01606 20 | TelNG Limited | 28/02/2007 |
01606 210 | Voiceflex Limited | 27/09/2007 |
01606 211 | (AQ) LIMITED | 12/09/2012 |
01606 212 | TalkTalk Communications Limited | 28/09/2007 |
01606 213 | VoIP-Un Limited | 01/11/2007 |
01606 214 | Digital Space Group Limited | 15/03/2016 |
01606 215 | TalkTalk Communications Limited | 26/11/2009 |
01606 216 | Telecom2 Limited | 10/09/2009 |
01606 217 | Invade International Ltd | 12/01/2016 |
01606 218 | Voxbone SA | 23/09/2008 |
01606 219 | Vectone Mobile Limited | 01/07/2009 |
01606 220 | Nodemax Limited | 14/07/2008 |
01606 221 | CFL Communications Ltd | 14/07/2009 |
01606 222 | Barritel Limited | 22/06/2007 |
01606 223 | Solutios Limited | 04/11/2008 |
01606 224 | Nexus Telecommunications Limited | 28/09/2009 |
01606 225 | GCI Network Solutions Ltd | 25/04/2017 |
01606 226 | I-NET COMMUNICATIONS GROUP PLC | 13/01/2010 |
01606 227 | TalkTalk Communications Limited | 16/02/2010 |
01606 228 | Digital Space Group Limited | 16/05/2008 |
01606 229 | Telecoms World PLC | 28/04/2009 |
01606 240 | Andrews & Arnold (Numbers) Ltd | 23/03/2009 |
01606 241 | Buzz Networks Limited | 01/03/2010 |
01606 243 | Atomstream Limited | 24/03/2010 |
01606 244 | Served Up Limited | 16/10/2008 |
01606 246 | Sky UK Limited | 02/07/2013 |
01606 247 | Suretec Systems Ltd | 06/05/2010 |
01606 248 | Calltracks Limited | 23/09/2013 |
01606 249 | Core Telecom Limited | 06/08/2010 |
01606 250 | Mars Communications Limited | 05/02/2009 |
01606 251 | Simwood eSMS Limited | 09/08/2010 |
01606 252 | Sky UK Limited | 23/10/2014 |
01606 254 | VoiceHost Limited | 05/10/2010 |
01606 256 | IPV6 Limited | 06/02/2009 |
01606 257 | Digitech Solutions Global Limited | 27/04/2010 |
01606 258 | Telephone Box Limited | 14/12/2010 |
01606 259 | Sky UK Limited | 02/07/2013 |
01606 260 | Localphone Limited | 10/05/2007 |
01606 261 | Windsor Telecom Ltd | 22/07/2010 |
01606 262 | Net-Work Internet Ltd | 31/12/2007 |
01606 263 | Telappliant Ltd | 21/06/2010 |
01606 264 | Numbergroup Utilities Ltd | 15/11/2010 |
01606 265 | TelXL Ltd | 12/02/2008 |
01606 269 | Nationwide Telephone Assistance Ltd | 12/10/2007 |
01606 270 | Sky UK Limited | 09/08/2013 |
01606 271 | Vodafone Ltd (C&W) | 04/07/2018 |
01606 272 | BT | 09/10/2013 |
01606 273 | iHub 2 Limited | 18/05/2016 |
01606 274 | Vodafone Ltd (C&W) | 04/07/2018 |
01606 275 | Vodafone Ltd (C&W) | 04/07/2018 |
01606 276 | Redwood Technologies Ltd | 15/11/2018 |
01606 277 | Kalnet4U Ltd | 13/12/2013 |
01606 278 | TalkTalk Communications Limited | 10/11/2014 |
01606 279 | Vodafone Ltd (C&W) | 10/08/2015 |
01606 288 | Vodafone Ltd (C&W) | 04/07/2018 |
01606 289 | Vodafone Ltd (C&W) | 04/07/2018 |
01606 290 | Resilient PLC | 12/09/2011 |
01606 299 | Resilient PLC | 12/09/2011 |
01606 30 | BT | 15/07/1994 |
01606 31 | BT | 15/07/1994 |
01606 320 | Lumen Technologies UK Limited | 25/07/2011 |
01606 323 | Lumen Technologies UK Limited | 25/07/2011 |
01606 324 | Lumen Technologies UK Limited | 25/07/2011 |
01606 329 | Lumen Technologies UK Limited | 25/07/2011 |
01606 33 | BT | 15/07/1994 |
01606 35 | BT | 15/07/1994 |
01606 361 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01606 362 | Gamma Telecom Holdings Ltd | 10/06/2021 |
01606 363 | Gamma Telecom Holdings Ltd | 10/06/2021 |
01606 364 | Gamma Telecom Holdings Ltd | 10/06/2021 |
01606 365 | Gamma Telecom Holdings Ltd | 10/06/2021 |
01606 366 | Gamma Telecom Holdings Ltd | 10/06/2021 |
01606 367 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01606 368 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01606 369 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01606 374 | Six Degrees Technology Group Limited | 01/04/2019 |
01606 39 | Redcentric Solutions Limited | 05/06/2015 |
01606 40 | BT | 15/07/1994 |
01606 41 | BT | 15/07/1994 |
01606 42 | BT | 15/07/1994 |
01606 43 | BT | 15/07/1994 |
01606 44 | BT | 15/07/1994 |
01606 45 | BT | 15/07/1994 |
01606 46 | BT | 15/07/1994 |
01606 47 | BT | 15/07/1994 |
01606 48 | BT | 15/07/1994 |
01606 49 | BT | 15/07/1994 |
01606 505 | Vodafone Ltd (Thus) | 27/09/2013 |
01606 506 | Vodafone Ltd (Thus) | 09/01/2012 |
01606 509 | Vodafone Ltd (Thus) | 09/01/2012 |
01606 510 | Vodafone Ltd (C&W) | 28/03/2017 |
01606 511 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 21/01/2020 |
01606 512 | DIDWW Ireland Limited | 27/01/2020 |
01606 513 | Sky UK Limited | 03/03/2020 |
01606 514 | BT | 01/05/2020 |
01606 515 | Dial 9 Communications Limited | 10/12/2019 |
01606 516 | BT | 25/11/2020 |
01606 517 | Lanonyx Telecom Limited | 10/08/2021 |
01606 518 | Vodafone Ltd (C&W) | 10/08/2015 |
01606 519 | Vodafone Ltd (C&W) | 28/03/2017 |
01606 520 | Inclarity Communications Limited | 08/11/2012 |
01606 521 | Inclarity Communications Limited | 08/11/2012 |
01606 522 | Inclarity Communications Limited | 08/11/2012 |
01606 523 | Inclarity Communications Limited | 08/11/2012 |
01606 525 | Inclarity Communications Limited | 08/11/2012 |
01606 530 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 531 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 532 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 533 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 535 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 536 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 537 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 538 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 539 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01606 54 | BT | 15/07/1994 |
01606 55 | BT | 15/07/1994 |
01606 56 | Vodafone Ltd (C&W) | 06/09/2013 |
01606 57 | GCI Network Solutions Ltd | 02/05/2017 |
01606 59 | BT | 15/07/1994 |
01606 601 | Invosys Limited | 14/02/2012 |
01606 602 | IP Wholesale Limited | 01/06/2017 |
01606 603 | Vodafone Ltd (C&W) | 06/09/2013 |
01606 604 | Nexbridge Communications Limited | 08/03/2012 |
01606 605 | Orbtalk Limited | 07/02/2012 |
01606 606 | TalkTalk Communications Limited | 12/02/2013 |
01606 608 | Media Hawk Ltd | 26/09/2011 |
01606 610 | Inet Telecoms Ltd (Voipfone) | 17/10/2011 |
01606 611 | Hello Telecom (UK) Limited | 17/11/2011 |
01606 612 | Internexus Networks Limited | 21/11/2011 |
01606 613 | Invoco Ltd | 29/02/2012 |
01606 614 | Invoco Ltd | 02/11/2011 |
01606 615 | Orbtalk Limited | 07/02/2012 |
01606 617 | Bicom Systems EURL | 01/03/2012 |
01606 618 | API Telecom Limited | 05/04/2012 |
01606 619 | Sky UK Limited | 03/12/2013 |
01606 620 | Sky UK Limited | 02/07/2013 |
01606 621 | Ziron Limited | 30/07/2012 |
01606 622 | IOVOX Limited | 03/07/2012 |
01606 623 | Content Guru Limited | 12/10/2012 |
01606 624 | TalkTalk Communications Limited | 20/11/2012 |
01606 625 | Sky UK Limited | 02/07/2013 |
01606 627 | Minotaur Telecom Limited | 05/02/2013 |
01606 628 | ICC Networks Ltd | 17/04/2012 |
01606 629 | Intrado Cloud Solutions Limited | 19/02/2013 |
01606 631 | Sky UK Limited | 24/07/2015 |
01606 633 | YayYay Limited | 24/04/2015 |
01606 634 | Belgacom International Carrier Services SA | 20/06/2016 |
01606 636 | Colt Technology Services | 05/05/2015 |
01606 637 | Sky UK Limited | 10/06/2016 |
01606 639 | Metronet (UK) Limited | 21/05/2019 |
01606 640 | Number Services Ltd. | 22/11/2018 |
01606 641 | Virgin Media Limited | 03/03/2017 |
01606 642 | Sky UK Limited | 08/06/2017 |
01606 643 | I.T Communications Limited | 25/04/2017 |
01606 644 | Alnitak GmbH | 03/03/2017 |
01606 645 | IP Voice Networks Ltd | 20/09/2017 |
01606 646 | Adepteo Limited | 17/01/2017 |
01606 647 | NFON UK Ltd | 20/09/2017 |
01606 648 | Entanet International Ltd | 12/12/2017 |
01606 649 | Fuse 2 Communications Ltd | 03/07/2017 |
01606 650 | Zapappi Ltd | 05/01/2018 |
01606 651 | Virgin Media Limited | 20/12/2017 |
01606 652 | TalkTalk Communications Limited | 13/04/2018 |
01606 653 | Club Communications Ltd | 31/07/2018 |
01606 654 | Colt Technology Services | 29/08/2019 |
01606 655 | BT | 12/02/2019 |
01606 656 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01606 657 | Sky UK Limited | 22/09/2021 |
01606 660 | SiPalto Ltd | 05/11/2019 |
01606 663 | Gamma Telecom Holdings Ltd | 08/02/2021 |
01606 664 | Gamma Telecom Holdings Ltd | 05/07/2021 |
01606 666 | Mi Telecom Limited | 03/07/2020 |
01606 668 | Gamma Telecom Holdings Ltd | 08/09/2020 |
01606 669 | ICUK Computing Services Limited | 05/06/2020 |
01606 70 | BT | 15/07/1994 |
01606 717 | Spitfire Network Services Limited | 21/07/2011 |
01606 72 | BT | 15/07/1994 |
01606 73 | BT | 15/07/1994 |
01606 74 | BT | 15/07/1994 |
01606 75 | BT | 15/07/1994 |
01606 76 | BT | 15/07/1994 |
01606 77 | BT | 15/07/1994 |
01606 78 | BT | 15/07/1994 |
01606 79 | BT | 15/07/1994 |
01606 80 | AQL Wholesale Ltd | 01/11/2004 |
01606 81 | BT | 15/07/1994 |
01606 820 | Magrathea Telecommunications Limited | 17/11/2011 |
01606 821 | Magrathea Telecommunications Limited | 17/11/2011 |
01606 822 | Magrathea Telecommunications Limited | 17/11/2011 |
01606 827 | Magrathea Telecommunications Limited | 17/11/2011 |
01606 828 | Magrathea Telecommunications Limited | 17/11/2011 |
01606 829 | Magrathea Telecommunications Limited | 17/11/2011 |
01606 83 | BT | 15/07/1994 |
01606 84 | BT | 19/05/1999 |
01606 85 | BT | 15/07/1994 |
01606 86 | BT | 15/07/1994 |
01606 87 | BT | 03/07/2000 |
01606 88 | BT | 15/07/1994 |
01606 89 | BT | 15/07/1994 |
01606 900 | Linear Telecoms Limited | 14/10/2010 |
01606 91 | Syntec Limited | 01/11/2005 |
01606 95 | FleXtel Limited | 21/10/2005 |
01606 96 | IV Response Limited | 25/07/2005 |
01606 973 | Digital Space Group Limited | 12/04/2016 |
01606 98 | TTNC Limited | 12/11/2013 |