01633 20 | BT | 15/07/1994 |
01633 21 | BT | 15/07/1994 |
01633 220 | BT | 27/07/2009 |
01633 221 | BT | 27/07/2009 |
01633 222 | BT | 27/07/2009 |
01633 223 | BT | 27/07/2009 |
01633 224 | BT | 27/07/2009 |
01633 225 | BT | 27/07/2009 |
01633 226 | BT | 27/07/2009 |
01633 227 | BT | 27/07/2009 |
01633 229 | Buzz Networks Limited | 04/03/2010 |
01633 23 | BT | 15/07/1994 |
01633 240 | BT | 27/07/2009 |
01633 241 | BT | 27/07/2009 |
01633 242 | BT | 27/07/2009 |
01633 243 | BT | 27/07/2009 |
01633 244 | BT | 27/07/2009 |
01633 245 | BT | 27/07/2009 |
01633 246 | BT | 27/07/2009 |
01633 247 | BT | 27/07/2009 |
01633 249 | Atomstream Limited | 23/03/2010 |
01633 25 | BT | 15/07/1994 |
01633 26 | BT | 15/07/1994 |
01633 27 | BT | 15/07/1994 |
01633 28 | BT | 15/07/1994 |
01633 29 | BT | 15/07/1994 |
01633 300 | Sky UK Limited | 01/07/2013 |
01633 302 | Orbtalk Limited | 05/07/2011 |
01633 303 | TESLA LOGIC LTD | 21/04/2021 |
01633 304 | Numbers Plus Ltd | 28/07/2011 |
01633 305 | Aloha Telecommunications Ltd | 17/08/2011 |
01633 307 | Hello Telecom (UK) Limited | 17/11/2011 |
01633 308 | Internexus Networks Limited | 21/11/2011 |
01633 309 | Sky UK Limited | 01/07/2013 |
01633 31 | Syntec Limited | 16/09/2005 |
01633 320 | Sky UK Limited | 01/07/2013 |
01633 321 | Sky UK Limited | 01/07/2013 |
01633 323 | Nexbridge Communications Limited | 09/01/2012 |
01633 324 | Bicom Systems EURL | 01/03/2012 |
01633 325 | API Telecom Limited | 05/04/2012 |
01633 326 | ICC Networks Ltd | 17/04/2012 |
01633 327 | Invoco Ltd | 06/03/2012 |
01633 328 | Simwood eSMS Limited | 27/04/2012 |
01633 329 | Sky UK Limited | 01/07/2013 |
01633 334 | Six Degrees Technology Group Limited | 01/04/2019 |
01633 34 | FleXtel Limited | 21/10/2005 |
01633 350 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 351 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 352 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 353 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 354 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 355 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 356 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 357 | BT | 24/08/2018 |
01633 358 | Gamma Telecom Holdings Ltd | 29/08/2018 |
01633 359 | Sky UK Limited | 30/08/2018 |
01633 360 | Inclarity Communications Limited | 25/02/2013 |
01633 361 | Inclarity Communications Limited | 25/02/2013 |
01633 362 | Inclarity Communications Limited | 08/11/2012 |
01633 365 | Inclarity Communications Limited | 25/02/2013 |
01633 370 | TalkTalk Communications Limited | 10/11/2014 |
01633 371 | IOVOX Limited | 03/07/2012 |
01633 372 | Orange Business Holdings UK Limited | 13/07/2012 |
01633 373 | Colt Technology Services | 29/06/2012 |
01633 374 | Ziron Limited | 30/07/2012 |
01633 375 | Sky UK Limited | 01/07/2013 |
01633 376 | TalkTalk Communications Limited | 13/09/2012 |
01633 377 | Numbergroup Utilities Ltd | 29/04/2019 |
01633 378 | Sky UK Limited | 01/07/2013 |
01633 379 | Content Guru Limited | 12/10/2012 |
01633 380 | Sky UK Limited | 21/08/2013 |
01633 381 | Resilient PLC | 02/01/2007 |
01633 382 | TelNG Limited | 28/02/2007 |
01633 383 | TTNC Limited | 15/11/2013 |
01633 384 | Virgin Media Limited | 04/09/2006 |
01633 385 | GTT-EMEA LTD | 13/10/2021 |
01633 386 | Vonage Limited | 23/01/2015 |
01633 387 | Spitfire Network Services Limited | 22/08/2006 |
01633 389 | Commi Holdings Limited | 21/11/2016 |
01633 39 | TGL Services (UK) Ltd | 02/02/2015 |
01633 400 | BT | 27/07/2009 |
01633 401 | BT | 27/07/2009 |
01633 402 | BT | 27/07/2009 |
01633 403 | BT | 27/07/2009 |
01633 404 | Liquid 11 Limited | 26/04/2010 |
01633 405 | Digitech Solutions Global Limited | 28/04/2010 |
01633 406 | Suretec Systems Ltd | 06/05/2010 |
01633 407 | Calltracks Limited | 23/09/2013 |
01633 408 | Numbergroup Utilities Ltd | 02/11/2010 |
01633 409 | TeleSurf Limited | 30/06/2010 |
01633 41 | BT | 15/07/1994 |
01633 42 | BT | 15/07/1994 |
01633 43 | BT | 15/07/1994 |
01633 440 | BT | 27/07/2009 |
01633 441 | BT | 27/07/2009 |
01633 442 | BT | 27/07/2009 |
01633 443 | Plus Telecom Limited | 24/09/2010 |
01633 444 | Windsor Telecom Ltd | 22/07/2010 |
01633 445 | VoiceHost Limited | 05/10/2010 |
01633 446 | Telephone Box Limited | 15/12/2010 |
01633 448 | Phone Co-Op Numbering Limited | 23/12/2010 |
01633 449 | BT | 27/07/2009 |
01633 450 | BT | 27/07/2009 |
01633 451 | BT | 27/07/2009 |
01633 452 | Sky UK Limited | 01/07/2013 |
01633 453 | Invosys Limited | 15/02/2012 |
01633 454 | IP Wholesale Limited | 01/06/2017 |
01633 455 | BT | 27/07/2009 |
01633 456 | BT | 27/07/2009 |
01633 458 | Firstsound Ltd | 11/04/2011 |
01633 459 | BT | 27/07/2009 |
01633 46 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 47 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 48 | BT | 15/07/1994 |
01633 490 | Club Communications Ltd | 21/09/2018 |
01633 491 | I.T Communications Limited | 05/09/2019 |
01633 492 | Gamma Telecom Holdings Ltd | 10/05/2019 |
01633 493 | Gamma Telecom Holdings Ltd | 11/12/2019 |
01633 495 | BT | 12/02/2019 |
01633 497 | ICUK Computing Services Limited | 20/09/2019 |
01633 498 | Vodafone Ltd (C&W) | 10/08/2015 |
01633 499 | Gamma Telecom Holdings Ltd | 22/01/2019 |
01633 500 | Magrathea Telecommunications Limited | 17/11/2011 |
01633 501 | Magrathea Telecommunications Limited | 17/11/2011 |
01633 504 | Magrathea Telecommunications Limited | 17/11/2011 |
01633 505 | Magrathea Telecommunications Limited | 17/11/2011 |
01633 508 | Magrathea Telecommunications Limited | 17/11/2011 |
01633 509 | Magrathea Telecommunications Limited | 17/11/2011 |
01633 513 | Digital Space Group Limited | 12/04/2016 |
01633 520 | Linear Telecoms Limited | 14/10/2010 |
01633 521 | Media Hawk Ltd | 12/12/2012 |
01633 522 | Minotaur Telecom Limited | 01/02/2013 |
01633 523 | Intrado Cloud Solutions Limited | 15/01/2013 |
01633 524 | Sky UK Limited | 01/07/2013 |
01633 525 | Citrus Telecommunications Ltd | 25/04/2013 |
01633 526 | Kalnet4U Ltd | 24/05/2013 |
01633 527 | Sky UK Limited | 20/06/2013 |
01633 528 | I-NET COMMUNICATIONS GROUP PLC | 03/07/2013 |
01633 529 | XoverX Ltd | 30/04/2013 |
01633 53 | AQL Wholesale Ltd | 01/11/2004 |
01633 546 | TalkTalk Communications Limited | 31/08/2011 |
01633 547 | TalkTalk Communications Limited | 31/08/2011 |
01633 548 | TalkTalk Communications Limited | 31/08/2011 |
01633 549 | TalkTalk Communications Limited | 31/08/2011 |
01633 551 | Served Up Limited | 08/10/2008 |
01633 553 | Net-Work Internet Ltd | 03/11/2008 |
01633 554 | Affiniti Integrated Solutions Limited | 09/02/2015 |
01633 555 | Solutios Limited | 18/11/2008 |
01633 556 | Sky UK Limited | 01/07/2013 |
01633 557 | IPV6 Limited | 06/02/2009 |
01633 558 | Mars Communications Limited | 05/02/2009 |
01633 559 | Andrews & Arnold (Numbers) Ltd | 25/03/2009 |
01633 56 | GCI Network Solutions Ltd | 02/05/2017 |
01633 580 | Lumen Technologies UK Limited | 25/07/2011 |
01633 581 | Lumen Technologies UK Limited | 25/07/2011 |
01633 582 | Lumen Technologies UK Limited | 25/07/2011 |
01633 583 | Lumen Technologies UK Limited | 25/07/2011 |
01633 584 | Lumen Technologies UK Limited | 25/07/2011 |
01633 586 | Lumen Technologies UK Limited | 25/07/2011 |
01633 589 | Lumen Technologies UK Limited | 25/07/2011 |
01633 59 | Verizon UK Limited | 03/08/2005 |
01633 600 | BT | 27/07/2009 |
01633 601 | BT | 27/07/2009 |
01633 602 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01633 603 | Twilio Ireland Limited | 13/10/2020 |
01633 604 | Sky UK Limited | 12/03/2021 |
01633 605 | BT | 27/07/2009 |
01633 606 | BT | 27/07/2009 |
01633 607 | BT | 27/07/2009 |
01633 608 | BT | 27/07/2009 |
01633 61 | BT | 15/07/1994 |
01633 62 | BT | 21/05/1997 |
01633 630 | Gamma Telecom Holdings Ltd | 25/04/2016 |
01633 631 | Gamma Telecom Holdings Ltd | 25/04/2016 |
01633 632 | Gamma Telecom Holdings Ltd | 25/04/2016 |
01633 633 | BT | 10/01/2020 |
01633 634 | I.T Communications Limited | 21/03/2016 |
01633 635 | Belgacom International Carrier Services SA | 20/06/2016 |
01633 636 | BT | 27/07/2009 |
01633 637 | BT | 27/07/2009 |
01633 638 | Adepteo Limited | 06/12/2016 |
01633 639 | Sky UK Limited | 06/10/2017 |
01633 640 | Dial 9 Communications Limited | 09/01/2020 |
01633 642 | BT | 27/07/2009 |
01633 643 | BT | 27/07/2009 |
01633 644 | Gamma Telecom Holdings Ltd | 02/08/2016 |
01633 645 | BT | 27/07/2009 |
01633 646 | Colt Technology Services | 22/04/2021 |
01633 647 | BT | 27/07/2009 |
01633 648 | BT | 27/07/2009 |
01633 649 | BT | 12/01/2021 |
01633 650 | SiPalto Ltd | 23/01/2020 |
01633 651 | BT | 27/07/2009 |
01633 652 | BT | 27/07/2009 |
01633 653 | BT | 27/07/2009 |
01633 654 | BT | 27/07/2009 |
01633 655 | BT | 27/07/2009 |
01633 656 | BT | 27/07/2009 |
01633 657 | BT | 27/07/2009 |
01633 66 | Virgin Media Limited | 15/07/1994 |
01633 67 | Virgin Media Limited | 22/08/1995 |
01633 680 | BT | 27/07/2009 |
01633 681 | BT | 27/07/2009 |
01633 682 | BT | 27/07/2009 |
01633 685 | BT | 27/07/2009 |
01633 686 | BT | 27/07/2009 |
01633 689 | BT | 27/07/2009 |
01633 69 | Redcentric Solutions Limited | 05/06/2015 |
01633 701 | Virgin Media Limited | 27/06/2012 |
01633 702 | Virgin Media Limited | 27/06/2012 |
01633 703 | Virgin Media Limited | 27/06/2012 |
01633 704 | Virgin Media Limited | 27/06/2012 |
01633 705 | Virgin Media Limited | 27/06/2012 |
01633 706 | Virgin Media Limited | 27/06/2012 |
01633 707 | Virgin Media Limited | 27/06/2012 |
01633 708 | Virgin Media Limited | 27/06/2012 |
01633 710 | Virgin Media Limited | 27/06/2012 |
01633 711 | Virgin Media Limited | 27/06/2012 |
01633 712 | Virgin Media Limited | 27/06/2012 |
01633 713 | Virgin Media Limited | 27/06/2012 |
01633 714 | Virgin Media Limited | 27/06/2012 |
01633 715 | Virgin Media Limited | 27/06/2012 |
01633 716 | Virgin Media Limited | 27/06/2012 |
01633 717 | Virgin Media Limited | 27/06/2012 |
01633 718 | Virgin Media Limited | 27/06/2012 |
01633 720 | Vodafone Ltd (Thus) | 11/01/2012 |
01633 721 | Vodafone Ltd (Thus) | 11/01/2012 |
01633 729 | Vodafone Ltd (Thus) | 11/01/2012 |
01633 730 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01633 731 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01633 733 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01633 739 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01633 74 | Gamma Telecom Holdings Ltd | 05/04/2004 |
01633 75 | Vodafone Ltd (C&W) | 09/09/2013 |
01633 76 | Virgin Media Limited | 13/06/1996 |
01633 77 | Virgin Media Limited | 27/10/1997 |
01633 780 | Virgin Media Limited | 27/06/2012 |
01633 781 | Virgin Media Limited | 27/06/2012 |
01633 782 | Virgin Media Limited | 27/06/2012 |
01633 783 | Virgin Media Limited | 27/06/2012 |
01633 784 | Virgin Media Limited | 27/06/2012 |
01633 785 | Virgin Media Limited | 27/06/2012 |
01633 786 | Virgin Media Limited | 27/06/2012 |
01633 787 | Virgin Media Limited | 27/06/2012 |
01633 79 | Virgin Media Limited | 03/08/1998 |
01633 800 | BT | 27/07/2009 |
01633 801 | BT | 27/07/2009 |
01633 807 | BT | 27/07/2009 |
01633 81 | BT | 15/07/1994 |
01633 82 | BT | 15/07/1994 |
01633 830 | Lanonyx Telecom Limited | 10/08/2021 |
01633 831 | Gamma Telecom Holdings Ltd | 17/12/2020 |
01633 832 | Gamma Telecom Holdings Ltd | 22/09/2021 |
01633 833 | BT | 27/07/2009 |
01633 834 | Gamma Telecom Holdings Ltd | 02/08/2016 |
01633 835 | BT | 27/07/2009 |
01633 836 | Gamma Telecom Holdings Ltd | 20/01/2021 |
01633 837 | BT | 22/09/2021 |
01633 838 | BT | 27/07/2009 |
01633 840 | BT | 27/07/2009 |
01633 841 | BT | 27/07/2009 |
01633 842 | BT | 27/07/2009 |
01633 843 | BT | 27/07/2009 |
01633 844 | BT | 27/07/2009 |
01633 845 | Mi Telecom Limited | 03/07/2020 |
01633 846 | BT | 28/08/2020 |
01633 848 | Gamma Telecom Holdings Ltd | 19/08/2020 |
01633 849 | Gamma Telecom Holdings Ltd | 23/04/2020 |
01633 85 | BT | 15/07/1994 |
01633 86 | BT | 15/07/1994 |
01633 87 | BT | 15/07/1994 |
01633 88 | BT | 15/07/1994 |
01633 89 | BT | 15/07/1994 |
01633 900 | Localphone Limited | 10/05/2007 |
01633 901 | (AQ) LIMITED | 12/09/2012 |
01633 902 | Digital Space Group Limited | 15/03/2016 |
01633 903 | Invade International Ltd | 12/01/2016 |
01633 904 | TalkTalk Communications Limited | 13/02/2013 |
01633 905 | Telecoms World Direct Ltd | 28/04/2009 |
01633 906 | TELNYX UK LIMITED | 07/05/2020 |
01633 907 | Vectone Mobile Limited | 07/07/2009 |
01633 909 | Nexus Telecommunications Limited | 28/09/2009 |
01633 91 | TTNC Limited | 14/11/2013 |
01633 920 | Voiceflex Limited | 27/09/2007 |
01633 921 | VoIP-Un Limited | 01/11/2007 |
01633 922 | Barritel Limited | 17/08/2007 |
01633 923 | Nodemax Limited | 09/07/2008 |
01633 925 | Digital Space Group Limited | 16/05/2008 |
01633 926 | Telecom2 Limited | 10/09/2009 |
01633 927 | Inet Telecoms Ltd (Voipfone) | 24/09/2008 |
01633 928 | Voxbone SA | 28/11/2007 |
01633 929 | Nationwide Telephone Assistance Ltd | 12/10/2007 |
01633 930 | Vodafone Ltd (C&W) | 18/06/2013 |
01633 932 | Vodafone Ltd (C&W) | 18/06/2013 |
01633 950 | CFL Communications Ltd | 14/07/2009 |
01633 951 | GCI Network Solutions Ltd | 25/04/2017 |
01633 960 | TalkTalk Communications Limited | 03/09/2013 |
01633 961 | TalkTalk Communications Limited | 24/04/2014 |
01633 962 | iHub 2 Limited | 18/05/2016 |
01633 963 | Colt Technology Services | 10/11/2014 |
01633 964 | Metronet (UK) Limited | 21/05/2019 |
01633 965 | YayYay Limited | 24/04/2015 |
01633 966 | Redwood Technologies Ltd | 15/11/2018 |
01633 967 | Sky UK Limited | 21/08/2013 |
01633 968 | Sky UK Limited | 21/08/2013 |
01633 971 | Sky UK Limited | 07/09/2015 |
01633 972 | Sky UK Limited | 07/09/2015 |
01633 973 | Gamma Telecom Holdings Ltd | 06/11/2015 |
01633 974 | Sky UK Limited | 24/12/2015 |
01633 976 | TalkTalk Communications Limited | 24/11/2017 |
01633 977 | Mintaka Limited | 29/02/2016 |
01633 978 | Entanet International Ltd | 05/12/2017 |
01633 980 | Fuse 2 Communications Ltd | 03/07/2017 |
01633 981 | IP Voice Networks Ltd | 20/09/2017 |
01633 982 | Gamma Telecom Holdings Ltd | 30/11/2017 |
01633 983 | Telappliant Ltd | 05/04/2018 |
01633 984 | TalkTalk Communications Limited | 13/04/2018 |
01633 985 | Zapappi Ltd | 05/01/2018 |
01633 986 | DIDWW Ireland Limited | 19/10/2017 |
01633 987 | Gamma Telecom Holdings Ltd | 03/03/2017 |
01633 988 | Colt Technology Services | 11/05/2017 |
01633 989 | Number Services Ltd. | 22/11/2018 |