01724 20 | BT | 15/07/1994 |
01724 215 | GTT-EMEA LTD | 13/10/2021 |
01724 216 | GTT-EMEA LTD | 13/10/2021 |
01724 217 | GTT-EMEA LTD | 13/10/2021 |
01724 22 | Redcentric Solutions Limited | 05/06/2015 |
01724 230 | Inclarity Communications Limited | 25/02/2013 |
01724 231 | Inclarity Communications Limited | 25/02/2013 |
01724 232 | Inclarity Communications Limited | 08/11/2012 |
01724 235 | Inclarity Communications Limited | 25/02/2013 |
01724 240 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 241 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 242 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 243 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 244 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 245 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 246 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 247 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 248 | KCOM Group Limited | 10/06/2021 |
01724 249 | Affiniti Integrated Solutions Limited | 07/12/2004 |
01724 25 | TGL Services (UK) Ltd | 02/02/2015 |
01724 26 | GCI Network Solutions Ltd | 26/04/2017 |
01724 27 | BT | 15/07/1994 |
01724 28 | BT | 15/07/1994 |
01724 29 | BT | 15/07/1994 |
01724 300 | Linear Telecoms Limited | 18/10/2010 |
01724 302 | Orbtalk Limited | 19/09/2011 |
01724 303 | Barritec Limited | 28/09/2011 |
01724 304 | Inet Telecoms Ltd (Voipfone) | 17/10/2011 |
01724 305 | Internexus Networks Limited | 22/11/2011 |
01724 306 | Hello Telecom (UK) Limited | 03/01/2012 |
01724 307 | Sky UK Limited | 21/06/2013 |
01724 309 | Bicom Systems EURL | 01/03/2012 |
01724 310 | Six Degrees Technology Group Limited | 14/01/2020 |
01724 314 | Six Degrees Technology Group Limited | 14/01/2020 |
01724 33 | Virgin Media Limited | 30/01/1997 |
01724 34 | Virgin Media Limited | 08/06/1998 |
01724 35 | Virgin Media Limited | 08/06/1998 |
01724 370 | Digitech Solutions Global Limited | 26/06/2012 |
01724 371 | API Telecom Limited | 10/04/2012 |
01724 372 | ICC Networks Ltd | 16/04/2012 |
01724 373 | Ziron Limited | 31/07/2012 |
01724 374 | Content Guru Limited | 12/10/2012 |
01724 375 | Invoco Ltd | 25/04/2012 |
01724 376 | Simwood eSMS Limited | 26/04/2012 |
01724 377 | IOVOX Limited | 04/07/2012 |
01724 379 | Sky UK Limited | 21/06/2013 |
01724 38 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 39 | Syntec Limited | 19/12/2005 |
01724 40 | BT | 15/07/1994 |
01724 41 | AQL Wholesale Ltd | 04/08/2006 |
01724 42 | Virgin Media Limited | 26/07/2012 |
01724 44 | TTNC Limited | 12/11/2013 |
01724 450 | YayYay Limited | 24/04/2015 |
01724 452 | Sky UK Limited | 09/11/2015 |
01724 454 | Colt Technology Services | 01/05/2015 |
01724 455 | Digital Mail Limited | 21/10/2011 |
01724 456 | Metronet (UK) Limited | 21/05/2019 |
01724 457 | Alnitak GmbH | 31/08/2016 |
01724 458 | Adepteo Limited | 06/12/2016 |
01724 46 | TelNG Limited | 28/02/2007 |
01724 477 | Spitfire Network Services Limited | 14/11/2011 |
01724 487 | TalkTalk Communications Limited | 19/01/2012 |
01724 488 | TalkTalk Communications Limited | 19/01/2012 |
01724 489 | TalkTalk Communications Limited | 19/01/2012 |
01724 490 | Resilient PLC | 18/05/2012 |
01724 491 | Resilient PLC | 18/05/2012 |
01724 499 | Resilient PLC | 18/05/2012 |
01724 500 | BT | 07/06/2018 |
01724 501 | Club Communications Ltd | 21/09/2018 |
01724 502 | Sky UK Limited | 02/10/2018 |
01724 503 | Media Hawk Ltd | 26/10/2018 |
01724 504 | TalkTalk Communications Limited | 21/11/2018 |
01724 505 | KCOM Group Limited | 04/07/2019 |
01724 506 | BT | 25/11/2020 |
01724 507 | Sky UK Limited | 12/03/2021 |
01724 508 | Belgacom International Carrier Services SA | 21/10/2020 |
01724 509 | DIDWW Ireland Limited | 18/02/2021 |
01724 510 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01724 511 | Mi Telecom Limited | 06/07/2020 |
01724 512 | Orange Business Holdings UK Limited | 22/09/2021 |
01724 514 | Gamma Telecom Holdings Ltd | 20/01/2021 |
01724 520 | Lanonyx Telecom Limited | 10/08/2021 |
01724 524 | Colt Technology Services | 12/08/2021 |
01724 53 | Localphone Limited | 14/05/2007 |
01724 54 | Net-Work Internet Ltd | 21/09/2007 |
01724 55 | Voiceflex Limited | 27/09/2007 |
01724 57 | (AQ) LIMITED | 12/09/2012 |
01724 58 | Nationwide Telephone Assistance Ltd | 15/10/2007 |
01724 59 | VoIP-Un Limited | 01/11/2007 |
01724 600 | Nodemax Limited | 15/07/2008 |
01724 601 | TalkTalk Communications Limited | 14/02/2013 |
01724 602 | Solutios Limited | 25/11/2008 |
01724 604 | Served Up Limited | 13/10/2008 |
01724 605 | Digital Space Group Limited | 15/03/2016 |
01724 606 | Telecom2 Limited | 10/09/2009 |
01724 608 | Voxbone SA | 25/09/2008 |
01724 609 | IPV6 Limited | 06/02/2009 |
01724 610 | Mars Communications Limited | 06/02/2009 |
01724 611 | Andrews & Arnold (Numbers) Ltd | 27/03/2009 |
01724 612 | Invade International Ltd | 13/01/2016 |
01724 613 | Vectone Mobile Limited | 01/07/2009 |
01724 614 | Telecoms World PLC | 08/06/2009 |
01724 615 | CFL Communications Ltd | 15/07/2009 |
01724 616 | Nexus Telecommunications Limited | 30/09/2009 |
01724 617 | TeleWare Group PLC | 07/01/2010 |
01724 618 | GCI Network Solutions Ltd | 25/04/2017 |
01724 619 | WIGHTFIBRE LIMITED | 12/01/2010 |
01724 620 | I-NET COMMUNICATIONS GROUP PLC | 18/01/2010 |
01724 622 | Buzz Networks Limited | 01/03/2010 |
01724 623 | Digitech Solutions Global Limited | 27/04/2010 |
01724 624 | Atomstream Limited | 26/03/2010 |
01724 625 | Suretec Systems Ltd | 12/05/2010 |
01724 626 | New Call Telecom Ltd | 18/02/2015 |
01724 627 | Calltracks Limited | 23/09/2013 |
01724 628 | Windsor Telecom Ltd | 22/07/2010 |
01724 629 | Sky UK Limited | 21/06/2013 |
01724 631 | Numbergroup Utilities Ltd | 04/11/2010 |
01724 632 | Telephone Box Limited | 09/12/2010 |
01724 633 | Phone Co-Op Numbering Limited | 21/12/2010 |
01724 635 | IP Wholesale Limited | 01/06/2017 |
01724 636 | Invosys Limited | 17/05/2012 |
01724 637 | Nexbridge Communications Limited | 09/03/2012 |
01724 638 | Minotaur Telecom Limited | 31/01/2013 |
01724 639 | Sky UK Limited | 21/06/2013 |
01724 640 | TalkTalk Communications Limited | 18/02/2013 |
01724 641 | Media Hawk Ltd | 10/04/2013 |
01724 642 | Kalnet4U Ltd | 30/05/2013 |
01724 643 | iHub 2 Limited | 18/05/2016 |
01724 644 | Numbers Plus Ltd | 14/02/2013 |
01724 645 | Sky UK Limited | 18/02/2015 |
01724 646 | Redwood Technologies Ltd | 15/11/2018 |
01724 647 | Sky UK Limited | 15/08/2013 |
01724 648 | XoverX Ltd | 29/04/2013 |
01724 649 | Intrado Cloud Solutions Limited | 19/02/2013 |
01724 650 | I.T Communications Limited | 12/06/2017 |
01724 651 | Calltracks Limited | 19/06/2017 |
01724 652 | Entanet International Ltd | 12/12/2017 |
01724 653 | Telappliant Ltd | 05/04/2018 |
01724 654 | Fuse 2 Communications Ltd | 03/07/2017 |
01724 655 | Number Services Ltd. | 22/11/2018 |
01724 656 | IP Voice Networks Ltd | 20/09/2017 |
01724 657 | Zapappi Ltd | 05/01/2018 |
01724 658 | Dial 9 Communications Limited | 08/01/2020 |
01724 659 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 21/01/2020 |
01724 70 | Gamma Telecom Holdings Ltd | 08/04/2005 |
01724 71 | BT | 15/07/1994 |
01724 72 | BT | 15/07/1994 |
01724 73 | BT | 15/07/1994 |
01724 74 | BT | 21/09/1995 |
01724 75 | FleXtel Limited | 11/11/2005 |
01724 76 | BT | 15/07/1994 |
01724 773 | Digital Space Group Limited | 12/04/2016 |
01724 78 | BT | 15/07/1994 |
01724 79 | BT | 15/07/1994 |
01724 808 | VoiceHost Limited | 22/06/2010 |
01724 81 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 820 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 821 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 822 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 823 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 824 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 825 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 826 | Vodafone Ltd (C&W) | 10/09/2013 |
01724 83 | Barritel Limited | 23/06/2006 |
01724 84 | BT | 15/07/1994 |
01724 85 | BT | 15/07/1994 |
01724 86 | BT | 15/07/1994 |
01724 87 | BT | 15/07/1994 |
01724 88 | Vodafone Ltd (Energis) | 26/05/2006 |
01724 89 | Magrathea Telecommunications Limited | 24/09/2004 |