01483 00 | Virgin Media Limited | 15/06/2000 |
01483 20 | BT | 15/07/1994 |
01483 21 | BT | 15/07/1994 |
01483 22 | BT | 15/07/1994 |
01483 23 | BT | 15/07/1994 |
01483 24 | Vodafone Ltd (C&W) | 05/09/2013 |
01483 25 | Vodafone Ltd (C&W) | 05/09/2013 |
01483 26 | BT | 15/07/1994 |
01483 27 | BT | 15/07/1994 |
01483 28 | BT | 15/07/1994 |
01483 29 | Vodafone Ltd (C&W) | 05/09/2013 |
01483 30 | BT | 15/07/1994 |
01483 310 | Voiceflex Limited | 30/07/2007 |
01483 312 | (AQ) LIMITED | 11/09/2012 |
01483 313 | TalkTalk Communications Limited | 12/02/2013 |
01483 315 | Vodafone Ltd (C&W) | 05/09/2013 |
01483 316 | Digital Space Group Limited | 28/04/2008 |
01483 317 | Telecom2 Limited | 11/09/2009 |
01483 318 | Nodemax Limited | 15/07/2008 |
01483 319 | Voxbone SA | 19/09/2008 |
01483 320 | Digital Mail Limited | 02/02/2007 |
01483 321 | Commi Holdings Limited | 21/11/2016 |
01483 322 | VoiceHost Limited | 29/07/2010 |
01483 323 | Kalnet4U Ltd | 22/05/2013 |
01483 324 | TelNG Limited | 27/02/2007 |
01483 325 | Localphone Limited | 04/05/2007 |
01483 326 | Lumen Technologies UK Limited | 08/02/2007 |
01483 327 | Orange Business Holdings UK Limited | 26/02/2013 |
01483 328 | Sky UK Limited | 08/09/2020 |
01483 329 | Resilient PLC | 22/12/2006 |
01483 330 | VoIP-Un Limited | 30/10/2007 |
01483 331 | Magrathea Telecommunications Limited | 08/11/2007 |
01483 332 | Digital Space Group Limited | 15/03/2016 |
01483 333 | Net-Work Internet Ltd | 07/10/2008 |
01483 334 | Barritel Limited | 08/10/2008 |
01483 336 | Served Up Limited | 23/10/2008 |
01483 338 | Inet Telecoms Ltd (Voipfone) | 18/11/2008 |
01483 339 | Gamma Telecom Holdings Ltd | 25/11/2008 |
01483 340 | Gamma Telecom Holdings Ltd | 25/11/2008 |
01483 342 | Magrathea Telecommunications Limited | 16/02/2009 |
01483 343 | Vonage Limited | 21/01/2015 |
01483 344 | Lumen Technologies UK Limited | 13/01/2009 |
01483 345 | I-NET COMMUNICATIONS GROUP PLC | 25/02/2009 |
01483 346 | TalkTalk Communications Limited | 03/03/2009 |
01483 347 | Andrews & Arnold (Numbers) Ltd | 11/03/2009 |
01483 348 | Telecoms World PLC | 14/04/2009 |
01483 349 | Phone Co-Op Numbering Limited | 22/12/2010 |
01483 350 | Invade International Ltd | 12/01/2016 |
01483 351 | TalkTalk Communications Limited | 08/06/2009 |
01483 352 | New Call Telecom Ltd | 18/03/2014 |
01483 353 | Vectone Mobile Limited | 30/06/2009 |
01483 355 | Magrathea Telecommunications Limited | 09/02/2015 |
01483 357 | Colt Technology Services | 17/04/2015 |
01483 358 | Verizon UK Limited | 12/10/2009 |
01483 359 | WIGHTFIBRE LIMITED | 09/11/2009 |
01483 361 | Gamma Telecom Holdings Ltd | 18/01/2010 |
01483 362 | 8x8 UK Limited | 19/02/2010 |
01483 363 | Buzz Networks Limited | 24/02/2010 |
01483 366 | Gamma Telecom Holdings Ltd | 21/01/2015 |
01483 367 | Calltracks Limited | 20/09/2013 |
01483 369 | Invosys Limited | 10/07/2012 |
01483 370 | Windsor Telecom Ltd | 21/07/2010 |
01483 371 | Core Telecom Limited | 05/08/2010 |
01483 373 | Sark Telecom B.V. | 11/08/2010 |
01483 374 | Sky UK Limited | 05/07/2013 |
01483 375 | Gamma Telecom Holdings Ltd | 07/12/2010 |
01483 377 | Numbergroup Utilities Ltd | 04/11/2010 |
01483 378 | Magrathea Telecommunications Limited | 12/11/2010 |
01483 379 | Sky UK Limited | 19/05/2015 |
01483 380 | IP Wholesale Limited | 01/06/2017 |
01483 381 | Minotaur Telecom Limited | 31/01/2013 |
01483 382 | Sky UK Limited | 05/07/2013 |
01483 383 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 30/09/2019 |
01483 385 | TalkTalk Communications Limited | 08/07/2011 |
01483 386 | Numbers Plus Ltd | 28/07/2011 |
01483 387 | Invoco Ltd | 26/09/2011 |
01483 388 | Orbtalk Limited | 16/09/2011 |
01483 389 | Sky UK Limited | 05/07/2013 |
01483 390 | Media Hawk Ltd | 26/09/2011 |
01483 391 | Hello Telecom (UK) Limited | 10/11/2011 |
01483 392 | Internexus Networks Limited | 21/11/2011 |
01483 396 | API Telecom Limited | 30/03/2012 |
01483 397 | Gamma Telecom Holdings Ltd | 05/01/2012 |
01483 398 | ICC Networks Ltd | 16/04/2012 |
01483 399 | YayYay Limited | 24/04/2015 |
01483 40 | BT | 15/07/1994 |
01483 41 | BT | 15/07/1994 |
01483 42 | BT | 15/07/1994 |
01483 43 | Vodafone Ltd (Energis) | 26/05/2006 |
01483 44 | BT | 15/07/1994 |
01483 45 | BT | 15/07/1994 |
01483 46 | BT | 15/07/1994 |
01483 47 | BT | 15/07/1994 |
01483 48 | BT | 15/07/1994 |
01483 490 | Sky UK Limited | 05/07/2013 |
01483 491 | IOVOX Limited | 03/07/2012 |
01483 492 | Ziron Limited | 30/07/2012 |
01483 493 | Sky UK Limited | 05/07/2013 |
01483 494 | Affiniti Integrated Solutions Limited | 04/07/2012 |
01483 495 | TalkTalk Communications Limited | 13/09/2012 |
01483 496 | TalkTalk Communications Limited | 02/10/2012 |
01483 497 | TalkTalk Communications Limited | 16/10/2012 |
01483 498 | Content Guru Limited | 15/10/2012 |
01483 50 | BT | 15/07/1994 |
01483 51 | BT | 15/07/1994 |
01483 52 | BT | 09/09/1999 |
01483 53 | BT | 30/04/1997 |
01483 54 | BT | 25/01/1996 |
01483 55 | BT | 15/07/1994 |
01483 56 | BT | 15/07/1994 |
01483 57 | BT | 15/07/1994 |
01483 58 | Virgin Media Limited | 16/03/2016 |
01483 59 | Virgin Media Limited | 22/08/1995 |
01483 600 | Gamma Telecom Holdings Ltd | 16/02/2004 |
01483 601 | Daisy Communications Ltd | 04/06/2014 |
01483 602 | Daisy Communications Ltd | 04/06/2014 |
01483 603 | Daisy Communications Ltd | 04/06/2014 |
01483 604 | Magrathea Telecommunications Limited | 24/09/2004 |
01483 606 | Chess Limited | 06/04/2018 |
01483 607 | Syntec Limited | 01/03/2005 |
01483 608 | AQL Wholesale Ltd | 01/11/2004 |
01483 609 | Linear Telecoms Limited | 12/10/2010 |
01483 610 | Magrathea Telecommunications Limited | 17/10/2012 |
01483 611 | Intrado Cloud Solutions Limited | 15/01/2013 |
01483 612 | Sky UK Limited | 05/07/2013 |
01483 613 | Sky UK Limited | 20/06/2013 |
01483 614 | Sky UK Limited | 21/08/2013 |
01483 615 | iHub 2 Limited | 18/05/2016 |
01483 616 | Colt Technology Services | 05/03/2013 |
01483 617 | Gamma Telecom Holdings Ltd | 19/04/2013 |
01483 618 | Sky UK Limited | 21/08/2013 |
01483 619 | Media Hawk Ltd | 25/11/2015 |
01483 630 | BT | 26/02/2016 |
01483 631 | BT | 26/02/2016 |
01483 632 | BT | 26/02/2016 |
01483 633 | BT | 26/02/2016 |
01483 634 | BT | 04/12/2015 |
01483 635 | BT | 26/02/2016 |
01483 636 | BT | 26/02/2016 |
01483 637 | BT | 26/02/2016 |
01483 638 | BT | 26/02/2016 |
01483 639 | BT | 26/02/2016 |
01483 64 | Vodafone Ltd (C&W) | 05/09/2013 |
01483 650 | Connect Telecom UK Limited | 18/04/2005 |
01483 651 | GCI Network Solutions Ltd | 25/04/2017 |
01483 652 | Reality Network Services Limited | 18/07/2005 |
01483 653 | Vodafone Ltd (C&W) | 30/04/2020 |
01483 654 | Six Degrees Technology Group Limited | 14/01/2020 |
01483 655 | Vodafone Ltd (C&W) | 30/04/2020 |
01483 656 | Vodafone Ltd (C&W) | 05/09/2013 |
01483 658 | Inclarity Communications Limited | 08/11/2012 |
01483 660 | Redwood Technologies Ltd | 15/11/2018 |
01483 661 | Gamma Telecom Holdings Ltd | 26/02/2014 |
01483 662 | BT | 02/07/2014 |
01483 663 | Gamma Telecom Holdings Ltd | 22/07/2014 |
01483 664 | TalkTalk Communications Limited | 09/09/2014 |
01483 665 | IOVOX Limited | 23/10/2014 |
01483 666 | Budget Numbers Limited | 09/12/2013 |
01483 667 | Affiniti Integrated Solutions Limited | 19/11/2013 |
01483 668 | Gamma Telecom Holdings Ltd | 24/04/2015 |
01483 669 | BT | 18/03/2014 |
01483 670 | Gamma Telecom Holdings Ltd | 22/12/2015 |
01483 671 | BT | 08/07/2015 |
01483 672 | Colt Technology Services | 22/10/2020 |
01483 673 | Sky UK Limited | 02/09/2015 |
01483 674 | Sky UK Limited | 20/01/2016 |
01483 675 | Gamma Telecom Holdings Ltd | 08/01/2021 |
01483 676 | Affiniti Integrated Solutions Limited | 08/07/2015 |
01483 677 | TTNC Limited | 11/09/2015 |
01483 678 | Gamma Telecom Holdings Ltd | 30/10/2015 |
01483 679 | Gamma Telecom Holdings Ltd | 29/02/2016 |
01483 68 | Virgin Media Limited | 29/01/2001 |
01483 690 | Verizon UK Limited | 01/06/2004 |
01483 691 | Verizon UK Limited | 16/07/2004 |
01483 692 | Verizon UK Limited | 16/07/2004 |
01483 693 | Verizon UK Limited | 16/07/2004 |
01483 694 | Twilio Ireland Limited | 13/10/2020 |
01483 695 | TelXL Ltd | 31/10/2005 |
01483 696 | GTT-EMEA LTD | 13/10/2021 |
01483 697 | FleXtel Limited | 16/11/2005 |
01483 698 | Affiniti Integrated Solutions Limited | 05/06/2002 |
01483 699 | GCI Network Solutions Ltd | 25/04/2017 |
01483 70 | BT | 15/07/1994 |
01483 71 | BT | 15/07/1994 |
01483 72 | BT | 15/07/1994 |
01483 73 | BT | 15/07/1994 |
01483 74 | BT | 15/07/1994 |
01483 75 | BT | 15/07/1994 |
01483 76 | BT | 15/07/1994 |
01483 77 | BT | 15/07/1994 |
01483 78 | Vodafone Ltd (C&W) | 05/09/2013 |
01483 79 | BT | 15/07/1994 |
01483 800 | Sky UK Limited | 05/07/2013 |
01483 801 | Digital Space Group Limited | 12/04/2016 |
01483 802 | AQL Wholesale Ltd | 23/06/2006 |
01483 803 | Lumen Technologies UK Limited | 28/03/2006 |
01483 804 | Lumen Technologies UK Limited | 28/03/2006 |
01483 805 | Lumen Technologies UK Limited | 28/03/2006 |
01483 806 | Spitfire Network Services Limited | 27/06/2006 |
01483 807 | Virgin Media Limited | 09/06/2006 |
01483 808 | TalkTalk Communications Limited | 19/06/2006 |
01483 809 | Virgin Media Limited | 09/06/2006 |
01483 81 | BT | 15/07/1994 |
01483 82 | Virgin Media Limited | 15/07/1994 |
01483 83 | Virgin Media Limited | 19/08/1994 |
01483 84 | Virgin Media Limited | 11/01/1999 |
01483 85 | Virgin Media Limited | 05/10/1994 |
01483 86 | BT | 15/07/1994 |
01483 87 | Virgin Media Limited | 05/10/1994 |
01483 88 | Virgin Media Limited | 22/08/1995 |
01483 89 | BT | 15/07/1994 |
01483 900 | Colt Technology Services | 30/01/2006 |
01483 901 | Gamma Telecom Holdings Ltd | 27/04/2006 |
01483 902 | Vodafone Ltd (C&W) | 18/06/2013 |
01483 903 | Colt Technology Services | 11/05/2006 |
01483 904 | Simwood eSMS Limited | 19/07/2006 |
01483 905 | TTNC Limited | 15/11/2013 |
01483 906 | BT | 04/02/2015 |
01483 907 | TGL Services (UK) Ltd | 02/02/2015 |
01483 908 | Redcentric Solutions Limited | 05/06/2015 |
01483 909 | Colt Technology Services | 30/01/2006 |
01483 910 | Gamma Telecom Holdings Ltd | 10/06/2016 |
01483 911 | Alnitak GmbH | 31/08/2016 |
01483 912 | AQL Wholesale Ltd | 08/03/2016 |
01483 913 | Sky UK Limited | 23/09/2016 |
01483 914 | Media Hawk Ltd | 28/09/2016 |
01483 915 | I-NET COMMUNICATIONS GROUP PLC | 18/10/2016 |
01483 916 | Calltracks Limited | 02/11/2016 |
01483 917 | Gamma Telecom Holdings Ltd | 26/09/2016 |
01483 919 | I.T Communications Limited | 18/04/2016 |
01483 920 | BT | 16/02/2017 |
01483 921 | BT | 02/06/2017 |
01483 922 | Number Services Ltd. | 22/11/2018 |
01483 923 | BT | 25/07/2017 |
01483 924 | Gamma Telecom Holdings Ltd | 20/09/2017 |
01483 925 | Sky UK Limited | 06/10/2017 |
01483 926 | Colt Technology Services | 27/10/2017 |
01483 927 | Gamma Telecom Holdings Ltd | 20/12/2016 |
01483 928 | DIDWW Ireland Limited | 19/10/2017 |
01483 929 | Digital Select Limited | 31/10/2016 |
01483 930 | Gamma Telecom Holdings Ltd | 25/01/2018 |
01483 931 | Gamma Telecom Holdings Ltd | 08/03/2018 |
01483 932 | Telappliant Ltd | 05/04/2018 |
01483 933 | Antheus Telecom Limited | 07/02/2018 |
01483 934 | Gamma Telecom Holdings Ltd | 04/06/2018 |
01483 935 | Colt Technology Services | 13/08/2018 |
01483 936 | Colt Technology Services | 13/08/2018 |
01483 937 | Gamma Telecom Holdings Ltd | 29/08/2018 |
01483 938 | Affiniti Integrated Solutions Limited | 21/09/2018 |
01483 939 | Club Communications Ltd | 21/09/2018 |
01483 940 | Gamma Telecom Holdings Ltd | 20/11/2018 |
01483 941 | BT | 05/10/2018 |
01483 943 | Colt Technology Services | 12/08/2019 |
01483 944 | Infinity Tracking Ltd | 16/05/2019 |
01483 945 | Infinity Tracking Ltd | 22/03/2019 |
01483 947 | Gamma Telecom Holdings Ltd | 24/05/2019 |
01483 948 | Gamma Telecom Holdings Ltd | 06/03/2019 |
01483 949 | Affiniti Integrated Solutions Limited | 30/08/2019 |
01483 950 | Belgacom International Carrier Services SA | 31/01/2020 |
01483 951 | BT | 30/03/2020 |
01483 952 | TalkTalk Communications Limited | 14/06/2019 |
01483 953 | Magrathea Telecommunications Limited | 12/11/2019 |
01483 954 | Colt Technology Services | 14/04/2020 |
01483 955 | SiPalto Ltd | 23/01/2020 |
01483 956 | Gamma Telecom Holdings Ltd | 30/03/2020 |
01483 957 | Gamma Telecom Holdings Ltd | 06/01/2020 |
01483 958 | BT | 06/06/2019 |
01483 959 | Gamma Telecom Holdings Ltd | 26/09/2019 |
01483 960 | Sky UK Limited | 18/06/2021 |
01483 961 | Colt Technology Services | 18/06/2021 |
01483 962 | BT | 04/06/2020 |
01483 963 | Gamma Telecom Holdings Ltd | 19/08/2020 |
01483 964 | Gamma Telecom Holdings Ltd | 12/10/2020 |
01483 965 | Mi Telecom Limited | 03/07/2020 |
01483 966 | Gamma Telecom Holdings Ltd | 27/05/2020 |
01483 967 | Twilio Ireland Limited | 02/09/2021 |
01483 968 | Gamma Telecom Holdings Ltd | 06/05/2021 |
01483 969 | Media Hawk Ltd | 23/03/2021 |
01483 979 | Gamma Telecom Holdings Ltd | 13/09/2021 |