+6 | - | - |
| 01277 963 | Protected | - | 4+6 | - | - |
| 01277 964 | Protected | - | 4+6 | - | - |
| 01277 965 | Protected | - | 4+6 | - | - |
| 01277 966 | Protected | - | 4+6 | - | - |
| 01277 967 | Protected | - | 4+6 | - | - |
| 01277 968 | Protected | - | 4+6 | - | - |
| 01277 969 | Protected | - | 4+6 | - | - |
| 01277 970 | Protected | - | 4+6 | - | - |
| 01277 971 | Protected | - | 4+6 | - | - |
| 01277 972 | Protected | - | 4+6 | - | - |
| 01277 973 | Protected | - | 4+6 | - | - |
| 01277 974 | Protected | - | 4+6 | - | - |
| 01277 975 | Protected | - | 4+6 | - | - |
| 01277 976 | Protected | - | 4+6 | - | - |
| 01277 977 | Protected | - | 4+6 | - | - |
| 01277 978 | Protected | - | 4+6 | - | - |
| 01277 979 | Protected | - | 4+6 | - | - |
| 01277 980 | Protected | - | 4+6 | - | - |
| 01277 981 | Protected | - | 4+6 | - | - |
| 01277 982 | Protected | - | 4+6 | - | - |
| 01277 983 | Protected | - | 4+6 | - | - |
| 01277 984 | Protected | - | 4+6 | - | - |
| 01277 985 | Protected | - | 4+6 | - | - |
| 01277 986 | Protected | - | 4+6 | - | - |
| 01277 987 | Protected | - | 4+6 | - | - |
| 01277 988 | Protected | - | 4+6 | - | - |
| 01277 989 | Protected | - | 4+6 | - | - |
| 01277 99 | Protected | - | N/A | - | - |