01738 20 | TelNG Limited | 28/02/2007 |
01738 210 | Voiceflex Limited | 27/09/2007 |
01738 211 | (AQ) LIMITED | 26/09/2012 |
01738 212 | VoIP-Un Limited | 05/11/2007 |
01738 213 | Digital Space Group Limited | 15/03/2016 |
01738 214 | Telecom2 Limited | 11/09/2009 |
01738 215 | Pulsant (Scotland) Limited | 17/02/2009 |
01738 216 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 217 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 218 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 219 | Digital Space Group Limited | 20/05/2008 |
01738 222 | Digital Mail Limited | 21/10/2011 |
01738 230 | Gamma Telecom Holdings Ltd | 07/07/2008 |
01738 231 | Gamma Telecom Holdings Ltd | 07/07/2008 |
01738 232 | Nodemax Limited | 09/07/2008 |
01738 233 | Invade International Ltd | 12/01/2016 |
01738 234 | Voxbone SA | 25/09/2008 |
01738 235 | Served Up Limited | 17/10/2008 |
01738 237 | Inet Telecoms Ltd (Voipfone) | 17/11/2008 |
01738 238 | Solutios Limited | 25/11/2008 |
01738 239 | Andrews & Arnold (Numbers) Ltd | 27/03/2009 |
01738 240 | Localphone Limited | 14/05/2007 |
01738 241 | Mars Communications Limited | 05/02/2009 |
01738 242 | IPV6 Limited | 06/02/2009 |
01738 243 | Vectone Mobile Limited | 01/07/2009 |
01738 245 | TalkTalk Communications Limited | 05/08/2009 |
01738 246 | CFL Communications Ltd | 14/07/2009 |
01738 247 | Telecoms World PLC | 09/06/2009 |
01738 248 | TalkTalk Communications Limited | 07/08/2007 |
01738 249 | Nexus Telecommunications Limited | 30/09/2009 |
01738 250 | GCI Network Solutions Ltd | 25/04/2017 |
01738 252 | I-NET COMMUNICATIONS GROUP PLC | 13/01/2010 |
01738 253 | Atomstream Limited | 29/03/2010 |
01738 254 | Suretec Systems Ltd | 12/05/2010 |
01738 255 | Redcentric Solutions Limited | 05/06/2015 |
01738 256 | Calltracks Limited | 23/09/2013 |
01738 257 | Core Telecom Limited | 06/08/2010 |
01738 258 | Windsor Telecom Ltd | 22/07/2010 |
01738 259 | Sky UK Limited | 24/06/2013 |
01738 260 | Simwood eSMS Limited | 13/08/2010 |
01738 261 | Telephone Box Limited | 09/12/2010 |
01738 263 | Phone Co-Op Numbering Limited | 21/12/2010 |
01738 265 | Nexbridge Communications Limited | 09/03/2012 |
01738 267 | Numbers Plus Ltd | 28/07/2011 |
01738 268 | Orbtalk Limited | 19/09/2011 |
01738 269 | Sky UK Limited | 24/06/2013 |
01738 270 | TalkTalk Communications Limited | 12/02/2013 |
01738 271 | Internexus Networks Limited | 22/11/2011 |
01738 272 | Hello Telecom (UK) Limited | 23/11/2011 |
01738 274 | API Telecom Limited | 10/04/2012 |
01738 275 | ICC Networks Ltd | 16/04/2012 |
01738 276 | Bicom Systems EURL | 01/03/2012 |
01738 277 | Net-Work Internet Ltd | 28/01/2008 |
01738 279 | Nationwide Telephone Assistance Ltd | 12/10/2007 |
01738 300 | Ziron Limited | 31/07/2012 |
01738 301 | IOVOX Limited | 04/07/2012 |
01738 302 | Content Guru Limited | 12/10/2012 |
01738 303 | Numbergroup Utilities Ltd | 29/04/2019 |
01738 304 | Minotaur Telecom Limited | 05/02/2013 |
01738 305 | Numbergroup Utilities Ltd | 30/10/2012 |
01738 306 | Invoco Ltd | 25/04/2012 |
01738 307 | Media Hawk Ltd | 10/04/2013 |
01738 308 | Intrado Cloud Solutions Limited | 19/02/2013 |
01738 309 | XoverX Ltd | 29/04/2013 |
01738 310 | BT | 24/10/2013 |
01738 311 | Fluency Communications Ltd | 07/10/2013 |
01738 312 | iHub 2 Limited | 18/05/2016 |
01738 313 | Kalnet4U Ltd | 13/12/2013 |
01738 314 | Sky UK Limited | 20/06/2013 |
01738 315 | Sky UK Limited | 18/02/2015 |
01738 316 | YayYay Limited | 24/04/2015 |
01738 317 | Colt Technology Services | 05/05/2015 |
01738 318 | Redwood Technologies Ltd | 15/11/2018 |
01738 319 | Metronet (UK) Limited | 21/05/2019 |
01738 321 | Sky UK Limited | 23/09/2016 |
01738 322 | Adepteo Limited | 06/12/2016 |
01738 323 | Alnitak GmbH | 06/01/2017 |
01738 324 | Number Services Ltd. | 22/11/2018 |
01738 325 | Invosys Limited | 23/08/2017 |
01738 326 | IP Voice Networks Ltd | 20/09/2017 |
01738 327 | Entanet International Ltd | 12/12/2017 |
01738 329 | Fuse 2 Communications Ltd | 03/07/2017 |
01738 330 | Club Communications Ltd | 21/09/2018 |
01738 331 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 21/01/2020 |
01738 332 | Dial 9 Communications Limited | 08/01/2020 |
01738 333 | DIDWW Ireland Limited | 21/01/2019 |
01738 334 | I.T Communications Limited | 05/09/2019 |
01738 335 | Mi Telecom Limited | 03/07/2020 |
01738 336 | BT | 26/10/2020 |
01738 337 | TalkTalk Communications Limited | 23/08/2021 |
01738 338 | Belgacom International Carrier Services SA | 17/11/2020 |
01738 339 | ICUK Computing Services Limited | 20/09/2019 |
01738 340 | Reality Network Services Limited | 25/11/2020 |
01738 341 | Reality Network Services Limited | 25/11/2020 |
01738 342 | Reality Network Services Limited | 25/11/2020 |
01738 343 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01738 344 | Reality Network Services Limited | 27/05/2021 |
01738 350 | Lanonyx Telecom Limited | 10/08/2021 |
01738 40 | TGL Services (UK) Ltd | 02/02/2015 |
01738 41 | BT | 15/07/1994 |
01738 430 | Linear Telecoms Limited | 18/10/2010 |
01738 44 | BT | 15/07/1994 |
01738 45 | BT | 15/07/1994 |
01738 47 | BT | 15/07/1994 |
01738 48 | Affiniti Integrated Solutions Limited | 17/06/2004 |
01738 49 | BT | 15/07/1994 |
01738 50 | Gamma Telecom Holdings Ltd | 11/03/2005 |
01738 51 | Vodafone Ltd (Energis) | 26/05/2006 |
01738 520 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 521 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 522 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 523 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 524 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 525 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 526 | Vodafone Ltd (C&W) | 10/09/2013 |
01738 54 | FleXtel Limited | 11/11/2005 |
01738 55 | BT | 15/07/1994 |
01738 56 | Virgin Media Limited | 17/03/2016 |
01738 57 | Virgin Media Limited | 17/03/2016 |
01738 58 | BT | 15/07/1994 |
01738 59 | TTNC Limited | 12/11/2013 |
01738 60 | Vodafone Ltd (Thus) | 25/01/2012 |
01738 61 | Barritel Limited | 23/06/2006 |
01738 62 | BT | 15/07/1994 |
01738 63 | BT | 15/07/1994 |
01738 64 | BT | 15/07/1994 |
01738 65 | Magrathea Telecommunications Limited | 24/09/2004 |
01738 670 | Digitech Solutions Global Limited | 26/06/2012 |
01738 680 | Inclarity Communications Limited | 09/11/2012 |
01738 681 | Inclarity Communications Limited | 09/11/2012 |
01738 682 | Inclarity Communications Limited | 09/11/2012 |
01738 685 | Inclarity Communications Limited | 09/11/2012 |
01738 693 | Digital Space Group Limited | 12/04/2016 |
01738 70 | AQL Wholesale Ltd | 04/08/2006 |
01738 71 | BT | 15/07/1994 |
01738 73 | BT | 15/07/1994 |
01738 74 | Syntec Limited | 20/12/2005 |
01738 757 | Spitfire Network Services Limited | 11/11/2011 |
01738 764 | Six Degrees Technology Group Limited | 01/04/2019 |
01738 770 | Lumen Technologies UK Limited | 17/11/2000 |
01738 771 | Lumen Technologies UK Limited | 17/11/2000 |
01738 779 | Lumen Technologies UK Limited | 17/11/2000 |
01738 78 | BT | 15/07/1994 |
01738 790 | Resilient PLC | 18/05/2012 |
01738 791 | Resilient PLC | 18/05/2012 |
01738 799 | Resilient PLC | 18/05/2012 |
01738 808 | VoiceHost Limited | 22/06/2010 |
01738 81 | BT | 15/07/1994 |
01738 82 | BT | 15/07/1994 |
01738 83 | GCI Network Solutions Ltd | 26/04/2017 |
01738 84 | BT | 15/07/1994 |
01738 85 | BT | 15/07/1994 |
01738 86 | BT | 15/07/1994 |
01738 870 | Vodafone Ltd (C&W) | 21/04/2016 |
01738 871 | Vodafone Ltd (Thus) | 25/01/2012 |
01738 877 | Vodafone Ltd (Thus) | 25/01/2012 |
01738 879 | Vodafone Ltd (Thus) | 22/08/2014 |
01738 88 | BT | 15/07/1994 |
01738 89 | Vodafone Ltd (C&W) | 10/09/2013 |