01524 30 | BT | 04/04/1995 |
01524 31 | Virgin Media Limited | 15/03/2016 |
01524 32 | BT | 15/07/1994 |
01524 33 | BT | 15/07/1994 |
01524 34 | BT | 15/07/1994 |
01524 35 | BT | 15/07/1994 |
01524 36 | BT | 15/07/1994 |
01524 37 | BT | 15/07/1994 |
01524 38 | BT | 15/07/1994 |
01524 39 | BT | 15/07/1994 |
01524 400 | BT | 21/02/2012 |
01524 401 | BT | 21/02/2012 |
01524 402 | BT | 21/02/2012 |
01524 405 | BT | 21/02/2012 |
01524 406 | BT | 21/02/2012 |
01524 409 | BT | 21/02/2012 |
01524 41 | BT | 15/07/1994 |
01524 42 | BT | 15/07/1994 |
01524 444 | Vodafone Ltd (Thus) | 13/01/2012 |
01524 448 | Vodafone Ltd (Thus) | 13/01/2012 |
01524 449 | Vodafone Ltd (Thus) | 13/01/2012 |
01524 45 | Vodafone Ltd (Energis) | 26/05/2006 |
01524 480 | VoIP-Un Limited | 31/10/2007 |
01524 481 | Voiceflex Limited | 03/12/2007 |
01524 482 | AQL Wholesale Ltd | 04/01/2008 |
01524 483 | Digital Space Group Limited | 15/03/2016 |
01524 484 | TelXL Ltd | 12/02/2008 |
01524 485 | Digital Space Group Limited | 01/05/2008 |
01524 486 | Telecom2 Limited | 10/09/2009 |
01524 487 | Affiniti Integrated Solutions Limited | 03/06/2008 |
01524 488 | Voxbone SA | 23/09/2008 |
01524 489 | Inet Telecoms Ltd (Voipfone) | 24/09/2008 |
01524 490 | GCI Network Solutions Ltd | 02/05/2017 |
01524 500 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 509 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 510 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 511 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 512 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 513 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 514 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 516 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 517 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 518 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 519 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 520 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 521 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 522 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 523 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 524 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 525 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 526 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 528 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 529 | Vodafone Ltd (C&W) | 15/08/2018 |
01524 53 | Redcentric Solutions Limited | 05/06/2015 |
01524 54 | BT | 06/04/2000 |
01524 55 | BT | 26/02/1997 |
01524 560 | Digital Space Group Limited | 12/04/2016 |
01524 561 | Sky UK Limited | 03/12/2013 |
01524 562 | TelNG Limited | 27/02/2007 |
01524 563 | Lumen Technologies UK Limited | 03/04/2006 |
01524 565 | Lumen Technologies UK Limited | 03/04/2006 |
01524 566 | TTNC Limited | 15/11/2013 |
01524 567 | Spitfire Network Services Limited | 22/08/2006 |
01524 568 | Digital Mail Limited | 02/02/2007 |
01524 569 | Resilient PLC | 29/12/2006 |
01524 570 | Linear Telecoms Limited | 12/10/2010 |
01524 571 | Sky UK Limited | 02/07/2013 |
01524 572 | TalkTalk Communications Limited | 12/02/2013 |
01524 573 | Media Hawk Ltd | 26/09/2011 |
01524 574 | Invoco Ltd | 26/09/2011 |
01524 58 | BT | 15/07/1994 |
01524 59 | BT | 15/07/1994 |
01524 60 | BT | 15/07/1994 |
01524 61 | BT | 15/07/1994 |
01524 62 | BT | 15/07/1994 |
01524 63 | BT | 15/07/1994 |
01524 64 | BT | 15/07/1994 |
01524 65 | BT | 15/07/1994 |
01524 66 | BT | 15/07/1994 |
01524 67 | BT | 15/07/1994 |
01524 68 | BT | 15/07/1994 |
01524 69 | BT | 15/07/1994 |
01524 700 | BT | 15/07/1994 |
01524 701 | BT | 15/07/1994 |
01524 702 | BT | 15/07/1994 |
01524 703 | BT | 15/07/1994 |
01524 71 | Syntec Limited | 16/11/2005 |
01524 720 | BT | 15/07/1994 |
01524 721 | BT | 15/07/1994 |
01524 722 | BT | 15/07/1994 |
01524 727 | BT | 15/07/1994 |
01524 729 | BT | 15/07/1994 |
01524 73 | BT | 15/07/1994 |
01524 740 | Hello Telecom (UK) Limited | 11/11/2011 |
01524 741 | WIGHTFIBRE LIMITED | 29/11/2011 |
01524 742 | Minotaur Telecom Limited | 04/02/2013 |
01524 743 | Tuxtel Ltd | 21/12/2011 |
01524 744 | Internexus Networks Limited | 21/11/2011 |
01524 745 | TalkTalk Communications Limited | 05/01/2012 |
01524 746 | Bicom Systems EURL | 05/03/2012 |
01524 747 | ICC Networks Ltd | 17/04/2012 |
01524 748 | VoiceHost Limited | 25/04/2012 |
01524 749 | Sky UK Limited | 02/07/2013 |
01524 751 | BT | 21/02/2012 |
01524 752 | BT | 21/02/2012 |
01524 753 | BT | 21/02/2012 |
01524 760 | BT | 21/02/2012 |
01524 761 | BT | 21/02/2012 |
01524 762 | BT | 21/02/2012 |
01524 770 | BT | 21/02/2012 |
01524 771 | BT | 21/02/2012 |
01524 772 | BT | 21/02/2012 |
01524 781 | BT | 21/02/2012 |
01524 782 | BT | 21/02/2012 |
01524 784 | BT | 21/02/2012 |
01524 791 | BT | 21/02/2012 |
01524 792 | BT | 21/02/2012 |
01524 793 | BT | 21/02/2012 |
01524 799 | BT | 21/02/2012 |
01524 802 | Served Up Limited | 08/10/2008 |
01524 803 | Solutios Limited | 27/10/2008 |
01524 804 | Barritel Limited | 08/10/2008 |
01524 805 | Vonage Limited | 27/01/2015 |
01524 807 | Sky UK Limited | 02/07/2013 |
01524 808 | Mars Communications Limited | 05/02/2009 |
01524 809 | IPV6 Limited | 12/02/2009 |
01524 81 | BT | 15/07/1994 |
01524 82 | BT | 15/07/1994 |
01524 831 | BT | 21/02/2012 |
01524 832 | BT | 21/02/2012 |
01524 833 | BT | 21/02/2012 |
01524 834 | BT | 21/02/2012 |
01524 84 | BT | 15/07/1994 |
01524 85 | BT | 15/07/1994 |
01524 862 | BT | 21/02/2012 |
01524 863 | BT | 21/02/2012 |
01524 864 | BT | 21/02/2012 |
01524 865 | BT | 21/02/2012 |
01524 868 | BT | 21/02/2012 |
01524 870 | FleXtel Limited | 16/11/2005 |
01524 871 | Digitech Solutions Global Limited | 25/06/2012 |
01524 872 | Vodafone Ltd (C&W) | 05/09/2013 |
01524 873 | Inclarity Communications Limited | 29/11/2010 |
01524 874 | TalkTalk Communications Limited | 04/05/2007 |
01524 875 | Localphone Limited | 04/05/2007 |
01524 876 | Six Degrees Technology Group Limited | 03/04/2020 |
01524 877 | Windsor Telecom Ltd | 21/07/2010 |
01524 879 | Orange Business Holdings UK Limited | 26/02/2013 |
01524 880 | Magrathea Telecommunications Limited | 16/11/2011 |
01524 881 | Magrathea Telecommunications Limited | 16/11/2011 |
01524 884 | Magrathea Telecommunications Limited | 16/11/2011 |
01524 887 | Magrathea Telecommunications Limited | 16/11/2011 |
01524 888 | Magrathea Telecommunications Limited | 16/11/2011 |
01524 889 | Magrathea Telecommunications Limited | 16/11/2011 |
01524 89 | Vodafone Ltd (C&W) | 05/09/2013 |
01524 900 | Andrews & Arnold (Numbers) Ltd | 13/03/2009 |
01524 901 | Telecoms World PLC | 15/04/2009 |
01524 902 | Chess Limited | 06/04/2018 |
01524 903 | TalkTalk Communications Limited | 17/08/2010 |
01524 904 | Vectone Mobile Limited | 30/06/2009 |
01524 906 | Verizon UK Limited | 09/11/2009 |
01524 907 | Buzz Networks Limited | 26/02/2010 |
01524 908 | Atomstream Limited | 23/03/2010 |
01524 910 | Digitech Solutions Global Limited | 27/04/2010 |
01524 911 | Suretec Systems Ltd | 06/05/2010 |
01524 912 | Numbergroup Utilities Ltd | 02/11/2010 |
01524 913 | Sky UK Limited | 08/06/2017 |
01524 914 | Fuse 2 Communications Ltd | 03/07/2017 |
01524 915 | IP Voice Networks Ltd | 20/09/2017 |
01524 916 | IOVOX Limited | 19/09/2017 |
01524 917 | Gamma Telecom Holdings Ltd | 03/08/2017 |
01524 918 | TalkTalk Communications Limited | 24/11/2017 |
01524 919 | Number Services Ltd. | 22/11/2018 |
01524 920 | Ziron Limited | 31/07/2012 |
01524 922 | Content Guru Limited | 15/10/2012 |
01524 923 | TalkTalk Communications Limited | 17/12/2012 |
01524 924 | TGL Services (UK) Ltd | 02/02/2015 |
01524 925 | Affiniti Integrated Solutions Limited | 11/04/2013 |
01524 926 | Kalnet4U Ltd | 23/05/2013 |
01524 927 | Sky UK Limited | 02/07/2013 |
01524 928 | Simwood eSMS Limited | 05/04/2013 |
01524 929 | Intrado Cloud Solutions Limited | 19/02/2013 |
01524 930 | Redwood Technologies Ltd | 15/11/2018 |
01524 931 | TalkTalk Communications Limited | 04/07/2014 |
01524 932 | YayYay Limited | 24/04/2015 |
01524 933 | iHub 2 Limited | 18/05/2016 |
01524 934 | I-NET COMMUNICATIONS GROUP PLC | 25/06/2013 |
01524 935 | Sky UK Limited | 21/08/2013 |
01524 936 | Sky UK Limited | 21/08/2013 |
01524 937 | IOVOX Limited | 27/03/2014 |
01524 938 | Gamma Telecom Holdings Ltd | 03/09/2013 |
01524 939 | Lanonyx Telecom Limited | 03/03/2015 |
01524 940 | M247 Ltd | 29/05/2015 |
01524 941 | Sky UK Limited | 24/07/2015 |
01524 942 | Sky UK Limited | 20/01/2016 |
01524 943 | NFON UK Ltd | 29/04/2016 |
01524 944 | Colt Technology Services | 01/05/2015 |
01524 945 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01524 946 | Adepteo Limited | 13/10/2016 |
01524 948 | I.T Communications Limited | 02/09/2016 |
01524 949 | SiPalto Ltd | 17/06/2020 |
01524 950 | Telappliant Ltd | 05/04/2018 |
01524 951 | BT | 26/06/2018 |
01524 952 | Gamma Telecom Holdings Ltd | 29/08/2018 |
01524 953 | Dial 9 Communications Limited | 25/10/2019 |
01524 954 | Colt Technology Services | 28/02/2018 |
01524 955 | Club Communications Ltd | 31/07/2018 |
01524 956 | BT | 10/09/2019 |
01524 957 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01524 958 | Gamma Telecom Holdings Ltd | 24/05/2019 |
01524 959 | DIDWW Ireland Limited | 21/01/2019 |
01524 960 | ICUK Computing Services Limited | 05/06/2020 |
01524 961 | Sky UK Limited | 08/09/2020 |
01524 963 | BT | 26/08/2021 |
01524 966 | Mi Telecom Limited | 03/07/2020 |
01524 967 | Gamma Telecom Holdings Ltd | 22/02/2021 |
01524 968 | Belgacom International Carrier Services SA | 21/10/2020 |
01524 969 | Gamma Telecom Holdings Ltd | 23/04/2020 |