01278 20 | TelNG Limited | 26/02/2007 |
01278 21 | Localphone Limited | 24/04/2007 |
01278 220 | Entanet International Ltd | 14/12/2007 |
01278 223 | Digital Space Group Limited | 15/03/2016 |
01278 224 | Digital Space Group Limited | 30/11/2007 |
01278 225 | Commi Holdings Limited | 21/11/2016 |
01278 226 | Voxbone SA | 17/12/2007 |
01278 227 | Net-Work Internet Ltd | 28/01/2008 |
01278 228 | Voiceflex Limited | 27/07/2007 |
01278 229 | TalkTalk Communications Limited | 13/02/2013 |
01278 230 | (AQ) LIMITED | 19/10/2011 |
01278 231 | IPV6 Limited | 29/01/2009 |
01278 232 | Nodemax Limited | 08/07/2008 |
01278 233 | VoIP-Un Limited | 26/10/2007 |
01278 234 | Solutios Limited | 03/09/2008 |
01278 236 | Telecom2 Limited | 10/09/2009 |
01278 238 | TalkTalk Communications Limited | 07/08/2007 |
01278 239 | Nationwide Telephone Assistance Ltd | 01/10/2007 |
01278 240 | Mars Communications Limited | 03/02/2009 |
01278 241 | TalkTalk Communications Limited | 26/03/2015 |
01278 242 | Barritel Limited | 08/10/2008 |
01278 243 | Telecoms World PLC | 12/03/2009 |
01278 244 | Andrews & Arnold (Numbers) Ltd | 02/03/2009 |
01278 245 | Invade International Ltd | 12/01/2016 |
01278 246 | Vectone Mobile Limited | 29/06/2009 |
01278 247 | Inet Telecoms Ltd (Voipfone) | 27/02/2009 |
01278 248 | CFL Communications Ltd | 08/07/2009 |
01278 249 | TeleWare Group PLC | 20/08/2009 |
01278 251 | Nexus Telecommunications Limited | 25/09/2009 |
01278 252 | Verizon UK Limited | 06/11/2009 |
01278 253 | GCI Network Solutions Ltd | 19/04/2017 |
01278 254 | I-NET COMMUNICATIONS GROUP PLC | 18/01/2010 |
01278 256 | TalkTalk Communications Limited | 16/02/2010 |
01278 257 | Atomstream Limited | 25/02/2010 |
01278 258 | Buzz Networks Limited | 01/03/2010 |
01278 259 | E164 Ltd | 15/04/2010 |
01278 260 | Digitech Solutions Global Limited | 28/04/2010 |
01278 261 | Calltracks Limited | 19/09/2013 |
01278 262 | Windsor Telecom Ltd | 20/07/2010 |
01278 263 | VoiceHost Limited | 27/08/2010 |
01278 264 | Phone Co-Op Numbering Limited | 16/12/2010 |
01278 265 | Numbergroup Utilities Ltd | 18/11/2010 |
01278 266 | Suretec Systems Ltd | 04/05/2010 |
01278 269 | Invosys Limited | 09/07/2012 |
01278 270 | IP Wholesale Limited | 01/06/2017 |
01278 271 | Hello Telecom (UK) Limited | 01/06/2011 |
01278 272 | Orbtalk Limited | 13/09/2011 |
01278 273 | Internexus Networks Limited | 21/11/2011 |
01278 274 | Minotaur Telecom Limited | 07/02/2013 |
01278 276 | Invoco Ltd | 20/09/2011 |
01278 278 | Nexbridge Communications Limited | 06/03/2012 |
01278 279 | Bicom Systems EURL | 01/03/2012 |
01278 281 | API Telecom Limited | 26/03/2012 |
01278 282 | Simwood eSMS Limited | 02/02/2012 |
01278 283 | ICC Networks Ltd | 13/04/2012 |
01278 284 | TalkTalk Communications Limited | 04/04/2012 |
01278 285 | IOVOX Limited | 02/07/2012 |
01278 286 | Ziron Limited | 30/07/2012 |
01278 287 | TalkTalk Communications Limited | 17/12/2012 |
01278 289 | Content Guru Limited | 12/10/2012 |
01278 290 | Resilient PLC | 18/05/2012 |
01278 291 | Resilient PLC | 18/05/2012 |
01278 299 | Resilient PLC | 18/05/2012 |
01278 30 | TGL Services (UK) Ltd | 02/02/2015 |
01278 31 | TTNC Limited | 11/11/2013 |
01278 32 | Sky UK Limited | 28/06/2013 |
01278 33 | Net Solutions Europe Limited | 30/12/2005 |
01278 343 | GTT-EMEA LTD | 14/10/2021 |
01278 345 | GTT-EMEA LTD | 14/10/2021 |
01278 346 | GTT-EMEA LTD | 14/10/2021 |
01278 347 | GTT-EMEA LTD | 14/10/2021 |
01278 357 | Spitfire Network Services Limited | 09/11/2011 |
01278 360 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 361 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 362 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 363 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 364 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 365 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 366 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 38 | Served Up Limited | 09/05/2008 |
01278 39 | AQL Wholesale Ltd | 21/06/2006 |
01278 40 | Affiniti Integrated Solutions Limited | 04/11/1998 |
01278 41 | BT | 16/02/1998 |
01278 42 | BT | 15/07/1994 |
01278 43 | BT | 15/07/1994 |
01278 44 | BT | 15/07/1994 |
01278 45 | BT | 15/07/1994 |
01278 46 | BT | 15/11/1994 |
01278 470 | Vodafone Ltd (Thus) | 23/01/2012 |
01278 471 | Vodafone Ltd (Thus) | 23/01/2012 |
01278 472 | Vodafone Ltd (C&W) | 01/04/2019 |
01278 473 | Vodafone Ltd (C&W) | 01/04/2019 |
01278 478 | Vodafone Ltd (C&W) | 01/04/2019 |
01278 479 | Vodafone Ltd (Thus) | 23/01/2012 |
01278 48 | Vodafone Ltd (C&W) | 25/07/2013 |
01278 490 | Inclarity Communications Limited | 16/02/2011 |
01278 491 | Inclarity Communications Limited | 16/02/2011 |
01278 492 | Inclarity Communications Limited | 16/02/2011 |
01278 493 | NFON UK Ltd | 20/09/2017 |
01278 494 | IP Voice Networks Ltd | 20/09/2017 |
01278 495 | Inclarity Communications Limited | 16/02/2011 |
01278 496 | Club Communications Ltd | 03/07/2018 |
01278 497 | BT | 03/01/2019 |
01278 498 | Zapappi Ltd | 05/01/2018 |
01278 499 | Fuse 2 Communications Ltd | 04/07/2017 |
01278 50 | Vodafone Ltd (Energis) | 26/05/2006 |
01278 51 | Redcentric Solutions Limited | 05/06/2015 |
01278 53 | GCI Network Solutions Ltd | 20/04/2017 |
01278 540 | Linear Telecoms Limited | 06/10/2010 |
01278 542 | Number Services Ltd. | 22/11/2018 |
01278 543 | I.T Communications Limited | 20/11/2015 |
01278 544 | Adepteo Limited | 17/01/2017 |
01278 546 | Virgin Media Limited | 19/12/2017 |
01278 548 | Mintaka Limited | 25/11/2016 |
01278 549 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01278 55 | Gamma Telecom Holdings Ltd | 22/12/2004 |
01278 570 | TRUESPEED COMMUNICATIONS LTD | 21/05/2019 |
01278 571 | Jurassic Fibre Limited | 19/10/2020 |
01278 572 | DIDWW Ireland Limited | 27/01/2020 |
01278 574 | BT | 28/01/2021 |
01278 575 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01278 577 | Gamma Telecom Holdings Ltd | 22/09/2021 |
01278 578 | Belgacom International Carrier Services SA | 03/10/2019 |
01278 579 | Virgin Media Limited | 13/10/2021 |
01278 58 | Magrathea Telecommunications Limited | 24/09/2004 |
01278 59 | Syntec Limited | 22/11/2005 |
01278 600 | Six Degrees Technology Group Limited | 13/01/2020 |
01278 604 | Six Degrees Technology Group Limited | 13/01/2020 |
01278 610 | Dial 9 Communications Limited | 09/12/2019 |
01278 611 | Lanonyx Telecom Limited | 10/08/2021 |
01278 615 | Mi Telecom Limited | 03/07/2020 |
01278 616 | ICUK Computing Services Limited | 05/06/2020 |
01278 617 | SiPalto Ltd | 06/07/2020 |
01278 618 | Colt Technology Services | 05/08/2020 |
01278 619 | Gamma Telecom Holdings Ltd | 17/06/2020 |
01278 620 | Lumen Technologies UK Limited | 09/09/1999 |
01278 623 | Lumen Technologies UK Limited | 09/09/1999 |
01278 629 | Lumen Technologies UK Limited | 09/09/1999 |
01278 63 | FleXtel Limited | 20/10/2005 |
01278 64 | BT | 15/07/1994 |
01278 65 | BT | 15/07/1994 |
01278 66 | BT | 15/07/1994 |
01278 67 | BT | 15/07/1994 |
01278 68 | BT | 15/07/1994 |
01278 69 | BT | 15/07/1994 |
01278 70 | Citrus Telecommunications Ltd | 11/04/2006 |
01278 72 | BT | 15/07/1994 |
01278 73 | BT | 15/07/1994 |
01278 74 | BT | 15/07/1994 |
01278 75 | BT | 15/07/1994 |
01278 76 | BT | 15/07/1994 |
01278 77 | BT | 15/07/1994 |
01278 78 | BT | 15/07/1994 |
01278 79 | BT | 15/07/1994 |
01278 800 | Media Hawk Ltd | 10/04/2013 |
01278 801 | Redwood Technologies Ltd | 15/11/2018 |
01278 802 | Kalnet4U Ltd | 10/05/2013 |
01278 803 | M247 Ltd | 29/05/2015 |
01278 804 | Colt Technology Services | 21/04/2015 |
01278 805 | iHub 2 Limited | 18/05/2016 |
01278 806 | YayYay Limited | 23/04/2015 |
01278 807 | Intrado Cloud Solutions Limited | 19/02/2013 |
01278 808 | WIGHTFIBRE LIMITED | 22/04/2013 |
01278 809 | XoverX Ltd | 30/04/2013 |