01978 20 | BT | 15/07/1994 |
01978 21 | Vodafone Ltd (Energis) | 26/05/2006 |
01978 22 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 230 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 231 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 232 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 233 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 234 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 235 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 236 | Vodafone Ltd (C&W) | 09/09/2013 |
01978 24 | Redcentric Solutions Limited | 05/06/2015 |
01978 250 | Linear Telecoms Limited | 19/10/2010 |
01978 251 | API Telecom Limited | 19/04/2012 |
01978 252 | Ziron Limited | 01/08/2012 |
01978 253 | TalkTalk Communications Limited | 13/08/2012 |
01978 254 | Simwood eSMS Limited | 26/04/2012 |
01978 255 | IOVOX Limited | 04/07/2012 |
01978 257 | Sky UK Limited | 25/06/2013 |
01978 258 | ICC Networks Ltd | 18/04/2012 |
01978 259 | Content Guru Limited | 10/10/2012 |
01978 26 | BT | 15/07/1994 |
01978 28 | AQL Wholesale Ltd | 01/11/2004 |
01978 29 | BT | 15/07/1994 |
01978 30 | Digital Space Group Limited | 12/04/2016 |
01978 31 | BT | 15/07/1994 |
01978 325 | Virgin Media Limited | 29/06/2012 |
01978 326 | Virgin Media Limited | 29/06/2012 |
01978 327 | Virgin Media Limited | 29/06/2012 |
01978 328 | Virgin Media Limited | 29/06/2012 |
01978 329 | Virgin Media Limited | 29/06/2012 |
01978 33 | GCI Network Solutions Ltd | 02/05/2017 |
01978 34 | BT | 07/03/1997 |
01978 35 | BT | 15/07/1994 |
01978 36 | BT | 15/07/1994 |
01978 37 | Syntec Limited | 22/11/2005 |
01978 39 | FleXtel Limited | 31/10/2005 |
01978 41 | TelNG Limited | 01/03/2007 |
01978 420 | (AQ) LIMITED | 28/09/2012 |
01978 421 | TalkTalk Communications Limited | 13/02/2013 |
01978 422 | Telecom2 Limited | 14/09/2009 |
01978 423 | Voiceflex Limited | 27/09/2007 |
01978 425 | Solutios Limited | 27/11/2008 |
01978 426 | Telecom2 Limited | 10/09/2009 |
01978 427 | Entanet International Ltd | 20/12/2007 |
01978 428 | Digital Space Group Limited | 09/06/2008 |
01978 429 | Nexus Telecommunications Limited | 07/10/2009 |
01978 430 | VoIP-Un Limited | 07/11/2007 |
01978 431 | Telecoms World PLC | 02/07/2009 |
01978 432 | Invade International Ltd | 13/01/2016 |
01978 433 | Mars Communications Limited | 19/02/2009 |
01978 434 | TelXL Ltd | 12/02/2008 |
01978 435 | Verizon UK Limited | 09/11/2009 |
01978 436 | Buzz Networks Limited | 04/03/2010 |
01978 437 | Inet Telecoms Ltd (Voipfone) | 17/11/2008 |
01978 438 | Voxbone SA | 30/09/2008 |
01978 439 | Sky UK Limited | 25/06/2013 |
01978 447 | TalkTalk Communications Limited | 19/01/2012 |
01978 448 | TalkTalk Communications Limited | 19/01/2012 |
01978 449 | TalkTalk Communications Limited | 19/01/2012 |
01978 450 | Localphone Limited | 23/05/2007 |
01978 453 | Atomstream Limited | 14/04/2010 |
01978 454 | Suretec Systems Ltd | 14/05/2010 |
01978 455 | Andrews & Arnold (Numbers) Ltd | 15/04/2009 |
01978 457 | I-NET COMMUNICATIONS GROUP PLC | 14/01/2010 |
01978 458 | Calltracks Limited | 20/09/2013 |
01978 459 | Core Telecom Limited | 06/08/2010 |
01978 460 | IPV6 Limited | 13/02/2009 |
01978 461 | Telephone Box Limited | 23/11/2010 |
01978 463 | Phone Co-Op Numbering Limited | 23/12/2010 |
01978 464 | Invosys Limited | 10/04/2012 |
01978 466 | Served Up Limited | 20/10/2008 |
01978 467 | Telappliant Ltd | 29/06/2010 |
01978 468 | VoiceHost Limited | 06/10/2010 |
01978 469 | Sky UK Limited | 25/06/2013 |
01978 477 | Spitfire Network Services Limited | 14/11/2011 |
01978 48 | TTNC Limited | 14/11/2013 |
01978 490 | Resilient PLC | 18/05/2012 |
01978 491 | Resilient PLC | 18/05/2012 |
01978 499 | Resilient PLC | 18/05/2012 |
01978 500 | AVC One Limited | 12/02/2014 |
01978 501 | TalkTalk Communications Limited | 18/02/2013 |
01978 502 | Sky UK Limited | 25/06/2013 |
01978 503 | Media Hawk Ltd | 10/04/2013 |
01978 504 | Kalnet4U Ltd | 06/06/2013 |
01978 505 | Intrado Cloud Solutions Limited | 15/01/2013 |
01978 507 | iHub 2 Limited | 18/05/2016 |
01978 508 | Sky UK Limited | 15/08/2013 |
01978 509 | XoverX Ltd | 26/04/2013 |
01978 510 | YayYay Limited | 24/04/2015 |
01978 511 | Redwood Technologies Ltd | 15/11/2018 |
01978 512 | TalkTalk Communications Limited | 31/07/2014 |
01978 513 | Sky UK Limited | 16/12/2014 |
01978 514 | Metronet (UK) Limited | 21/05/2019 |
01978 515 | Colt Technology Services | 17/04/2015 |
01978 516 | Metronet (UK) Limited | 21/05/2019 |
01978 517 | Sky UK Limited | 22/09/2015 |
01978 518 | Redwood Technologies Ltd | 15/11/2018 |
01978 520 | Redwood Technologies Ltd | 15/11/2018 |
01978 521 | Sky UK Limited | 23/09/2016 |
01978 523 | Lumen Technologies UK Limited | 14/09/2016 |
01978 524 | Adepteo Limited | 29/11/2016 |
01978 525 | I.T Communications Limited | 09/11/2015 |
01978 526 | Callitech Limited | 27/03/2017 |
01978 528 | Redwood Technologies Ltd | 15/11/2018 |
01978 529 | Alnitak GmbH | 20/09/2017 |
01978 530 | Orange Business Holdings UK Limited | 04/03/2019 |
01978 531 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 27/01/2020 |
01978 532 | BT | 22/07/2020 |
01978 534 | Sky UK Limited | 08/09/2020 |
01978 535 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01978 536 | BT | 26/08/2021 |
01978 539 | Lanonyx Telecom Limited | 10/08/2021 |
01978 540 | Dial 9 Communications Limited | 08/01/2020 |
01978 543 | SiPalto Ltd | 06/07/2020 |
01978 544 | ICUK Computing Services Limited | 12/08/2019 |
01978 545 | Mi Telecom Limited | 06/07/2020 |
01978 548 | Colt Technology Services | 24/04/2020 |
01978 590 | Number Services Ltd. | 22/11/2018 |
01978 591 | Fuse 2 Communications Ltd | 03/07/2017 |
01978 592 | TalkTalk Communications Limited | 23/10/2017 |
01978 593 | Orbtalk Limited | 01/12/2017 |
01978 594 | Club Communications Ltd | 13/08/2018 |
01978 595 | IP Voice Networks Ltd | 20/09/2017 |
01978 596 | DIDWW Ireland Limited | 22/01/2019 |
01978 597 | Zapappi Ltd | 19/10/2017 |
01978 598 | Redwood Technologies Ltd | 15/11/2018 |
01978 600 | Invoco Ltd | 22/09/2010 |
01978 613 | Digital Space Group Limited | 12/04/2016 |
01978 62 | Barritel Limited | 27/06/2006 |
01978 630 | Optify Mediaforce Limited | 14/05/2009 |
01978 631 | IP Wholesale Limited | 01/06/2017 |
01978 633 | Nodemax Limited | 14/07/2008 |
01978 636 | CFL Communications Ltd | 21/07/2009 |
01978 637 | Internexus Networks Limited | 22/11/2011 |
01978 638 | Nexbridge Communications Limited | 12/03/2012 |
01978 639 | Sky UK Limited | 25/06/2013 |
01978 640 | Digitech Solutions Global Limited | 26/06/2012 |
01978 650 | Six Degrees Technology Group Limited | |
01978 651 | Six Degrees Technology Group Limited | |
01978 652 | Six Degrees Technology Group Limited | |
01978 653 | Six Degrees Technology Group Limited | |
01978 654 | Six Degrees Technology Group Limited | |
01978 656 | Six Degrees Technology Group Limited | |
01978 657 | Six Degrees Technology Group Limited | |
01978 658 | Six Degrees Technology Group Limited | |
01978 659 | Six Degrees Technology Group Limited | |
01978 66 | BT | 15/07/1994 |
01978 690 | Windsor Telecom Ltd | 22/07/2010 |
01978 691 | Numbergroup Utilities Ltd | 15/11/2010 |
01978 692 | Hello Telecom (UK) Limited | 03/02/2012 |
01978 693 | Tuxtel Ltd | 21/12/2011 |
01978 694 | Bicom Systems EURL | 01/03/2012 |
01978 695 | Minotaur Telecom Limited | 06/02/2013 |
01978 696 | Net-Work Internet Ltd | 21/09/2007 |
01978 697 | Digital Space Group Limited | 15/03/2016 |
01978 699 | Nationwide Telephone Assistance Ltd | 22/10/2007 |
01978 70 | TGL Services (UK) Ltd | 02/02/2015 |
01978 71 | BT | 15/07/1994 |
01978 72 | BT | 15/07/1994 |
01978 740 | Inclarity Communications Limited | 08/11/2012 |
01978 741 | Inclarity Communications Limited | 08/11/2012 |
01978 742 | Inclarity Communications Limited | 08/11/2012 |
01978 745 | Inclarity Communications Limited | 08/11/2012 |
01978 75 | BT | 15/07/1994 |
01978 76 | BT | 15/07/1994 |
01978 770 | Vodafone Ltd (Thus) | 26/01/2012 |
01978 771 | Vodafone Ltd (Thus) | 19/07/2013 |
01978 772 | Vodafone Ltd (Thus) | 09/10/2014 |
01978 773 | Vodafone Ltd (Thus) | 09/10/2014 |
01978 774 | Vodafone Ltd (Thus) | 26/01/2012 |
01978 775 | Vodafone Ltd (Thus) | 26/01/2012 |
01978 776 | Vodafone Ltd (Thus) | 26/10/2015 |
01978 777 | Vodafone Ltd (Thus) | 26/10/2015 |
01978 778 | Vodafone Ltd (Thus) | 26/10/2015 |
01978 779 | Vodafone Ltd (Thus) | 26/01/2012 |
01978 78 | BT | 15/07/1994 |
01978 79 | BT | 15/07/1994 |
01978 80 | Gamma Telecom Holdings Ltd | 04/03/2005 |
01978 81 | BT | 15/07/1994 |
01978 82 | BT | 15/07/1994 |
01978 83 | BT | 15/07/1994 |
01978 84 | BT | 15/07/1994 |
01978 85 | BT | 15/07/1994 |
01978 86 | BT | 15/07/1994 |
01978 879 | Vodafone Ltd (C&W) | 10/08/2015 |
01978 88 | Affiniti Integrated Solutions Limited | 07/08/2000 |
01978 89 | Magrathea Telecommunications Limited | 24/09/2004 |