01670 200 | Bicom Systems EURL | 01/03/2012 |
01670 201 | Invoco Ltd | 03/04/2012 |
01670 202 | VoiceHost Limited | 20/08/2010 |
01670 203 | API Telecom Limited | 05/04/2012 |
01670 204 | ICC Networks Ltd | 16/04/2012 |
01670 205 | Orbtalk Limited | 24/04/2012 |
01670 206 | ICC Networks Ltd | 18/04/2012 |
01670 207 | TalkTalk Communications Limited | 21/05/2012 |
01670 208 | IOVOX Limited | 04/07/2012 |
01670 209 | Simwood eSMS Limited | 26/04/2012 |
01670 21 | FleXtel Limited | 23/11/2005 |
01670 22 | Sky UK Limited | 01/07/2013 |
01670 231 | Sky UK Limited | 19/06/2015 |
01670 232 | Sky UK Limited | 09/11/2015 |
01670 233 | Sky UK Limited | 09/11/2015 |
01670 234 | I.T Communications Limited | 01/02/2016 |
01670 236 | Adepteo Limited | 06/12/2016 |
01670 237 | Virgin Media Limited | 03/03/2017 |
01670 238 | TalkTalk Communications Limited | 03/07/2017 |
01670 24 | TelNG Limited | 28/02/2007 |
01670 26 | Verizon UK Limited | 18/04/2007 |
01670 279 | Vodafone Ltd (Thus) | 24/01/2012 |
01670 280 | Digitech Solutions Global Limited | 26/06/2012 |
01670 281 | Club Communications Ltd | 31/07/2018 |
01670 282 | IP Voice Networks Ltd | 20/09/2017 |
01670 283 | Zapappi Ltd | 05/01/2018 |
01670 284 | Colt Technology Services | 04/06/2018 |
01670 285 | Sky UK Limited | 30/08/2018 |
01670 286 | TalkTalk Communications Limited | 22/03/2019 |
01670 287 | Fuse 2 Communications Ltd | 03/07/2017 |
01670 288 | Number Services Ltd. | 22/11/2018 |
01670 289 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01670 29 | Voiceflex Limited | 27/09/2007 |
01670 30 | Localphone Limited | 10/05/2007 |
01670 31 | TGL Services (UK) Ltd | 02/02/2015 |
01670 32 | VoIP-Un Limited | 01/11/2007 |
01670 33 | Gamma Telecom Holdings Ltd | 15/03/2005 |
01670 340 | Linear Telecoms Limited | 14/10/2010 |
01670 341 | DIDWW Ireland Limited | 27/01/2020 |
01670 342 | Sky UK Limited | 03/03/2020 |
01670 343 | BT | 24/08/2020 |
01670 344 | Mi Telecom Limited | 03/07/2020 |
01670 345 | Dial 9 Communications Limited | 10/12/2019 |
01670 346 | Colt Technology Services | 26/10/2020 |
01670 347 | Sky UK Limited | 23/12/2020 |
01670 348 | Belgacom International Carrier Services SA | 09/04/2020 |
01670 35 | BT | 15/07/1994 |
01670 36 | BT | 15/07/1994 |
01670 380 | Lumen Technologies UK Limited | 17/09/2003 |
01670 381 | Lumen Technologies UK Limited | 17/09/2003 |
01670 382 | Lumen Technologies UK Limited | 17/09/2003 |
01670 383 | Lumen Technologies UK Limited | 17/09/2003 |
01670 389 | Lumen Technologies UK Limited | 17/09/2003 |
01670 39 | BT | 15/07/1994 |
01670 40 | Barritel Limited | 26/06/2007 |
01670 41 | (AQ) LIMITED | 12/09/2012 |
01670 42 | Redcentric Solutions Limited | 05/06/2015 |
01670 43 | AQL Wholesale Ltd | 21/12/2007 |
01670 457 | TalkTalk Communications Limited | 20/01/2012 |
01670 458 | TalkTalk Communications Limited | 20/01/2012 |
01670 459 | TalkTalk Communications Limited | 20/01/2012 |
01670 460 | Telecom2 Limited | 08/09/2009 |
01670 461 | Nodemax Limited | 09/07/2008 |
01670 462 | TalkTalk Communications Limited | 13/02/2013 |
01670 465 | Solutios Limited | 20/11/2008 |
01670 466 | Net-Work Internet Ltd | 23/06/2008 |
01670 467 | Served Up Limited | 13/10/2008 |
01670 468 | Voxbone SA | 24/09/2008 |
01670 469 | Mars Communications Limited | 05/02/2009 |
01670 477 | Spitfire Network Services Limited | 11/11/2011 |
01670 480 | IPV6 Limited | 13/02/2009 |
01670 481 | Invade International Ltd | 12/01/2016 |
01670 482 | Vectone Mobile Limited | 01/07/2009 |
01670 483 | Telecoms World PLC | 09/06/2009 |
01670 484 | Andrews & Arnold (Numbers) Ltd | 30/03/2009 |
01670 485 | CFL Communications Ltd | 14/07/2009 |
01670 487 | Nexus Telecommunications Limited | 30/09/2009 |
01670 488 | GCI Network Solutions Ltd | 25/04/2017 |
01670 489 | TeleWare Group PLC | 07/01/2010 |
01670 497 | Digital Space Group Limited | 15/03/2016 |
01670 50 | BT | 15/07/1994 |
01670 51 | BT | 15/07/1994 |
01670 52 | BT | 15/07/1994 |
01670 53 | BT | 15/07/1994 |
01670 54 | BT | 15/07/1994 |
01670 55 | Vodafone Ltd (Energis) | 26/05/2006 |
01670 56 | Vodafone Ltd (C&W) | 09/09/2013 |
01670 570 | Inclarity Communications Limited | 08/11/2012 |
01670 571 | Inclarity Communications Limited | 08/11/2012 |
01670 572 | Inclarity Communications Limited | 08/11/2012 |
01670 575 | Inclarity Communications Limited | 08/11/2012 |
01670 580 | Six Degrees Technology Group Limited | 03/04/2020 |
01670 584 | Six Degrees Technology Group Limited | 03/04/2020 |
01670 59 | BT | 15/07/1994 |
01670 600 | Suretec Systems Ltd | 06/05/2010 |
01670 601 | Calltracks Limited | 23/09/2013 |
01670 602 | Atomstream Limited | 26/03/2010 |
01670 603 | Core Telecom Limited | 06/08/2010 |
01670 604 | Windsor Telecom Ltd | 22/07/2010 |
01670 606 | Telephone Box Limited | 09/12/2010 |
01670 607 | Phone Co-Op Numbering Limited | 23/12/2010 |
01670 609 | Invosys Limited | 17/05/2012 |
01670 610 | Nexbridge Communications Limited | 09/03/2012 |
01670 611 | IP Wholesale Limited | 01/06/2017 |
01670 612 | Numbergroup Utilities Ltd | 28/09/2011 |
01670 613 | Colt Technology Services | 20/10/2011 |
01670 614 | Internexus Networks Limited | 22/11/2011 |
01670 615 | Hello Telecom (UK) Limited | 12/12/2011 |
01670 618 | Inet Telecoms Ltd (Voipfone) | 17/10/2011 |
01670 620 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 621 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 622 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 623 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 624 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 625 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 626 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 627 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 628 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 629 | Gamma Telecom Holdings Ltd | 06/09/2011 |
01670 630 | Redwood Technologies Ltd | 15/11/2018 |
01670 631 | TalkTalk Communications Limited | 07/03/2014 |
01670 632 | TalkTalk Communications Limited | 20/06/2014 |
01670 633 | iHub 2 Limited | 18/05/2016 |
01670 634 | Resilient PLC | 14/05/2014 |
01670 635 | Metronet (UK) Limited | 21/05/2019 |
01670 636 | Affiniti Integrated Solutions Limited | 09/02/2015 |
01670 637 | Sky UK Limited | 21/08/2013 |
01670 638 | Sky UK Limited | 21/08/2013 |
01670 639 | YayYay Limited | 24/04/2015 |
01670 640 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01670 641 | BT | 11/03/2021 |
01670 644 | Gamma Telecom Holdings Ltd | 22/09/2021 |
01670 645 | SiPalto Ltd | 17/06/2020 |
01670 646 | ICUK Computing Services Limited | 05/06/2020 |
01670 70 | BT | 15/07/1994 |
01670 71 | BT | 15/07/1994 |
01670 72 | GCI Network Solutions Ltd | 26/04/2017 |
01670 73 | BT | 15/07/1994 |
01670 75 | Affiniti Integrated Solutions Limited | 15/01/2004 |
01670 76 | BT | 15/07/1994 |
01670 77 | BT | 15/07/1994 |
01670 78 | BT | 15/07/1994 |
01670 79 | BT | 15/07/1994 |
01670 80 | TTNC Limited | 12/11/2013 |
01670 81 | BT | 15/07/1994 |
01670 82 | BT | 15/07/1994 |
01670 83 | Syntec Limited | 16/12/2005 |
01670 84 | BT | 15/07/1994 |
01670 85 | BT | 15/07/1994 |
01670 86 | BT | 15/07/1994 |
01670 87 | Nationwide Telephone Assistance Ltd | 12/10/2007 |
01670 89 | Magrathea Telecommunications Limited | 24/09/2004 |
01670 940 | Ziron Limited | 31/07/2012 |
01670 941 | Content Guru Limited | 12/10/2012 |
01670 942 | Media Hawk Ltd | 10/04/2013 |
01670 943 | Kalnet4U Ltd | 30/05/2013 |
01670 945 | Minotaur Telecom Limited | 01/02/2013 |
01670 946 | TalkTalk Communications Limited | 19/08/2013 |
01670 947 | I-NET COMMUNICATIONS GROUP PLC | 03/07/2013 |
01670 948 | XoverX Ltd | 30/04/2013 |
01670 949 | Intrado Cloud Solutions Limited | 15/01/2013 |