01733 10 | Affiniti Integrated Solutions Limited | 16/01/2003 |
01733 11 | BT | 03/02/2004 |
01733 14 | BT | 20/05/2005 |
01733 20 | BT | 15/07/1994 |
01733 21 | BT | 15/07/1994 |
01733 22 | BT | 15/07/1994 |
01733 23 | BT | 15/07/1994 |
01733 24 | BT | 15/07/1994 |
01733 25 | BT | 15/07/1994 |
01733 26 | BT | 15/07/1994 |
01733 27 | BT | 15/07/1994 |
01733 28 | Vodafone Ltd (C&W) | 10/09/2013 |
01733 29 | BT | 15/07/1994 |
01733 30 | Gamma Telecom Holdings Ltd | 05/04/2004 |
01733 31 | BT | 15/07/1994 |
01733 32 | BT | 15/07/1994 |
01733 33 | BT | 15/07/1994 |
01733 34 | BT | 15/07/1994 |
01733 35 | BT | 15/07/1994 |
01733 36 | BT | 15/07/1994 |
01733 37 | BT | 15/07/1994 |
01733 38 | BT | 15/07/1994 |
01733 39 | BT | 15/07/1994 |
01733 40 | BT | 15/07/1994 |
01733 41 | BT | 15/07/1994 |
01733 42 | BT | 15/07/1994 |
01733 43 | TalkTalk Communications Limited | 29/06/2006 |
01733 440 | Lumen Technologies UK Limited | 06/04/2006 |
01733 441 | Commi Holdings Limited | 21/11/2016 |
01733 442 | TelNG Limited | 28/02/2007 |
01733 443 | Lumen Technologies UK Limited | 06/04/2006 |
01733 444 | Virgin Media Limited | 31/08/2006 |
01733 445 | Virgin Media Limited | 31/08/2006 |
01733 447 | Spitfire Network Services Limited | 22/08/2006 |
01733 448 | Localphone Limited | 14/05/2007 |
01733 449 | Resilient PLC | 04/01/2007 |
01733 45 | Vodafone Ltd (C&W) | 10/09/2013 |
01733 46 | Vodafone Ltd (C&W) | 10/09/2013 |
01733 47 | Vodafone Ltd (C&W) | 10/09/2013 |
01733 48 | Redcentric Solutions Limited | 05/06/2015 |
01733 490 | GCI Network Solutions Ltd | 26/04/2017 |
01733 50 | BT | 15/07/1994 |
01733 510 | Digital Space Group Limited | 12/04/2016 |
01733 511 | VoiceHost Limited | 20/08/2010 |
01733 512 | TalkTalk Communications Limited | 08/01/2015 |
01733 513 | Voiceflex Limited | 30/07/2007 |
01733 514 | (AQ) LIMITED | 12/09/2012 |
01733 515 | Colt Technology Services | 11/05/2006 |
01733 516 | VoIP-Un Limited | 05/11/2007 |
01733 517 | Digitech Solutions Global Limited | 26/06/2012 |
01733 518 | Invade International Ltd | 12/01/2016 |
01733 519 | Telecom2 Limited | 10/09/2009 |
01733 52 | Verizon UK Limited | 24/11/2004 |
01733 53 | AQL Wholesale Ltd | 01/11/2004 |
01733 54 | TGL Services (UK) Ltd | 02/02/2015 |
01733 55 | BT | 30/10/1997 |
01733 56 | BT | 30/10/1997 |
01733 57 | BT | 15/07/1994 |
01733 58 | BT | 15/07/1994 |
01733 590 | Kalnet4U Ltd | 10/06/2013 |
01733 591 | Annecto Telecom | 11/05/2017 |
01733 592 | Voxbone SA | 28/11/2007 |
01733 593 | TelXL Ltd | 12/02/2008 |
01733 594 | Digital Space Group Limited | 15/03/2016 |
01733 595 | AQL Wholesale Ltd | 04/08/2006 |
01733 596 | Net-Work Internet Ltd | 21/09/2007 |
01733 597 | Digital Space Group Limited | 20/05/2008 |
01733 598 | Nationwide Telephone Assistance Ltd | 12/10/2007 |
01733 599 | I.T Communications Limited | 09/03/2015 |
01733 600 | Nodemax Limited | 09/07/2008 |
01733 601 | TalkTalk Communications Limited | 14/02/2013 |
01733 602 | Inet Telecoms Ltd (Voipfone) | 24/09/2008 |
01733 604 | Barritel Limited | 08/10/2008 |
01733 606 | Served Up Limited | 14/10/2008 |
01733 608 | Solutios Limited | 25/11/2008 |
01733 609 | Vonage Limited | 21/01/2015 |
01733 610 | Linear Telecoms Limited | 18/10/2010 |
01733 611 | Nexbridge Communications Limited | 09/01/2012 |
01733 612 | Simwood eSMS Limited | 02/02/2012 |
01733 614 | Bicom Systems EURL | 01/03/2012 |
01733 615 | TalkTalk Communications Limited | 22/03/2012 |
01733 617 | Sky UK Limited | 21/06/2013 |
01733 618 | API Telecom Limited | 10/04/2012 |
01733 619 | ICC Networks Ltd | 16/04/2012 |
01733 620 | Sky UK Limited | 21/06/2013 |
01733 621 | Mars Communications Limited | 05/02/2009 |
01733 622 | IPV6 Limited | 06/02/2009 |
01733 623 | Chess Limited | 06/04/2018 |
01733 624 | Andrews & Arnold (Numbers) Ltd | 27/03/2009 |
01733 627 | Telecoms World PLC | 09/06/2009 |
01733 630 | Vectone Mobile Limited | 01/07/2009 |
01733 631 | Nexus Telecommunications Limited | 30/09/2009 |
01733 632 | GCI Network Solutions Ltd | 25/04/2017 |
01733 633 | CFL Communications Ltd | 24/09/2009 |
01733 634 | Business Broadcast Communications Limited | 16/10/2009 |
01733 636 | TeleWare Group PLC | 08/01/2010 |
01733 637 | I-NET COMMUNICATIONS GROUP PLC | 13/01/2010 |
01733 638 | WIGHTFIBRE LIMITED | 13/01/2010 |
01733 639 | Buzz Networks Limited | 26/02/2010 |
01733 640 | Atomstream Limited | 29/03/2010 |
01733 641 | Liquid 11 Limited | 20/04/2010 |
01733 642 | Digitech Solutions Global Limited | 27/04/2010 |
01733 643 | Calltracks Limited | 23/09/2013 |
01733 644 | Suretec Systems Ltd | 12/05/2010 |
01733 645 | Windsor Telecom Ltd | 22/07/2010 |
01733 646 | Telappliant Ltd | 21/06/2010 |
01733 647 | Intrado Cloud Solutions Limited | 02/08/2010 |
01733 648 | TeleSurf Limited | 30/06/2010 |
01733 649 | Sky UK Limited | 21/06/2013 |
01733 650 | Inclarity Communications Limited | 08/11/2012 |
01733 651 | Inclarity Communications Limited | 25/02/2013 |
01733 652 | Inclarity Communications Limited | 25/02/2013 |
01733 654 | Inclarity Communications Limited | 13/11/2020 |
01733 655 | Inclarity Communications Limited | 25/02/2013 |
01733 660 | Sky UK Limited | 03/12/2013 |
01733 661 | Sky UK Limited | 17/07/2013 |
01733 662 | Sky UK Limited | 17/07/2013 |
01733 663 | Redwood Technologies Ltd | 15/11/2018 |
01733 664 | iHub 2 Limited | 18/05/2016 |
01733 665 | TalkTalk Communications Limited | 20/06/2014 |
01733 666 | Gamma Telecom Holdings Ltd | 22/05/2014 |
01733 667 | Gamma Telecom Holdings Ltd | 20/11/2013 |
01733 668 | Sky UK Limited | 15/09/2014 |
01733 669 | BT | 24/10/2013 |
01733 671 | Virgin Media Limited | 29/06/2012 |
01733 672 | Virgin Media Limited | 29/06/2012 |
01733 673 | Virgin Media Limited | 29/06/2012 |
01733 674 | Virgin Media Limited | 29/06/2012 |
01733 675 | Virgin Media Limited | 29/06/2012 |
01733 676 | Virgin Media Limited | 29/06/2012 |
01733 677 | Virgin Media Limited | 29/06/2012 |
01733 678 | Virgin Media Limited | 29/06/2012 |
01733 685 | TalkTalk Communications Limited | 19/01/2012 |
01733 686 | TalkTalk Communications Limited | 19/01/2012 |
01733 687 | TalkTalk Communications Limited | 19/01/2012 |
01733 688 | TalkTalk Communications Limited | 19/01/2012 |
01733 689 | TalkTalk Communications Limited | 19/01/2012 |
01733 690 | Media Telecom Ltd | 05/08/2010 |
01733 691 | Core Telecom Limited | 06/08/2010 |
01733 692 | Telephone Box Limited | 09/12/2010 |
01733 695 | Minotaur Telecom Limited | 31/01/2013 |
01733 696 | Relax Telecom Limited | 15/08/2014 |
01733 697 | Orbtalk Limited | 05/07/2011 |
01733 698 | Invosys Limited | 17/05/2012 |
01733 699 | Numbergroup Utilities Ltd | 04/11/2010 |
01733 70 | Virgin Media Limited | 16/02/1995 |
01733 710 | Phone Co-Op Numbering Limited | 21/12/2010 |
01733 711 | IP Wholesale Limited | 01/06/2017 |
01733 712 | Numbers Plus Ltd | 28/07/2011 |
01733 713 | Sky UK Limited | 21/06/2013 |
01733 714 | Media Hawk Ltd | 26/09/2011 |
01733 715 | Hello Telecom (UK) Limited | 17/11/2011 |
01733 716 | Internexus Networks Limited | 22/11/2011 |
01733 718 | Sky UK Limited | 21/06/2013 |
01733 719 | Sky UK Limited | 21/06/2013 |
01733 727 | Vodafone Ltd (C&W) | 01/04/2019 |
01733 728 | Vodafone Ltd (C&W) | 01/04/2019 |
01733 729 | Vodafone Ltd (Thus) | 25/01/2012 |
01733 730 | Cloudcall Limited | 30/04/2012 |
01733 731 | Ziron Limited | 31/07/2012 |
01733 732 | Sky UK Limited | 21/06/2013 |
01733 733 | Numbergroup Utilities Ltd | 29/04/2019 |
01733 734 | IOVOX Limited | 04/07/2012 |
01733 735 | Sky UK Limited | 21/06/2013 |
01733 736 | Invoco Ltd | 25/04/2012 |
01733 737 | Content Guru Limited | 12/10/2012 |
01733 738 | Orange Business Holdings UK Limited | 16/01/2013 |
01733 739 | TalkTalk Communications Limited | 19/02/2013 |
01733 74 | Virgin Media Limited | 26/11/1997 |
01733 750 | Virgin Media Limited | 16/02/1995 |
01733 751 | Virgin Media Limited | 16/02/1995 |
01733 752 | Virgin Media Limited | 16/02/1995 |
01733 753 | Virgin Media Limited | 16/02/1995 |
01733 754 | Virgin Media Limited | 16/02/1995 |
01733 755 | Virgin Media Limited | 16/02/1995 |
01733 756 | Virgin Media Limited | 16/02/1995 |
01733 757 | Virgin Media Limited | 16/02/1995 |
01733 758 | Virgin Media Limited | 16/02/1995 |
01733 759 | Virgin Media Limited | 16/02/1995 |
01733 76 | Virgin Media Limited | 16/02/1995 |
01733 77 | Virgin Media Limited | 16/02/1995 |
01733 780 | Syntec Limited | 16/09/2005 |
01733 781 | Vodafone Ltd (C&W) | 10/09/2013 |
01733 782 | FleXtel Limited | 11/11/2005 |
01733 783 | Six Degrees Technology Group Limited | 01/04/2019 |
01733 784 | GTT-EMEA LTD | 14/10/2021 |
01733 785 | TTNC Limited | 15/11/2013 |
01733 788 | VoiceHost Limited | 20/08/2010 |
01733 789 | Vodafone Ltd (C&W) | 18/06/2013 |
01733 790 | Calltracks Limited | 02/11/2016 |
01733 791 | Adepteo Limited | 06/12/2016 |
01733 792 | Sky UK Limited | 25/08/2017 |
01733 793 | Colt Technology Services | 21/02/2017 |
01733 794 | Gamma Telecom Holdings Ltd | 06/09/2017 |
01733 795 | IP Voice Networks Ltd | 20/09/2017 |
01733 796 | Gamma Telecom Holdings Ltd | 03/02/2017 |
01733 797 | Gamma Telecom Holdings Ltd | 26/09/2016 |
01733 798 | Fuse 2 Communications Ltd | 03/07/2017 |
01733 799 | Number Services Ltd. | 22/11/2018 |
01733 80 | Magrathea Telecommunications Limited | 24/09/2004 |
01733 810 | BT | 15/07/1994 |
01733 811 | BT | 15/07/1994 |
01733 813 | BT | 15/07/1994 |
01733 814 | BT | 15/07/1994 |
01733 815 | BT | 15/07/1994 |
01733 816 | BT | 15/07/1994 |
01733 817 | BT | 15/07/1994 |
01733 819 | BT | 15/07/1994 |
01733 82 | Affiniti Integrated Solutions Limited | 29/11/2004 |
01733 830 | Gamma Telecom Holdings Ltd | 13/08/2018 |
01733 831 | TalkTalk Communications Limited | 12/02/2019 |
01733 832 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 21/01/2020 |
01733 833 | DIDWW Ireland Limited | 15/10/2018 |
01733 834 | BT | 24/04/2019 |
01733 835 | SiPalto Ltd | 23/01/2020 |
01733 836 | Colt Technology Services | 25/11/2020 |
01733 837 | Sky UK Limited | 22/12/2020 |
01733 838 | Gamma Telecom Holdings Ltd | 12/02/2019 |
01733 839 | Club Communications Ltd | 21/09/2018 |
01733 84 | BT | 15/07/1994 |
01733 850 | IOVOX Limited | 26/02/2015 |
01733 851 | Sky UK Limited | 18/02/2015 |
01733 852 | BT | 20/04/2015 |
01733 853 | Sky UK Limited | 19/06/2015 |
01733 854 | Sky UK Limited | 04/12/2015 |
01733 855 | YayYay Limited | 24/04/2015 |
01733 856 | Gamma Telecom Holdings Ltd | 14/01/2016 |
01733 857 | Gamma Telecom Holdings Ltd | 17/06/2015 |
01733 858 | Metronet (UK) Limited | 21/05/2019 |
01733 859 | Internet of Things Limited | 13/08/2018 |
01733 86 | BT | 15/07/1994 |
01733 87 | BT | 15/07/1994 |
01733 882 | BT | 15/07/1994 |
01733 883 | BT | 15/07/1994 |
01733 884 | BT | 15/07/1994 |
01733 885 | BT | 15/07/1994 |
01733 886 | BT | 15/07/1994 |
01733 887 | BT | 15/07/1994 |
01733 888 | BT | 15/07/1994 |
01733 889 | BT | 15/07/1994 |
01733 89 | BT | 15/07/1994 |
01733 900 | Digital Mail Limited | 09/03/2016 |
01733 901 | Alnitak GmbH | 14/01/2016 |
01733 902 | Gamma Telecom Holdings Ltd | 12/05/2016 |
01733 903 | NFON UK Ltd | 29/04/2016 |
01733 904 | Belgacom International Carrier Services SA | 20/06/2016 |
01733 905 | Sky UK Limited | 10/06/2016 |
01733 906 | Fido Telecom Limited | 19/07/2016 |
01733 907 | Gamma Telecom Holdings Ltd | 01/10/2015 |
01733 940 | TalkTalk Communications Limited | 24/11/2017 |
01733 941 | Entanet International Ltd | 05/12/2017 |
01733 942 | Gamma Telecom Holdings Ltd | 07/02/2018 |
01733 943 | Colt Technology Services | 18/05/2018 |
01733 944 | Zapappi Ltd | 05/01/2018 |
01733 945 | Hyperoptic Ltd | 23/05/2018 |
01733 960 | Dial 9 Communications Limited | 25/10/2019 |
01733 961 | BT | 28/06/2021 |
01733 962 | Lanonyx Telecom Limited | 10/08/2021 |
01733 963 | BT | 23/09/2020 |
01733 964 | Twilio Ireland Limited | 13/10/2020 |
01733 965 | WIZE ANALYTICS LIMITED | 30/04/2019 |
01733 966 | ICUK Computing Services Limited | 12/08/2019 |
01733 968 | Gamma Telecom Holdings Ltd | 02/08/2021 |
01733 969 | VOXYONDER NETWORK SERVICES UK LTD | 28/08/2020 |
01733 970 | TELNYX UK LIMITED | 07/05/2020 |
01733 971 | Gamma Telecom Holdings Ltd | 22/02/2021 |
01733 972 | Gamma Telecom Holdings Ltd | 15/07/2020 |
01733 973 | BT | 07/01/2020 |
01733 974 | Gamma Telecom Holdings Ltd | 12/10/2020 |
01733 976 | Mi Telecom Limited | 03/07/2020 |
01733 977 | Gamma Telecom Holdings Ltd | 01/08/2019 |
01733 978 | Gamma Telecom Holdings Ltd | 24/03/2020 |
01733 979 | Gamma Telecom Holdings Ltd | 06/01/2020 |