01623 200 | Dial 9 Communications Limited | 10/12/2019 |
01623 201 | Sky UK Limited | 24/05/2019 |
01623 202 | ICUK Computing Services Limited | 20/09/2019 |
01623 203 | Colt Technology Services | 29/11/2019 |
01623 204 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01623 205 | DIDWW Ireland Limited | 27/01/2020 |
01623 206 | BT | 26/10/2020 |
01623 207 | Sky UK Limited | 22/12/2020 |
01623 209 | Gamma Telecom Holdings Ltd | 22/09/2021 |
01623 21 | TelNG Limited | 28/02/2007 |
01623 22 | Commi Holdings Limited | 21/11/2016 |
01623 230 | TalkTalk Communications Limited | 05/01/2012 |
01623 232 | TalkTalk Communications Limited | 31/08/2011 |
01623 237 | TalkTalk Communications Limited | 31/08/2011 |
01623 238 | TalkTalk Communications Limited | 31/08/2011 |
01623 239 | TalkTalk Communications Limited | 31/08/2011 |
01623 24 | TTNC Limited | 12/11/2013 |
01623 250 | TalkTalk Communications Limited | 13/04/2018 |
01623 251 | Sky UK Limited | 04/06/2018 |
01623 252 | Club Communications Ltd | 31/07/2018 |
01623 253 | Digital Space Group Limited | 12/04/2016 |
01623 254 | TalkTalk Communications Limited | 31/07/2018 |
01623 255 | BT | 29/08/2018 |
01623 256 | Mi Telecom Limited | 03/07/2020 |
01623 257 | Sky UK Limited | 22/09/2021 |
01623 258 | WIZE ANALYTICS LIMITED | 29/04/2019 |
01623 259 | Gamma Telecom Holdings Ltd | 22/03/2019 |
01623 270 | Localphone Limited | 10/05/2007 |
01623 271 | Barritel Limited | 06/06/2007 |
01623 272 | AQL Wholesale Ltd | 20/12/2007 |
01623 274 | Digital Space Group Limited | 15/03/2016 |
01623 275 | VoIP-Un Limited | 01/11/2007 |
01623 276 | TelXL Ltd | 12/02/2008 |
01623 277 | Voiceflex Limited | 30/07/2007 |
01623 278 | (AQ) LIMITED | 12/09/2012 |
01623 279 | Nationwide Telephone Assistance Ltd | 02/10/2007 |
01623 287 | Spitfire Network Services Limited | 21/07/2011 |
01623 290 | Resilient PLC | 09/09/2011 |
01623 300 | Net-Work Internet Ltd | 25/02/2008 |
01623 301 | Telecom2 Limited | 10/09/2009 |
01623 302 | Digital Space Group Limited | 16/05/2008 |
01623 303 | Invade International Ltd | 12/01/2016 |
01623 304 | Nodemax Limited | 09/07/2008 |
01623 305 | TalkTalk Communications Limited | 13/02/2013 |
01623 306 | Voxbone SA | 23/09/2008 |
01623 308 | Solutios Limited | 05/11/2008 |
01623 309 | Served Up Limited | 23/10/2008 |
01623 311 | Mars Communications Limited | 05/02/2009 |
01623 313 | IPV6 Limited | 06/02/2009 |
01623 314 | Telecoms World PLC | 28/04/2009 |
01623 315 | Andrews & Arnold (Numbers) Ltd | 25/03/2009 |
01623 316 | Vectone Mobile Limited | 07/07/2009 |
01623 317 | CFL Communications Ltd | 14/07/2009 |
01623 319 | Nexus Telecommunications Limited | 28/09/2009 |
01623 320 | Business Broadcast Communications Limited | 16/10/2009 |
01623 321 | GCI Network Solutions Ltd | 05/05/2017 |
01623 323 | I-NET COMMUNICATIONS GROUP PLC | 15/01/2010 |
01623 325 | Buzz Networks Limited | 24/02/2010 |
01623 326 | Atomstream Limited | 24/03/2010 |
01623 327 | Digitech Solutions Global Limited | 27/04/2010 |
01623 328 | Verizon UK Limited | 30/04/2010 |
01623 329 | Suretec Systems Ltd | 06/05/2010 |
01623 330 | Calltracks Limited | 23/09/2013 |
01623 331 | Core Telecom Limited | 06/08/2010 |
01623 332 | Numbergroup Utilities Ltd | 02/11/2010 |
01623 333 | Telappliant Ltd | 21/06/2010 |
01623 334 | Windsor Telecom Ltd | 29/07/2010 |
01623 335 | Citrus Telecommunications Ltd | 04/11/2010 |
01623 336 | Telephone Box Limited | 14/12/2010 |
01623 338 | Phone Co-Op Numbering Limited | 23/12/2010 |
01623 339 | IP Wholesale Limited | 01/06/2017 |
01623 340 | Nexbridge Communications Limited | 08/03/2012 |
01623 341 | Numbers Plus Ltd | 28/07/2011 |
01623 343 | Orbtalk Limited | 16/09/2011 |
01623 345 | Inet Telecoms Ltd (Voipfone) | 17/10/2011 |
01623 346 | Minotaur Telecom Limited | 04/02/2013 |
01623 347 | Invoco Ltd | 02/11/2011 |
01623 348 | Hello Telecom (UK) Limited | 17/11/2011 |
01623 349 | Internexus Networks Limited | 21/11/2011 |
01623 350 | Bicom Systems EURL | 01/03/2012 |
01623 351 | API Telecom Limited | 05/04/2012 |
01623 352 | ICC Networks Ltd | 17/04/2012 |
01623 354 | Simwood eSMS Limited | 26/04/2012 |
01623 355 | IOVOX Limited | 03/07/2012 |
01623 356 | Ziron Limited | 30/07/2012 |
01623 358 | Content Guru Limited | 12/10/2012 |
01623 359 | Media Hawk Ltd | 10/04/2013 |
01623 360 | Sky UK Limited | 01/07/2013 |
01623 361 | Sky UK Limited | 20/06/2013 |
01623 362 | Kalnet4U Ltd | 24/05/2013 |
01623 363 | iHub 2 Limited | 18/05/2016 |
01623 364 | Sky UK Limited | 21/08/2013 |
01623 365 | Sky UK Limited | 21/08/2013 |
01623 366 | Intrado Cloud Solutions Limited | 15/01/2013 |
01623 367 | Sky UK Limited | 21/08/2013 |
01623 368 | TalkTalk Communications Limited | 19/02/2013 |
01623 369 | XoverX Ltd | 30/04/2013 |
01623 370 | TalkTalk Communications Limited | 26/03/2014 |
01623 371 | TalkTalk Communications Limited | 09/01/2015 |
01623 372 | Vonage Limited | 27/01/2015 |
01623 373 | Affiniti Integrated Solutions Limited | 09/02/2015 |
01623 374 | Colt Technology Services | 05/05/2015 |
01623 375 | YayYay Limited | 24/04/2015 |
01623 376 | Metronet (UK) Limited | 21/05/2019 |
01623 377 | Redwood Technologies Ltd | 15/11/2018 |
01623 378 | Sky UK Limited | 19/06/2015 |
01623 379 | Sky UK Limited | 19/06/2015 |
01623 381 | Sky UK Limited | 24/12/2015 |
01623 382 | I.T Communications Limited | 01/02/2016 |
01623 384 | Calltracks Limited | 15/04/2016 |
01623 385 | Colt Technology Services | 10/06/2016 |
01623 386 | Colt Technology Services | 10/06/2016 |
01623 387 | Sky UK Limited | 23/09/2016 |
01623 390 | Calltracks Limited | 23/12/2016 |
01623 391 | TalkTalk Communications Limited | 02/05/2017 |
01623 392 | Gamma Telecom Holdings Ltd | 20/09/2017 |
01623 393 | Adepteo Limited | 17/01/2017 |
01623 394 | Zapappi Ltd | 26/10/2017 |
01623 395 | Invosys Limited | 23/08/2017 |
01623 396 | IP Voice Networks Ltd | 20/09/2017 |
01623 397 | Gamma Telecom Holdings Ltd | 20/12/2016 |
01623 398 | Fuse 2 Communications Ltd | 03/07/2017 |
01623 399 | Number Services Ltd. | 22/11/2018 |
01623 40 | Virgin Media Limited | 15/12/1997 |
01623 41 | BT | 15/07/1994 |
01623 42 | BT | 15/07/1994 |
01623 43 | Virgin Media Limited | 23/07/1999 |
01623 44 | BT | 15/07/1994 |
01623 45 | Virgin Media Limited | 15/07/1994 |
01623 46 | Virgin Media Limited | 25/09/1996 |
01623 47 | Virgin Media Limited | 15/05/1997 |
01623 48 | Virgin Media Limited | 15/05/1997 |
01623 49 | BT | 15/07/1994 |
01623 50 | Redcentric Solutions Limited | 05/06/2015 |
01623 51 | BT | 15/07/1994 |
01623 52 | BT | 15/07/1994 |
01623 53 | Vodafone Ltd (Thus) | 09/01/2012 |
01623 541 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01623 542 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01623 543 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01623 544 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01623 545 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01623 549 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01623 55 | BT | 15/07/1994 |
01623 568 | Vodafone Ltd (C&W) | 10/08/2015 |
01623 570 | Linear Telecoms Limited | 14/10/2010 |
01623 571 | BT | 26/05/2021 |
01623 572 | Gamma Telecom Holdings Ltd | 08/09/2020 |
01623 573 | BT | 26/11/2019 |
01623 575 | Gamma Telecom Holdings Ltd | 08/02/2021 |
01623 576 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01623 577 | SiPalto Ltd | 17/06/2020 |
01623 578 | Belgacom International Carrier Services SA | 09/04/2020 |
01623 579 | Gamma Telecom Holdings Ltd | 06/01/2020 |
01623 58 | BT | 17/08/1995 |
01623 59 | Vodafone Ltd (C&W) | 06/09/2013 |
01623 60 | Virgin Media Limited | 09/01/2001 |
01623 61 | Sky UK Limited | 01/07/2013 |
01623 62 | BT | 23/01/1998 |
01623 63 | BT | 15/07/1994 |
01623 64 | BT | 15/07/1994 |
01623 65 | BT | 15/07/1994 |
01623 66 | BT | 15/07/1994 |
01623 67 | BT | 15/07/1994 |
01623 68 | BT | 13/06/1997 |
01623 700 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 701 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 702 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 703 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 705 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 706 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 707 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 708 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 709 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01623 710 | Inclarity Communications Limited | 08/11/2012 |
01623 711 | Inclarity Communications Limited | 08/11/2012 |
01623 712 | Inclarity Communications Limited | 08/11/2012 |
01623 715 | Inclarity Communications Limited | 08/11/2012 |
01623 72 | BT | 15/07/1994 |
01623 73 | GCI Network Solutions Ltd | 02/05/2017 |
01623 74 | BT | 15/07/1994 |
01623 75 | BT | 15/07/1994 |
01623 762 | Lanonyx Telecom Limited | 10/08/2021 |
01623 77 | Vodafone Ltd (C&W) | 06/09/2013 |
01623 78 | Vodafone Ltd (C&W) | 06/09/2013 |
01623 79 | BT | 15/07/1994 |
01623 81 | BT | 15/07/1994 |
01623 82 | BT | 15/07/1994 |
01623 83 | BT | 15/07/1994 |
01623 84 | BT | 15/07/1994 |
01623 850 | Magrathea Telecommunications Limited | 17/11/2011 |
01623 851 | Magrathea Telecommunications Limited | 17/11/2011 |
01623 852 | Magrathea Telecommunications Limited | 17/11/2011 |
01623 855 | Magrathea Telecommunications Limited | 17/11/2011 |
01623 857 | Magrathea Telecommunications Limited | 17/11/2011 |
01623 858 | Magrathea Telecommunications Limited | 17/11/2011 |
01623 859 | Magrathea Telecommunications Limited | 17/11/2011 |
01623 86 | BT | 15/07/1994 |
01623 87 | BT | 15/07/1994 |
01623 88 | BT | 15/07/1994 |
01623 900 | Six Degrees Technology Group Limited | 15/01/2020 |
01623 904 | Six Degrees Technology Group Limited | 15/01/2020 |
01623 91 | TGL Services (UK) Ltd | 02/02/2015 |
01623 920 | Digitech Solutions Global Limited | 26/06/2012 |
01623 93 | FleXtel Limited | 21/10/2005 |
01623 940 | GTT-EMEA LTD | 15/10/2021 |
01623 943 | GTT-EMEA LTD | 15/10/2021 |
01623 944 | GTT-EMEA LTD | 15/10/2021 |
01623 945 | GTT-EMEA LTD | 15/10/2021 |
01623 96 | Syntec Limited | 15/11/2005 |
01623 980 | VoiceHost Limited | 20/08/2010 |