01773 00 | Mi Telecom Limited | 03/07/2020 |
01773 20 | Voiceflex Limited | 27/09/2007 |
01773 21 | (AQ) LIMITED | 26/09/2012 |
01773 23 | Nationwide Telephone Assistance Ltd | 15/10/2007 |
01773 24 | VoIP-Un Limited | 05/11/2007 |
01773 25 | AQL Wholesale Ltd | 27/12/2007 |
01773 267 | Digital Space Group Limited | 15/03/2016 |
01773 270 | TalkTalk Communications Limited | 14/02/2013 |
01773 271 | Vodafone Ltd (Energis) | 18/09/2008 |
01773 272 | Served Up Limited | 09/10/2008 |
01773 273 | Telecom2 Limited | 08/09/2009 |
01773 275 | Solutios Limited | 26/11/2008 |
01773 277 | Nodemax Limited | 17/07/2008 |
01773 278 | Voxbone SA | 25/09/2008 |
01773 279 | Sky UK Limited | 28/06/2013 |
01773 280 | Mars Communications Limited | 05/02/2009 |
01773 281 | IPV6 Limited | 13/02/2009 |
01773 282 | Andrews & Arnold (Numbers) Ltd | 02/04/2009 |
01773 283 | Invade International Ltd | 13/01/2016 |
01773 284 | Vectone Mobile Limited | 01/07/2009 |
01773 285 | CFL Communications Ltd | 17/07/2009 |
01773 286 | Telecoms World PLC | 23/06/2009 |
01773 287 | TalkTalk Communications Limited | 08/01/2015 |
01773 288 | Nexus Telecommunications Limited | 30/09/2009 |
01773 289 | GCI Network Solutions Ltd | 25/04/2017 |
01773 290 | Calltracks Limited | 23/09/2013 |
01773 291 | TeleWare Group PLC | 08/01/2010 |
01773 292 | Buzz Networks Limited | 01/03/2010 |
01773 293 | Atomstream Limited | 29/03/2010 |
01773 294 | Sky UK Limited | 28/06/2013 |
01773 295 | Numbergroup Utilities Ltd | 03/12/2010 |
01773 296 | Telephone Box Limited | 10/12/2010 |
01773 297 | Telappliant Ltd | 21/06/2010 |
01773 298 | Windsor Telecom Ltd | 22/07/2010 |
01773 299 | Suretec Systems Ltd | 13/05/2010 |
01773 30 | Gamma Telecom Holdings Ltd | 05/04/2004 |
01773 31 | Magrathea Telecommunications Limited | 24/09/2004 |
01773 330 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 331 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 332 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 333 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 334 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 335 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 336 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 348 | Vodafone Ltd (C&W) | 10/08/2015 |
01773 35 | Redcentric Solutions Limited | 05/06/2015 |
01773 367 | Spitfire Network Services Limited | 11/11/2011 |
01773 375 | Daisy Communications Ltd | 14/12/2011 |
01773 376 | Daisy Communications Ltd | 14/12/2011 |
01773 377 | Daisy Communications Ltd | 14/12/2011 |
01773 378 | Daisy Communications Ltd | 14/12/2011 |
01773 379 | Daisy Communications Ltd | 14/12/2011 |
01773 384 | Six Degrees Technology Group Limited | 01/04/2019 |
01773 39 | TelNG Limited | 28/02/2007 |
01773 401 | Phone Co-Op Numbering Limited | 23/12/2010 |
01773 403 | Invosys Limited | 15/02/2012 |
01773 404 | IP Wholesale Limited | 01/06/2017 |
01773 405 | Nexbridge Communications Limited | 09/03/2012 |
01773 407 | Node4 Ltd | 07/09/2011 |
01773 409 | Sky UK Limited | 28/06/2013 |
01773 410 | FleXtel Limited | 14/10/2011 |
01773 411 | Internexus Networks Limited | 22/11/2011 |
01773 412 | Hello Telecom (UK) Limited | 13/12/2011 |
01773 413 | Bicom Systems EURL | 01/03/2012 |
01773 415 | API Telecom Limited | 10/04/2012 |
01773 416 | ICC Networks Ltd | 17/04/2012 |
01773 417 | Inet Telecoms Ltd (Voipfone) | 18/10/2011 |
01773 418 | Sky UK Limited | 28/06/2013 |
01773 419 | Ziron Limited | 31/07/2012 |
01773 420 | IOVOX Limited | 03/07/2012 |
01773 421 | Invoco Ltd | 26/04/2012 |
01773 422 | Numbergroup Utilities Ltd | 29/04/2019 |
01773 423 | TalkTalk Communications Limited | 13/08/2012 |
01773 424 | Simwood eSMS Limited | 30/04/2012 |
01773 425 | Sky UK Limited | 28/06/2013 |
01773 426 | Intrado Cloud Solutions Limited | 15/01/2013 |
01773 427 | Minotaur Telecom Limited | 05/02/2013 |
01773 428 | Numbers Plus Ltd | 14/02/2013 |
01773 429 | Content Guru Limited | 11/10/2012 |
01773 430 | Media Hawk Ltd | 10/04/2013 |
01773 431 | Sky UK Limited | 28/06/2013 |
01773 432 | Kalnet4U Ltd | 30/05/2013 |
01773 433 | I-NET COMMUNICATIONS GROUP PLC | 05/07/2013 |
01773 434 | Sky UK Limited | 17/07/2013 |
01773 435 | Sky UK Limited | 17/07/2013 |
01773 436 | Sky UK Limited | 15/09/2014 |
01773 437 | Redwood Technologies Ltd | 15/11/2018 |
01773 438 | TalkTalk Communications Limited | 19/02/2013 |
01773 439 | XoverX Ltd | 29/04/2013 |
01773 440 | iHub 2 Limited | 18/05/2016 |
01773 441 | BT | 02/07/2014 |
01773 442 | Sky UK Limited | 19/05/2015 |
01773 443 | YayYay Limited | 24/04/2015 |
01773 444 | Resilient PLC | 19/05/2014 |
01773 445 | Affiniti Integrated Solutions Limited | 09/02/2015 |
01773 446 | Metronet (UK) Limited | 21/05/2019 |
01773 447 | Colt Technology Services | 05/05/2015 |
01773 448 | Sky UK Limited | 19/10/2015 |
01773 449 | Sky UK Limited | 19/10/2015 |
01773 451 | Alnitak GmbH | 26/10/2016 |
01773 452 | Adepteo Limited | 06/12/2016 |
01773 453 | Calltracks Limited | 12/01/2017 |
01773 454 | I.T Communications Limited | 21/10/2016 |
01773 456 | Number Services Ltd. | 22/11/2018 |
01773 458 | Fuse 2 Communications Ltd | 03/07/2017 |
01773 459 | Sky UK Limited | 25/08/2017 |
01773 460 | Orbtalk Limited | 01/12/2017 |
01773 461 | TalkTalk Communications Limited | 14/12/2017 |
01773 462 | BT | 13/08/2018 |
01773 463 | Sky UK Limited | 12/02/2019 |
01773 464 | IP Voice Networks Ltd | 28/09/2017 |
01773 465 | Dial 9 Communications Limited | 08/01/2020 |
01773 466 | Zapappi Ltd | 19/10/2017 |
01773 467 | TGL Services (UK) Ltd | 24/01/2018 |
01773 468 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 21/01/2020 |
01773 469 | Club Communications Ltd | 21/09/2018 |
01773 470 | DIDWW Ireland Limited | 29/06/2020 |
01773 471 | Sky UK Limited | 08/09/2020 |
01773 473 | BT | 23/09/2020 |
01773 474 | Colt Technology Services | 12/08/2021 |
01773 475 | BT | 19/10/2021 |
01773 476 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01773 477 | Colt Technology Services | 14/04/2020 |
01773 478 | Belgacom International Carrier Services SA | 24/04/2020 |
01773 480 | Lanonyx Telecom Limited | 10/08/2021 |
01773 482 | SiPalto Ltd | 17/06/2020 |
01773 483 | Gamma Telecom Holdings Ltd | 15/03/2021 |
01773 484 | ICUK Computing Services Limited | 05/06/2020 |
01773 500 | Linear Telecoms Limited | 18/10/2010 |
01773 51 | BT | 15/07/1994 |
01773 52 | BT | 15/07/1994 |
01773 53 | BT | 15/07/1994 |
01773 54 | BT | 15/07/1994 |
01773 55 | BT | 15/07/1994 |
01773 57 | BT | 15/07/1994 |
01773 58 | BT | 15/07/1994 |
01773 59 | BT | 15/07/1994 |
01773 60 | BT | 15/07/1994 |
01773 61 | Syntec Limited | 19/12/2005 |
01773 636 | GTT-EMEA LTD | 13/10/2021 |
01773 637 | GTT-EMEA LTD | 13/10/2021 |
01773 638 | GTT-EMEA LTD | 13/10/2021 |
01773 639 | GTT-EMEA LTD | 13/10/2021 |
01773 640 | Digitech Solutions Global Limited | 26/06/2012 |
01773 65 | TTNC Limited | 12/11/2013 |
01773 666 | VoiceHost Limited | 20/08/2010 |
01773 687 | TalkTalk Communications Limited | 20/01/2012 |
01773 688 | TalkTalk Communications Limited | 20/01/2012 |
01773 689 | TalkTalk Communications Limited | 20/01/2012 |
01773 69 | Localphone Limited | 14/05/2007 |
01773 700 | Inclarity Communications Limited | 09/11/2012 |
01773 701 | Inclarity Communications Limited | 09/11/2012 |
01773 702 | Inclarity Communications Limited | 09/11/2012 |
01773 705 | Inclarity Communications Limited | 09/11/2012 |
01773 71 | BT | 15/07/1994 |
01773 72 | BT | 15/07/1994 |
01773 730 | Affiniti Integrated Solutions Limited | 05/05/2000 |
01773 731 | Affiniti Integrated Solutions Limited | 05/05/2000 |
01773 732 | Affiniti Integrated Solutions Limited | 05/05/2000 |
01773 733 | Affiniti Integrated Solutions Limited | 05/05/2000 |
01773 734 | Affiniti Integrated Solutions Limited | 05/05/2000 |
01773 737 | KCOM Group Limited | 10/06/2021 |
01773 74 | BT | 15/07/1994 |
01773 75 | Vodafone Ltd (Thus) | 25/01/2012 |
01773 76 | BT | 15/07/1994 |
01773 77 | Virgin Media Limited | 03/09/1998 |
01773 780 | Virgin Media Limited | 27/07/2012 |
01773 781 | Virgin Media Limited | 27/07/2012 |
01773 782 | Virgin Media Limited | 27/07/2012 |
01773 783 | Virgin Media Limited | 27/07/2012 |
01773 784 | Virgin Media Limited | 27/07/2012 |
01773 785 | Virgin Media Limited | 27/07/2012 |
01773 786 | Virgin Media Limited | 27/07/2012 |
01773 787 | Virgin Media Limited | 27/07/2012 |
01773 788 | Virgin Media Limited | 27/07/2012 |
01773 789 | Virgin Media Limited | 27/07/2012 |
01773 79 | GCI Network Solutions Ltd | 02/05/2017 |
01773 80 | Barritel Limited | 12/06/2007 |
01773 81 | BT | 15/07/1994 |
01773 82 | BT | 15/07/1994 |
01773 83 | BT | 15/07/1994 |
01773 84 | Vodafone Ltd (C&W) | 11/09/2013 |
01773 85 | BT | 15/07/1994 |
01773 86 | BT | 15/07/1994 |
01773 87 | BT | 15/07/1994 |
01773 88 | BT | 15/07/1994 |
01773 89 | Net-Work Internet Ltd | 21/09/2007 |