01246 10 | BT | 15/08/2008 |
01246 114 | BT | 01/07/2011 |
01246 20 | BT | 15/07/1994 |
01246 21 | BT | 15/07/1994 |
01246 22 | BT | 15/07/1994 |
01246 23 | BT | 15/07/1994 |
01246 24 | BT | 15/07/1994 |
01246 25 | BT | 15/07/1994 |
01246 26 | BT | 15/07/1994 |
01246 27 | BT | 15/07/1994 |
01246 28 | BT | 15/07/1994 |
01246 29 | BT | 15/07/1994 |
01246 305 | Daisy Communications Ltd | 14/12/2011 |
01246 306 | Daisy Communications Ltd | 14/12/2011 |
01246 307 | Daisy Communications Ltd | 14/12/2011 |
01246 308 | Daisy Communications Ltd | 14/12/2011 |
01246 31 | TelNG Limited | 28/02/2007 |
01246 32 | TGL Services (UK) Ltd | 02/02/2015 |
01246 330 | Lumen Technologies UK Limited | 25/07/2011 |
01246 333 | Lumen Technologies UK Limited | 25/07/2011 |
01246 339 | Lumen Technologies UK Limited | 25/07/2011 |
01246 34 | BT | 26/01/1995 |
01246 35 | Vodafone Ltd (Energis) | 26/05/2006 |
01246 360 | Barritel Limited | 16/11/2011 |
01246 361 | Barritel Limited | 16/11/2011 |
01246 362 | Barritel Limited | 16/11/2011 |
01246 363 | Barritel Limited | 16/11/2011 |
01246 365 | Barritel Limited | 16/11/2011 |
01246 366 | Barritel Limited | 16/11/2011 |
01246 367 | Barritel Limited | 16/11/2011 |
01246 369 | Barritel Limited | 16/11/2011 |
01246 38 | Gamma Telecom Holdings Ltd | 05/04/2004 |
01246 390 | Calltracks Limited | 15/04/2016 |
01246 391 | Sky UK Limited | 23/09/2016 |
01246 392 | Calltracks Limited | 12/01/2017 |
01246 393 | Adepteo Limited | 16/01/2017 |
01246 394 | Adepteo Limited | 16/01/2017 |
01246 395 | TalkTalk Communications Limited | 07/04/2017 |
01246 396 | Mintaka Limited | 12/05/2016 |
01246 397 | Sky UK Limited | 25/08/2017 |
01246 398 | IOVOX Limited | 28/03/2017 |
01246 40 | Redcentric Solutions Limited | 05/06/2015 |
01246 41 | BT | 15/07/1994 |
01246 423 | Digital Space Group Limited | 12/04/2016 |
01246 43 | BT | 15/07/1994 |
01246 449 | Vodafone Ltd (C&W) | 29/06/2018 |
01246 45 | BT | 15/07/1994 |
01246 46 | Sky UK Limited | 25/06/2013 |
01246 47 | BT | 15/07/1994 |
01246 48 | AQL Wholesale Ltd | 21/06/2006 |
01246 490 | Linear Telecoms Limited | 05/10/2010 |
01246 491 | Bicom Systems EURL | 02/03/2012 |
01246 492 | API Telecom Limited | 26/03/2012 |
01246 493 | ICC Networks Ltd | 12/04/2012 |
01246 494 | IOVOX Limited | 03/04/2012 |
01246 495 | Orange Business Holdings UK Limited | 19/07/2012 |
01246 496 | Ziron Limited | 27/07/2012 |
01246 497 | Content Guru Limited | 12/10/2012 |
01246 498 | TalkTalk Communications Limited | 12/07/2012 |
01246 499 | Numbergroup Utilities Ltd | 29/04/2019 |
01246 50 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 51 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 52 | BT | 15/07/1994 |
01246 53 | FleXtel Limited | 19/10/2005 |
01246 54 | BT | 15/07/1994 |
01246 55 | BT | 15/07/1994 |
01246 56 | BT | 15/07/1994 |
01246 57 | BT | 15/07/1994 |
01246 58 | BT | 15/07/1994 |
01246 59 | BT | 15/07/1994 |
01246 600 | Digitech Solutions Global Limited | 22/06/2012 |
01246 601 | BT | 24/08/2020 |
01246 602 | Sky UK Limited | 08/09/2020 |
01246 603 | Sky UK Limited | 22/09/2021 |
01246 604 | BT | 25/11/2020 |
01246 605 | Voiceflex Limited | 14/06/2021 |
01246 606 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |
01246 607 | Gamma Telecom Holdings Ltd | 17/12/2020 |
01246 608 | Belgacom International Carrier Services SA | 21/10/2020 |
01246 62 | Virgin Media Limited | 08/03/2000 |
01246 63 | Syntec Limited | 15/11/2005 |
01246 640 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01246 641 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01246 642 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01246 643 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01246 644 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01246 646 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01246 648 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01246 66 | GCI Network Solutions Ltd | 20/04/2017 |
01246 67 | Vodafone Ltd (Thus) | 17/01/2012 |
01246 680 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 681 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 682 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 683 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 684 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 687 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 689 | Vodafone Ltd (C&W) | 03/10/2013 |
01246 690 | VoiceHost Limited | 22/06/2010 |
01246 696 | VoiceHost Limited | 20/08/2010 |
01246 70 | TTNC Limited | 11/11/2013 |
01246 716 | GTT-EMEA LTD | 14/10/2021 |
01246 717 | GTT-EMEA LTD | 14/10/2021 |
01246 720 | YayYay Limited | 23/04/2015 |
01246 721 | Sky UK Limited | 19/05/2015 |
01246 722 | Lanonyx Telecom Limited | 03/03/2015 |
01246 723 | M247 Ltd | 20/05/2015 |
01246 725 | Sky UK Limited | 18/09/2015 |
01246 727 | Affiniti Integrated Solutions Limited | 18/02/2015 |
01246 728 | Sky UK Limited | 24/12/2015 |
01246 729 | Central Technology Limited | 06/07/2015 |
01246 730 | Digital Space Group Limited | 15/03/2016 |
01246 731 | TalkTalk Communications Limited | 15/02/2013 |
01246 732 | Optify Mediaforce Limited | 20/02/2009 |
01246 733 | Voiceflex Limited | 27/07/2007 |
01246 734 | Solutios Limited | 28/08/2008 |
01246 735 | IPV6 Limited | 27/01/2009 |
01246 736 | Telecom2 Limited | 11/09/2009 |
01246 738 | Telecoms World PLC | 09/03/2009 |
01246 739 | Invade International Ltd | 12/01/2016 |
01246 740 | VoIP-Un Limited | 26/10/2007 |
01246 741 | Commi Holdings Limited | 21/11/2016 |
01246 742 | Vectone Mobile Limited | 29/06/2009 |
01246 743 | TeleWare Group PLC | 14/08/2009 |
01246 744 | Node4 Ltd | 03/05/2007 |
01246 745 | Mars Communications Limited | 04/02/2009 |
01246 747 | (AQ) LIMITED | 17/10/2011 |
01246 748 | Nexus Telecommunications Limited | 25/09/2009 |
01246 749 | I-NET COMMUNICATIONS GROUP PLC | 15/01/2010 |
01246 75 | Localphone Limited | 24/04/2007 |
01246 766 | TalkTalk Communications Limited | 31/08/2011 |
01246 767 | TalkTalk Communications Limited | 31/08/2011 |
01246 768 | TalkTalk Communications Limited | 31/08/2011 |
01246 769 | TalkTalk Communications Limited | 31/08/2011 |
01246 777 | Served Up Limited | 01/03/2013 |
01246 778 | Served Up Limited | 01/03/2013 |
01246 787 | Spitfire Network Services Limited | 21/07/2011 |
01246 791 | Andrews & Arnold (Numbers) Ltd | 26/02/2009 |
01246 792 | Buzz Networks Limited | 24/02/2010 |
01246 793 | Digitech Solutions Global Limited | 23/04/2010 |
01246 794 | Telappliant Ltd | 28/05/2010 |
01246 795 | Suretec Systems Ltd | 29/04/2010 |
01246 796 | Calltracks Limited | 19/09/2013 |
01246 797 | Nodemax Limited | 15/07/2008 |
01246 798 | Core Telecom Limited | 05/08/2010 |
01246 800 | Net-Work Internet Ltd | 11/10/2007 |
01246 802 | Windsor Telecom Ltd | 19/07/2010 |
01246 804 | Citrus Telecommunications Ltd | 04/11/2010 |
01246 805 | Telephone Box Limited | 17/11/2010 |
01246 807 | Inet Telecoms Ltd (Voipfone) | 27/02/2009 |
01246 808 | Voxbone SA | 10/12/2007 |
01246 809 | Phone Co-Op Numbering Limited | 16/12/2010 |
01246 81 | BT | 15/07/1994 |
01246 82 | BT | 15/07/1994 |
01246 830 | Six Degrees Technology Group Limited | 14/01/2020 |
01246 833 | Six Degrees Technology Group Limited | 14/01/2020 |
01246 834 | Six Degrees Technology Group Limited | 14/01/2020 |
01246 840 | Inclarity Communications Limited | 16/02/2011 |
01246 841 | Inclarity Communications Limited | 16/02/2011 |
01246 842 | Inclarity Communications Limited | 16/02/2011 |
01246 843 | Hello Telecom (UK) Limited | 14/04/2011 |
01246 845 | Inclarity Communications Limited | 16/02/2011 |
01246 846 | Nexbridge Communications Limited | 06/03/2012 |
01246 848 | Orbtalk Limited | 05/09/2011 |
01246 849 | Internexus Networks Limited | 18/11/2011 |
01246 85 | BT | 15/07/1994 |
01246 86 | BT | 15/07/1994 |
01246 880 | Magrathea Telecommunications Limited | 17/11/2011 |
01246 881 | Magrathea Telecommunications Limited | 17/11/2011 |
01246 885 | Magrathea Telecommunications Limited | 17/11/2011 |
01246 886 | Magrathea Telecommunications Limited | 17/11/2011 |
01246 887 | Magrathea Telecommunications Limited | 17/11/2011 |
01246 888 | Magrathea Telecommunications Limited | 17/11/2011 |
01246 889 | Magrathea Telecommunications Limited | 17/11/2011 |
01246 890 | CFL Communications Ltd | 07/07/2009 |
01246 891 | Numbergroup Utilities Ltd | 02/11/2010 |
01246 892 | Atomstream Limited | 25/02/2010 |
01246 894 | Syntec Limited | 13/07/2010 |
01246 896 | Digital Mail Limited | 21/12/2010 |
01246 897 | Invosys Limited | 09/07/2012 |
01246 898 | Digital Space Group Limited | 29/11/2007 |
01246 899 | Nationwide Telephone Assistance Ltd | 01/10/2007 |
01246 900 | IP Wholesale Limited | 01/06/2017 |
01246 901 | Colt Technology Services | 21/10/2011 |
01246 902 | Minotaur Telecom Limited | 01/02/2013 |
01246 903 | Simwood eSMS Limited | 01/02/2012 |
01246 905 | Tuxtel Ltd | 21/12/2011 |
01246 906 | TalkTalk Communications Limited | 19/02/2013 |
01246 907 | Media Hawk Ltd | 10/04/2013 |
01246 908 | Redwood Technologies Ltd | 15/11/2018 |
01246 909 | Numbers Plus Ltd | 13/02/2013 |
01246 910 | iHub 2 Limited | 18/05/2016 |
01246 911 | Intrado Cloud Solutions Limited | 15/01/2013 |
01246 912 | Kalnet4U Ltd | 08/05/2013 |
01246 913 | TalkTalk Communications Limited | 24/04/2014 |
01246 914 | Liquid 11 Limited | 13/06/2013 |
01246 915 | Resilient PLC | 14/05/2014 |
01246 916 | TalkTalk Communications Limited | 10/11/2014 |
01246 917 | Sky UK Limited | 16/12/2014 |
01246 918 | Vonage Limited | 27/01/2015 |
01246 919 | XoverX Ltd | 01/05/2013 |
01246 920 | IOVOX Limited | 21/09/2015 |
01246 921 | I.T Communications Limited | 25/04/2017 |
01246 922 | Invoco Ltd | 22/10/2015 |
01246 923 | IP Voice Networks Ltd | 20/09/2017 |
01246 924 | Entanet International Ltd | 12/12/2017 |
01246 925 | Gamma Telecom Holdings Ltd | 03/04/2018 |
01246 926 | Fuse 2 Communications Ltd | 03/07/2017 |
01246 927 | Colt Technology Services | 24/04/2018 |
01246 928 | Zapappi Ltd | 26/10/2017 |
01246 929 | Number Services Ltd. | 22/11/2018 |
01246 930 | TalkTalk Communications Limited | 31/07/2018 |
01246 931 | Club Communications Ltd | 21/09/2018 |
01246 932 | Gamma Telecom Holdings Ltd | 17/09/2018 |
01246 933 | Calltracks Limited | 02/10/2018 |
01246 934 | Media Hawk Ltd | 14/01/2019 |
01246 936 | BT | 26/09/2019 |
01246 937 | Sky UK Limited | 14/06/2019 |
01246 938 | BT | 12/04/2019 |
01246 942 | BT | 13/09/2021 |
01246 944 | Colt Technology Services | 22/10/2021 |
01246 948 | Gamma Telecom Holdings Ltd | 02/08/2021 |
01246 949 | Gamma Telecom Holdings Ltd | 23/06/2021 |
01246 950 | Dial 9 Communications Limited | 09/01/2020 |
01246 951 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 17/01/2020 |
01246 952 | DIDWW Ireland Limited | 27/01/2020 |
01246 953 | Mi Telecom Limited | 06/07/2020 |
01246 954 | ICUK Computing Services Limited | 17/06/2020 |
01246 955 | SiPalto Ltd | 29/05/2020 |
01246 956 | Gamma Telecom Holdings Ltd | 27/05/2020 |
01246 957 | BT | 28/04/2020 |
01246 958 | TELNYX UK LIMITED | 07/05/2020 |
01246 959 | Gamma Telecom Holdings Ltd | 18/12/2019 |