01732 10 | BT | 04/01/1999 |
01732 20 | Spitfire Network Services Limited | 27/06/2006 |
01732 22 | BT | 15/07/1994 |
01732 23 | TGL Services (UK) Ltd | 02/02/2015 |
01732 240 | Vonage Limited | 23/01/2015 |
01732 241 | TalkTalk Communications Limited | 18/02/2013 |
01732 243 | Orbtalk Limited | 23/08/2011 |
01732 244 | Hello Telecom (UK) Limited | 17/11/2011 |
01732 245 | Internexus Networks Limited | 22/11/2011 |
01732 247 | Simwood eSMS Limited | 14/02/2012 |
01732 248 | Bicom Systems EURL | 01/03/2012 |
01732 249 | API Telecom Limited | 10/04/2012 |
01732 25 | AQL Wholesale Ltd | 04/08/2006 |
01732 280 | Colt Technology Services | 26/08/2011 |
01732 29 | TelNG Limited | 28/02/2007 |
01732 30 | Virgin Media Limited | 14/03/2016 |
01732 310 | Suretec Systems Ltd | 12/05/2010 |
01732 311 | Atomstream Limited | 29/03/2010 |
01732 312 | Digitech Solutions Global Limited | 27/04/2010 |
01732 313 | Numbergroup Utilities Ltd | 02/11/2010 |
01732 314 | Calltracks Limited | 23/09/2013 |
01732 316 | Windsor Telecom Ltd | 22/07/2010 |
01732 317 | Telappliant Ltd | 21/06/2010 |
01732 318 | Telephone Box Limited | 09/12/2010 |
01732 319 | Phone Co-Op Numbering Limited | 21/12/2010 |
01732 32 | Virgin Media Limited | 17/03/2016 |
01732 330 | Inclarity Communications Limited | 08/11/2012 |
01732 331 | Inclarity Communications Limited | 08/11/2012 |
01732 332 | Inclarity Communications Limited | 08/11/2012 |
01732 335 | Inclarity Communications Limited | 08/11/2012 |
01732 35 | BT | 15/07/1994 |
01732 36 | BT | 15/07/1994 |
01732 37 | BT | 15/07/1994 |
01732 380 | Linear Telecoms Limited | 18/10/2010 |
01732 381 | Ziron Limited | 31/07/2012 |
01732 382 | Sky UK Limited | 21/06/2013 |
01732 383 | Content Guru Limited | 12/10/2012 |
01732 384 | Sky UK Limited | 21/06/2013 |
01732 385 | Media Hawk Ltd | 10/04/2013 |
01732 386 | Affiniti Integrated Solutions Limited | 11/04/2013 |
01732 387 | Kalnet4U Ltd | 30/05/2013 |
01732 389 | Intrado Cloud Solutions Limited | 19/02/2013 |
01732 396 | GTT-EMEA LTD | 13/10/2021 |
01732 397 | GTT-EMEA LTD | 13/10/2021 |
01732 399 | GTT-EMEA LTD | 13/10/2021 |
01732 40 | AQL Wholesale Ltd | 01/11/2004 |
01732 410 | Six Degrees Technology Group Limited | 14/01/2020 |
01732 414 | Six Degrees Technology Group Limited | 14/01/2020 |
01732 42 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 43 | TTNC Limited | 12/11/2013 |
01732 44 | Gamma Telecom Holdings Ltd | 24/12/2004 |
01732 45 | BT | 15/07/1994 |
01732 46 | BT | 15/07/1994 |
01732 47 | BT | 15/07/1994 |
01732 48 | Redcentric Solutions Limited | 05/06/2015 |
01732 490 | Sky UK Limited | 21/06/2013 |
01732 491 | Sky UK Limited | 20/04/2017 |
01732 492 | Calltracks Limited | 23/08/2017 |
01732 493 | Entanet International Ltd | 05/12/2017 |
01732 494 | Colt Technology Services | 11/05/2017 |
01732 495 | IP Voice Networks Ltd | 20/09/2017 |
01732 496 | Gamma Telecom Holdings Ltd | 16/01/2018 |
01732 497 | Gamma Telecom Holdings Ltd | 30/06/2017 |
01732 498 | NFON UK Ltd | 20/09/2017 |
01732 499 | Number Services Ltd. | 22/11/2018 |
01732 50 | Virgin Media Limited | 14/03/2016 |
01732 51 | Citrus Telecommunications Ltd | 09/08/2005 |
01732 52 | BT | 15/07/1994 |
01732 55 | GCI Network Solutions Ltd | 26/04/2017 |
01732 56 | Barritel Limited | 23/06/2006 |
01732 57 | FleXtel Limited | 11/11/2005 |
01732 58 | BT | 15/05/1995 |
01732 59 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 600 | Voiceflex Limited | 27/09/2007 |
01732 601 | (AQ) LIMITED | 12/09/2012 |
01732 602 | Digital Space Group Limited | 15/03/2016 |
01732 603 | Digital Space Group Limited | 20/05/2008 |
01732 604 | Verizon UK Limited | 10/03/2008 |
01732 605 | TalkTalk Communications Limited | 14/02/2013 |
01732 606 | VoIP-Un Limited | 05/11/2007 |
01732 608 | Voxbone SA | 25/09/2008 |
01732 609 | Lumen Technologies UK Limited | 17/12/2008 |
01732 610 | Nodemax Limited | 15/07/2008 |
01732 611 | Served Up Limited | 09/10/2008 |
01732 612 | Solutios Limited | 25/11/2008 |
01732 614 | IPV6 Limited | 06/02/2009 |
01732 615 | Mars Communications Limited | 06/02/2009 |
01732 616 | Telecoms World PLC | 09/06/2009 |
01732 617 | Inet Telecoms Ltd (Voipfone) | 17/11/2008 |
01732 618 | Invade International Ltd | 13/01/2016 |
01732 619 | Vectone Mobile Limited | 01/07/2009 |
01732 620 | Localphone Limited | 14/05/2007 |
01732 622 | Affiniti Integrated Solutions Limited | 22/11/2007 |
01732 623 | Telecom2 Limited | 10/09/2009 |
01732 624 | Nexus Telecommunications Limited | 30/09/2009 |
01732 625 | Orbital Net Limited | 19/12/2014 |
01732 626 | Vodafone Ltd (Thus) | 25/01/2012 |
01732 627 | TeleWare Group PLC | 08/01/2010 |
01732 629 | GCI Network Solutions Ltd | 25/04/2017 |
01732 640 | Digital Mail Limited | 06/05/2008 |
01732 641 | I-NET COMMUNICATIONS GROUP PLC | 13/01/2010 |
01732 642 | Sky UK Limited | 21/06/2013 |
01732 644 | Net-Work Internet Ltd | 28/01/2008 |
01732 645 | CFL Communications Ltd | 15/07/2009 |
01732 646 | Andrews & Arnold (Numbers) Ltd | 27/03/2009 |
01732 647 | Buzz Networks Limited | 01/03/2010 |
01732 649 | Nationwide Telephone Assistance Ltd | 22/10/2007 |
01732 651 | Invosys Limited | 17/05/2012 |
01732 652 | IP Wholesale Limited | 01/06/2017 |
01732 653 | Minotaur Telecom Limited | 01/02/2013 |
01732 654 | Nexbridge Communications Limited | 09/03/2012 |
01732 655 | Invoco Ltd | 25/04/2012 |
01732 657 | ICC Networks Ltd | 16/04/2012 |
01732 658 | IOVOX Limited | 04/07/2012 |
01732 659 | XoverX Ltd | 29/04/2013 |
01732 666 | TalkTalk Communications Limited | 21/07/2014 |
01732 667 | TalkTalk Communications Limited | 19/01/2012 |
01732 668 | TalkTalk Communications Limited | 19/01/2012 |
01732 669 | TalkTalk Communications Limited | 19/01/2012 |
01732 670 | Sky UK Limited | 15/09/2014 |
01732 671 | YayYay Limited | 24/04/2015 |
01732 672 | Sky UK Limited | 21/08/2013 |
01732 673 | Metronet (UK) Limited | 21/05/2019 |
01732 674 | Sky UK Limited | 02/09/2015 |
01732 676 | iHub 2 Limited | 18/05/2016 |
01732 677 | Redwood Technologies Ltd | 15/11/2018 |
01732 678 | Affiniti Integrated Solutions Limited | 21/07/2014 |
01732 679 | Media Hawk Ltd | 25/11/2015 |
01732 680 | Alnitak GmbH | 06/04/2016 |
01732 682 | Sky UK Limited | 21/04/2016 |
01732 683 | Media Hawk Ltd | 28/09/2016 |
01732 684 | Adepteo Limited | 06/12/2016 |
01732 685 | Zapappi Ltd | 05/01/2018 |
01732 687 | I.T Communications Limited | 18/04/2016 |
01732 689 | Fuse 2 Communications Ltd | 03/07/2017 |
01732 690 | Resilient PLC | 18/05/2012 |
01732 691 | Resilient PLC | 18/05/2012 |
01732 699 | Resilient PLC | 18/05/2012 |
01732 70 | BT | 15/07/1994 |
01732 710 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 711 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 712 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 713 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 714 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 715 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 716 | Vodafone Ltd (C&W) | 10/09/2013 |
01732 73 | Syntec Limited | 12/12/2005 |
01732 74 | BT | 15/07/1994 |
01732 75 | BT | 15/07/1994 |
01732 76 | BT | 15/07/1994 |
01732 77 | BT | 15/07/1994 |
01732 78 | BT | 15/07/1994 |
01732 790 | VoiceHost Limited | 09/12/2010 |
01732 791 | Belgacom International Carrier Services SA | 24/04/2020 |
01732 792 | Colt Technology Services | 25/02/2020 |
01732 793 | Colt Technology Services | 25/02/2020 |
01732 794 | Affiniti Integrated Solutions Limited | 27/05/2020 |
01732 795 | Gamma Telecom Holdings Ltd | 09/03/2020 |
01732 796 | Sky UK Limited | 08/09/2020 |
01732 797 | Voiceflex Limited | 04/12/2020 |
01732 798 | BT | 03/12/2020 |
01732 799 | Lanonyx Telecom Limited | 10/08/2021 |
01732 80 | Magrathea Telecommunications Limited | 24/09/2004 |
01732 81 | BT | 15/07/1994 |
01732 82 | BT | 15/07/1994 |
01732 83 | BT | 15/07/1994 |
01732 84 | BT | 15/07/1994 |
01732 85 | BT | 15/07/1994 |
01732 86 | BT | 15/07/1994 |
01732 87 | BT | 15/07/1994 |
01732 88 | BT | 15/07/1994 |
01732 89 | BT | 15/07/1994 |
01732 900 | Gamma Telecom Holdings Ltd | 22/09/2021 |
01732 901 | DIDWW Ireland Limited | 18/02/2021 |
01732 902 | Gamma Telecom Holdings Ltd | 08/09/2020 |
01732 905 | Gamma Telecom Holdings Ltd | 17/12/2020 |
01732 906 | Gamma Telecom Holdings Ltd | 26/05/2021 |
01732 907 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01732 908 | Voiceflex Limited | 12/08/2020 |
01732 909 | Mi Telecom Limited | 06/07/2020 |
01732 920 | Gamma Telecom Holdings Ltd | 18/07/2018 |
01732 921 | Sky UK Limited | 30/08/2018 |
01732 922 | Colt Technology Services | 02/05/2018 |
01732 923 | BT | 26/03/2019 |
01732 924 | TalkTalk Communications Limited | 09/01/2020 |
01732 925 | Dial 9 Communications Limited | 08/01/2020 |
01732 926 | BT | 07/01/2020 |
01732 927 | Gamma Telecom Holdings Ltd | 06/03/2019 |
01732 928 | Gamma Telecom Holdings Ltd | 04/11/2019 |
01732 929 | Club Communications Ltd | 21/09/2018 |