01480 20 | FleXtel Limited | 24/10/2005 |
01480 21 | BT | 15/07/1994 |
01480 22 | BT | 15/07/1994 |
01480 230 | Vodafone Ltd (Thus) | 04/01/2012 |
01480 231 | Vodafone Ltd (Thus) | 04/01/2012 |
01480 232 | Vodafone Ltd (Thus) | 04/01/2012 |
01480 236 | Vodafone Ltd (Thus) | 04/01/2012 |
01480 237 | Vodafone Ltd (Thus) | 04/01/2012 |
01480 238 | Vodafone Ltd (Thus) | 04/01/2012 |
01480 239 | Vodafone Ltd (Thus) | 04/01/2012 |
01480 24 | Redcentric Solutions Limited | 05/06/2015 |
01480 26 | AQL Wholesale Ltd | 01/11/2004 |
01480 27 | Gamma Telecom Holdings Ltd | 24/12/2004 |
01480 280 | Inclarity Communications Limited | 08/11/2012 |
01480 281 | Inclarity Communications Limited | 08/11/2012 |
01480 282 | Inclarity Communications Limited | 08/11/2012 |
01480 285 | Inclarity Communications Limited | 08/11/2012 |
01480 29 | GCI Network Solutions Ltd | 25/04/2017 |
01480 30 | BT | 15/07/1994 |
01480 31 | Vodafone Ltd (Energis) | 26/05/2006 |
01480 32 | BT | 15/07/1994 |
01480 330 | Lumen Technologies UK Limited | 09/09/1999 |
01480 333 | Lumen Technologies UK Limited | 09/09/1999 |
01480 334 | Lumen Technologies UK Limited | 09/09/1999 |
01480 335 | Lumen Technologies UK Limited | 09/09/1999 |
01480 339 | Lumen Technologies UK Limited | 09/09/1999 |
01480 35 | Virgin Media Limited | 15/07/1994 |
01480 36 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 37 | Virgin Media Limited | 15/07/1994 |
01480 38 | Virgin Media Limited | 15/07/1994 |
01480 39 | Virgin Media Limited | 15/07/1994 |
01480 40 | BT | 15/07/1994 |
01480 41 | BT | 15/07/1994 |
01480 42 | BT | 15/07/1994 |
01480 43 | BT | 15/07/1994 |
01480 44 | BT | 15/07/1994 |
01480 45 | BT | 17/07/2000 |
01480 46 | BT | 15/07/1994 |
01480 47 | BT | 15/07/1994 |
01480 48 | BT | 15/07/1994 |
01480 49 | BT | 15/07/1994 |
01480 500 | Linear Telecoms Limited | 12/10/2010 |
01480 501 | Orbtalk Limited | 19/09/2011 |
01480 502 | Internexus Networks Limited | 21/11/2011 |
01480 504 | Invoco Ltd | 26/09/2011 |
01480 506 | Bicom Systems EURL | 02/03/2012 |
01480 507 | API Telecom Limited | 30/03/2012 |
01480 508 | ICC Networks Ltd | 16/04/2012 |
01480 509 | TalkTalk Communications Limited | 01/05/2012 |
01480 510 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 511 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 512 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 513 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 514 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 515 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 516 | Vodafone Ltd (C&W) | 05/09/2013 |
01480 52 | BT | 15/07/1994 |
01480 53 | Sky UK Limited | 05/07/2013 |
01480 54 | Syntec Limited | 01/03/2005 |
01480 560 | Six Degrees Technology Group Limited | 14/01/2020 |
01480 563 | Six Degrees Technology Group Limited | 14/01/2020 |
01480 564 | Six Degrees Technology Group Limited | 14/01/2020 |
01480 570 | VoiceHost Limited | 20/08/2010 |
01480 571 | Numbergroup Utilities Ltd | 08/05/2012 |
01480 572 | Hello Telecom (UK) Limited | 20/07/2012 |
01480 573 | Ziron Limited | 30/07/2012 |
01480 574 | Media Hawk Ltd | 11/04/2013 |
01480 575 | Content Guru Limited | 15/10/2012 |
01480 576 | IOVOX Limited | 03/07/2012 |
01480 578 | Intrado Cloud Solutions Limited | 19/02/2013 |
01480 579 | XoverX Ltd | 30/04/2013 |
01480 580 | Redwood Technologies Ltd | 15/11/2018 |
01480 581 | TalkTalk Communications Limited | 02/05/2014 |
01480 582 | Kalnet4U Ltd | 22/05/2013 |
01480 583 | Vonage Limited | 26/01/2015 |
01480 584 | YayYay Limited | 23/04/2015 |
01480 585 | Colt Technology Services | 27/04/2015 |
01480 586 | I.T Communications Limited | 19/05/2015 |
01480 587 | BT | 02/07/2014 |
01480 588 | iHub 2 Limited | 18/05/2016 |
01480 589 | Simwood eSMS Limited | 30/07/2014 |
01480 590 | Telappliant Ltd | 05/04/2018 |
01480 591 | NFON UK Ltd | 18/07/2018 |
01480 592 | BT | 26/03/2019 |
01480 593 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01480 594 | DIDWW Ireland Limited | 27/01/2020 |
01480 595 | Colt Technology Services | 28/02/2018 |
01480 596 | Dial 9 Communications Limited | 10/12/2019 |
01480 597 | Gamma Telecom Holdings Ltd | 02/07/2019 |
01480 598 | Gamma Telecom Holdings Ltd | 12/02/2019 |
01480 599 | Club Communications Ltd | 31/07/2018 |
01480 61 | TelNG Limited | 27/02/2007 |
01480 62 | Commi Holdings Limited | 21/11/2016 |
01480 63 | TTNC Limited | 11/11/2013 |
01480 640 | Digital Mail Limited | 21/10/2011 |
01480 650 | GTT-EMEA LTD | 14/10/2021 |
01480 651 | GTT-EMEA LTD | 14/10/2021 |
01480 652 | GTT-EMEA LTD | 14/10/2021 |
01480 653 | GTT-EMEA LTD | 14/10/2021 |
01480 654 | GTT-EMEA LTD | 14/10/2021 |
01480 655 | GTT-EMEA LTD | 14/10/2021 |
01480 658 | GTT-EMEA LTD | 14/10/2021 |
01480 659 | GTT-EMEA LTD | 14/10/2021 |
01480 66 | Served Up Limited | 23/05/2008 |
01480 677 | Spitfire Network Services Limited | 10/11/2011 |
01480 690 | Resilient PLC | 18/05/2012 |
01480 691 | Resilient PLC | 18/05/2012 |
01480 699 | BT | 29/03/2019 |
01480 700 | TalkTalk Communications Limited | 07/08/2007 |
01480 701 | Barritel Limited | 07/08/2007 |
01480 702 | Voiceflex Limited | 07/08/2007 |
01480 703 | Localphone Limited | 07/08/2007 |
01480 705 | Orange Business Holdings UK Limited | 26/02/2013 |
01480 706 | (AQ) LIMITED | 11/09/2012 |
01480 707 | Verizon UK Limited | 10/10/2007 |
01480 708 | VoIP-Un Limited | 30/10/2007 |
01480 709 | Digital Space Group Limited | 15/03/2016 |
01480 710 | Voxbone SA | 24/01/2008 |
01480 711 | Net-Work Internet Ltd | 28/01/2008 |
01480 712 | Digital Space Group Limited | 28/04/2008 |
01480 713 | Telecom2 Limited | 11/09/2009 |
01480 714 | Nationwide Telephone Assistance Ltd | 10/07/2008 |
01480 715 | Nodemax Limited | 16/07/2008 |
01480 716 | TalkTalk Communications Limited | 12/02/2013 |
01480 718 | Inet Telecoms Ltd (Voipfone) | 24/09/2008 |
01480 720 | IPV6 Limited | 04/02/2009 |
01480 722 | Solutios Limited | 22/10/2008 |
01480 723 | M247 Ltd | 20/05/2015 |
01480 724 | Mars Communications Limited | 05/02/2009 |
01480 725 | Telecoms World PLC | 19/03/2009 |
01480 727 | Andrews & Arnold (Numbers) Ltd | 11/03/2009 |
01480 728 | Invade International Ltd | 12/01/2016 |
01480 729 | Vectone Mobile Limited | 30/06/2009 |
01480 730 | CFL Communications Ltd | 13/07/2009 |
01480 731 | TalkTalk Communications Limited | 03/08/2009 |
01480 733 | Nexus Telecommunications Limited | 28/09/2009 |
01480 734 | GCI Network Solutions Ltd | 19/04/2017 |
01480 735 | I-NET COMMUNICATIONS GROUP PLC | 18/01/2010 |
01480 736 | Atomstream Limited | 23/03/2010 |
01480 737 | WIGHTFIBRE LIMITED | 19/01/2010 |
01480 738 | Digitech Solutions Global Limited | 27/04/2010 |
01480 740 | Suretec Systems Ltd | 06/05/2010 |
01480 741 | Calltracks Limited | 20/09/2013 |
01480 742 | Core Telecom Limited | 05/08/2010 |
01480 743 | Windsor Telecom Ltd | 21/07/2010 |
01480 744 | TGL Services (UK) Ltd | 02/02/2015 |
01480 745 | Numbergroup Utilities Ltd | 15/11/2010 |
01480 746 | Telephone Box Limited | 29/11/2010 |
01480 748 | Phone Co-Op Numbering Limited | 22/12/2010 |
01480 750 | Invosys Limited | 10/07/2012 |
01480 751 | IP Wholesale Limited | 01/06/2017 |
01480 752 | Nexbridge Communications Limited | 07/03/2012 |
01480 753 | Minotaur Telecom Limited | 01/02/2013 |
01480 755 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01480 756 | BT | 27/04/2021 |
01480 757 | Colt Technology Services | 30/09/2020 |
01480 758 | Belgacom International Carrier Services SA | 21/10/2020 |
01480 759 | BT | 03/12/2020 |
01480 760 | Gamma Telecom Holdings Ltd | 22/09/2021 |
01480 761 | SiPalto Ltd | 11/06/2020 |
01480 762 | Adepteo Limited | 13/12/2016 |
01480 763 | Virgin Media Limited | 08/03/2016 |
01480 764 | TalkTalk Communications Limited | 24/11/2017 |
01480 765 | Number Services Ltd. | 22/11/2018 |
01480 767 | Alnitak GmbH | 31/08/2016 |
01480 768 | Fuse 2 Communications Ltd | 04/07/2017 |
01480 769 | IP Voice Networks Ltd | 20/09/2017 |
01480 770 | ICUK Computing Services Limited | 05/06/2020 |
01480 771 | Mi Telecom Limited | 03/07/2020 |
01480 772 | Gamma Telecom Holdings Ltd | 31/03/2021 |
01480 773 | Gamma Telecom Holdings Ltd | 16/09/2020 |
01480 774 | BT | 09/03/2020 |
01480 775 | Gamma Telecom Holdings Ltd | 03/03/2020 |
01480 80 | Affiniti Integrated Solutions Limited | 04/02/2004 |
01480 81 | BT | 15/07/1994 |
01480 82 | BT | 15/07/1994 |
01480 83 | BT | 15/07/1994 |
01480 84 | BT | 15/07/1994 |
01480 86 | BT | 15/07/1994 |
01480 87 | Magrathea Telecommunications Limited | 24/09/2004 |
01480 88 | BT | 15/07/1994 |
01480 89 | BT | 15/07/1994 |