01270 00 | FleXtel Limited | 22/03/2005 |
01270 01 | Affiniti Integrated Solutions Limited | 20/08/2003 |
01270 20 | Served Up Limited | 09/05/2008 |
01270 21 | BT | 15/07/1994 |
01270 22 | BT | 15/07/1994 |
01270 230 | Inclarity Communications Limited | 16/02/2011 |
01270 231 | Inclarity Communications Limited | 16/02/2011 |
01270 232 | Inclarity Communications Limited | 16/02/2011 |
01270 235 | Inclarity Communications Limited | 16/02/2011 |
01270 24 | Redcentric Solutions Limited | 05/06/2015 |
01270 25 | BT | 15/07/1994 |
01270 26 | AQL Wholesale Ltd | 01/11/2004 |
01270 270 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 271 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 273 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 275 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 276 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 277 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 278 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 279 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 290 | Numbers Plus Ltd | 28/07/2011 |
01270 291 | Invoco Ltd | 19/09/2011 |
01270 292 | Orbtalk Limited | 08/09/2011 |
01270 293 | Internexus Networks Limited | 18/11/2011 |
01270 295 | Simwood eSMS Limited | 09/02/2012 |
01270 301 | (AQ) LIMITED | 19/10/2011 |
01270 302 | VoIP-Un Limited | 29/10/2007 |
01270 303 | Voiceflex Limited | 04/09/2007 |
01270 304 | Nationwide Telephone Assistance Ltd | 01/10/2007 |
01270 305 | Digital Space Group Limited | 29/11/2007 |
01270 306 | Voxbone SA | 14/12/2007 |
01270 307 | Digital Space Group Limited | 15/03/2016 |
01270 308 | Telecom2 Limited | 10/09/2009 |
01270 310 | Colt Technology Services | 06/08/2007 |
01270 311 | Net-Work Internet Ltd | 28/01/2008 |
01270 312 | Nodemax Limited | 17/07/2008 |
01270 313 | Commi Holdings Limited | 21/11/2016 |
01270 314 | TalkTalk Communications Limited | 13/02/2013 |
01270 315 | Solutios Limited | 03/09/2008 |
01270 316 | Barritel Limited | 08/10/2008 |
01270 320 | IPV6 Limited | 23/01/2009 |
01270 321 | Mars Communications Limited | 04/02/2009 |
01270 322 | Andrews & Arnold (Numbers) Ltd | 27/02/2009 |
01270 323 | Inet Telecoms Ltd (Voipfone) | 17/11/2008 |
01270 324 | Telecoms World PLC | 10/03/2009 |
01270 325 | Nexus Telecommunications Limited | 31/03/2009 |
01270 326 | Dynamic Mobile Billing Limited | 09/04/2009 |
01270 328 | TeleWare Group PLC | 20/08/2009 |
01270 329 | Vectone Mobile Limited | 29/06/2009 |
01270 330 | GCI Network Solutions Ltd | 19/04/2017 |
01270 331 | WIGHTFIBRE LIMITED | 20/01/2010 |
01270 332 | 8x8 UK Limited | 19/02/2010 |
01270 333 | CFL Communications Ltd | 08/07/2009 |
01270 335 | Buzz Networks Limited | 24/02/2010 |
01270 336 | Atomstream Limited | 25/02/2010 |
01270 337 | I-NET COMMUNICATIONS GROUP PLC | 12/01/2010 |
01270 339 | E164 Ltd | 15/04/2010 |
01270 340 | Suretec Systems Ltd | 04/05/2010 |
01270 341 | Calltracks Limited | 19/09/2013 |
01270 342 | Windsor Telecom Ltd | 19/07/2010 |
01270 343 | Core Telecom Limited | 05/08/2010 |
01270 344 | Numbergroup Utilities Ltd | 04/11/2010 |
01270 346 | VoiceHost Limited | 27/08/2010 |
01270 347 | Telephone Box Limited | 24/11/2010 |
01270 348 | Phone Co-Op Numbering Limited | 16/12/2010 |
01270 350 | Invosys Limited | 09/07/2012 |
01270 351 | Nexbridge Communications Limited | 06/03/2012 |
01270 353 | IP Wholesale Limited | 01/06/2017 |
01270 354 | Minotaur Telecom Limited | 31/01/2013 |
01270 356 | Bicom Systems EURL | 01/03/2012 |
01270 357 | API Telecom Limited | 26/03/2012 |
01270 358 | ICC Networks Ltd | 12/04/2012 |
01270 359 | IOVOX Limited | 02/07/2012 |
01270 360 | Ziron Limited | 30/07/2012 |
01270 361 | TalkTalk Communications Limited | 19/02/2013 |
01270 362 | Hello Telecom (UK) Limited | 19/07/2012 |
01270 363 | Content Guru Limited | 12/10/2012 |
01270 364 | Media Hawk Ltd | 10/04/2013 |
01270 365 | Storacall Technology Limited | 11/04/2013 |
01270 367 | Intrado Cloud Solutions Limited | 15/01/2013 |
01270 368 | TalkTalk Communications Limited | 12/07/2012 |
01270 371 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 375 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 376 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 380 | iHub 2 Limited | 18/05/2016 |
01270 381 | TalkTalk Communications Limited | 09/09/2014 |
01270 382 | Kalnet4U Ltd | 10/05/2013 |
01270 383 | Lanonyx Telecom Limited | 03/03/2015 |
01270 384 | IOVOX Limited | 27/03/2014 |
01270 385 | YayYay Limited | 23/04/2015 |
01270 386 | M247 Ltd | 20/05/2015 |
01270 387 | Resilient PLC | 01/05/2014 |
01270 388 | Redwood Technologies Ltd | 15/11/2018 |
01270 389 | XoverX Ltd | 01/05/2013 |
01270 392 | Sky UK Limited | 24/12/2015 |
01270 393 | Alnitak GmbH | 06/04/2016 |
01270 394 | TalkTalk Communications Limited | 04/08/2016 |
01270 395 | Sky UK Limited | 06/12/2016 |
01270 396 | Adepteo Limited | 17/01/2017 |
01270 397 | IOVOX Limited | 28/03/2017 |
01270 398 | I.T Communications Limited | 25/04/2017 |
01270 40 | TGL Services (UK) Ltd | 02/02/2015 |
01270 41 | Vodafone Ltd (C&W) | 03/10/2013 |
01270 420 | Linear Telecoms Limited | 07/10/2010 |
01270 430 | Dial 9 Communications Limited | 09/01/2020 |
01270 431 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01270 432 | Sky UK Limited | 08/09/2020 |
01270 433 | Gamma Telecom Holdings Ltd | 28/09/2020 |
01270 434 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01270 435 | Mi Telecom Limited | 03/07/2020 |
01270 436 | SiPalto Ltd | 29/05/2020 |
01270 437 | Vispa Limited | 13/05/2020 |
01270 438 | DIDWW Ireland Limited | 27/01/2020 |
01270 439 | Gamma Telecom Holdings Ltd | 18/12/2019 |
01270 44 | Gamma Telecom Holdings Ltd | 22/12/2004 |
01270 45 | BT | 15/07/1994 |
01270 463 | Digital Space Group Limited | 12/04/2016 |
01270 48 | Sky UK Limited | 26/06/2013 |
01270 50 | BT | 15/07/1994 |
01270 51 | Syntec Limited | 06/12/2005 |
01270 52 | BT | 15/07/1994 |
01270 53 | BT | 15/07/1994 |
01270 540 | Vodafone Ltd (C&W) | 03/10/2013 |
01270 541 | Vodafone Ltd (C&W) | 03/10/2013 |
01270 542 | Vodafone Ltd (C&W) | 03/10/2013 |
01270 543 | Vodafone Ltd (C&W) | 04/10/2013 |
01270 544 | Vodafone Ltd (C&W) | 04/10/2013 |
01270 545 | Vodafone Ltd (C&W) | 04/10/2013 |
01270 546 | Vodafone Ltd (C&W) | 04/10/2013 |
01270 55 | GCI Network Solutions Ltd | 20/04/2017 |
01270 56 | BT | 17/02/1998 |
01270 570 | Digitech Solutions Global Limited | 22/06/2012 |
01270 58 | BT | 15/07/1994 |
01270 590 | Resilient PLC | 18/05/2012 |
01270 591 | Resilient PLC | 18/05/2012 |
01270 599 | Resilient PLC | 18/05/2012 |
01270 60 | FleXtel Limited | 15/06/2000 |
01270 61 | BT | 15/07/1994 |
01270 62 | BT | 15/07/1994 |
01270 630 | Six Degrees Technology Group Limited | 14/01/2020 |
01270 634 | Six Degrees Technology Group Limited | 14/01/2020 |
01270 64 | TelNG Limited | 26/02/2007 |
01270 65 | BT | 15/07/1994 |
01270 66 | BT | 15/07/1994 |
01270 677 | Spitfire Network Services Limited | 09/11/2011 |
01270 685 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 686 | Vodafone Ltd (C&W) | 20/07/2018 |
01270 690 | Sky UK Limited | 04/09/2018 |
01270 691 | BT | 06/06/2019 |
01270 692 | Colt Technology Services | 21/11/2019 |
01270 693 | ICUK Computing Services Limited | 20/09/2019 |
01270 694 | Gamma Telecom Holdings Ltd | 04/01/2019 |
01270 695 | TalkTalk Communications Limited | 12/02/2019 |
01270 696 | Gamma Telecom Holdings Ltd | 02/07/2019 |
01270 697 | Belgacom International Carrier Services SA | 29/11/2019 |
01270 698 | BT | 12/04/2019 |
01270 699 | Club Communications Ltd | 21/09/2018 |
01270 70 | IV Response Limited | 05/07/2005 |
01270 71 | Citrus Telecommunications Ltd | 11/04/2006 |
01270 720 | Lumen Technologies UK Limited | 19/05/1999 |
01270 721 | Lumen Technologies UK Limited | 19/05/1999 |
01270 723 | Lumen Technologies UK Limited | 19/05/1999 |
01270 725 | Lumen Technologies UK Limited | 19/05/1999 |
01270 726 | Lumen Technologies UK Limited | 19/05/1999 |
01270 727 | Lumen Technologies UK Limited | 19/05/1999 |
01270 728 | Lumen Technologies UK Limited | 19/05/1999 |
01270 729 | Lumen Technologies UK Limited | 19/05/1999 |
01270 73 | TTNC Limited | 11/11/2013 |
01270 747 | TalkTalk Communications Limited | 18/01/2012 |
01270 748 | TalkTalk Communications Limited | 18/01/2012 |
01270 749 | TalkTalk Communications Limited | 18/01/2012 |
01270 75 | BT | 15/07/1994 |
01270 76 | BT | 15/07/1994 |
01270 775 | Vodafone Ltd (C&W) | 28/10/2020 |
01270 779 | Vodafone Ltd (C&W) | 28/10/2020 |
01270 78 | BT | 15/07/1994 |
01270 802 | Virgin Media Limited | 28/06/2012 |
01270 803 | Virgin Media Limited | 28/06/2012 |
01270 804 | Virgin Media Limited | 28/06/2012 |
01270 805 | Virgin Media Limited | 28/06/2012 |
01270 806 | Virgin Media Limited | 28/06/2012 |
01270 807 | Virgin Media Limited | 28/06/2012 |
01270 808 | Virgin Media Limited | 28/06/2012 |
01270 809 | Virgin Media Limited | 28/06/2012 |
01270 81 | BT | 15/07/1994 |
01270 82 | BT | 15/07/1994 |
01270 83 | Localphone Limited | 24/04/2007 |
01270 84 | BT | 15/07/1994 |
01270 85 | Invade International Ltd | 20/01/2016 |
01270 86 | Affiniti Integrated Solutions Limited | 28/06/2000 |
01270 87 | BT | 15/07/1994 |
01270 88 | BT | 15/07/1994 |
01270 89 | Magrathea Telecommunications Limited | 24/09/2004 |
01270 900 | IP Voice Networks Ltd | 20/09/2017 |
01270 901 | Voiceflex Limited | 23/08/2017 |
01270 902 | NFON UK Ltd | 20/09/2017 |
01270 903 | Entanet International Ltd | 12/12/2017 |
01270 904 | Colt Technology Services | 23/02/2018 |
01270 905 | Telecom 10 Ltd | 30/05/2018 |
01270 906 | Gamma Telecom Holdings Ltd | 19/06/2018 |
01270 907 | Fuse 2 Communications Ltd | 04/07/2017 |
01270 908 | Zapappi Ltd | 05/01/2018 |
01270 909 | Number Services Ltd. | 22/11/2018 |
01270 910 | BT | 25/11/2020 |
01270 912 | Gamma Telecom Holdings Ltd | 22/09/2021 |
01270 913 | Sky UK Limited | 18/06/2021 |
01270 914 | BT | 28/06/2021 |
01270 915 | Orange Business Holdings UK Limited | 22/09/2021 |
01270 916 | Twilio Ireland Limited | 08/04/2021 |
01270 917 | Colt Technology Services | 22/10/2021 |
01270 918 | Gamma Telecom Holdings Ltd | 22/02/2021 |
01270 919 | Gamma Telecom Holdings Ltd | 22/02/2021 |