01792 00 | Tipicall Limited | 04/02/2015 |
01792 103 | BT | 04/01/2016 |
01792 109 | BT | 17/12/2015 |
01792 20 | BT | 15/07/1994 |
01792 210 | Linear Telecoms Limited | 18/10/2010 |
01792 212 | Minotaur Telecom Limited | 01/02/2013 |
01792 213 | Orbtalk Limited | 08/04/2011 |
01792 215 | Sky UK Limited | 28/06/2013 |
01792 217 | Numbers Plus Ltd | 28/07/2011 |
01792 218 | Sky UK Limited | 16/12/2014 |
01792 219 | Sky UK Limited | 28/06/2013 |
01792 222 | BT | 06/06/2013 |
01792 224 | BT | 06/06/2013 |
01792 229 | BT | 06/06/2013 |
01792 230 | BT | 06/06/2013 |
01792 232 | BT | 06/06/2013 |
01792 233 | BT | 06/06/2013 |
01792 234 | BT | 06/06/2013 |
01792 235 | BT | 06/06/2013 |
01792 24 | Vodafone Ltd (Energis) | 26/05/2006 |
01792 25 | Redcentric Solutions Limited | 05/06/2015 |
01792 260 | GCI Network Solutions Ltd | 02/05/2017 |
01792 270 | Resilient PLC | 05/01/2007 |
01792 271 | TelNG Limited | 28/02/2007 |
01792 272 | Localphone Limited | 14/05/2007 |
01792 273 | (AQ) LIMITED | 26/09/2012 |
01792 274 | VoIP-Un Limited | 05/11/2007 |
01792 275 | Invade International Ltd | 13/01/2016 |
01792 277 | Voiceflex Limited | 30/07/2007 |
01792 278 | Vonage Limited | 26/01/2015 |
01792 280 | BT | 06/06/2013 |
01792 281 | BT | 06/06/2013 |
01792 284 | BT | 06/06/2013 |
01792 285 | BT | 06/06/2013 |
01792 286 | BT | 06/06/2013 |
01792 29 | BT | 15/07/1994 |
01792 300 | BT | 06/06/2013 |
01792 301 | BT | 06/06/2013 |
01792 303 | BT | 06/06/2013 |
01792 304 | BT | 06/06/2013 |
01792 305 | BT | 06/06/2013 |
01792 306 | BT | 06/06/2013 |
01792 307 | BT | 06/06/2013 |
01792 308 | BT | 06/06/2013 |
01792 309 | BT | 06/06/2013 |
01792 310 | BT | 06/06/2013 |
01792 311 | BT | 06/06/2013 |
01792 312 | BT | 06/06/2013 |
01792 313 | BT | 06/06/2013 |
01792 314 | BT | 06/06/2013 |
01792 315 | BT | 06/06/2013 |
01792 316 | BT | 06/06/2013 |
01792 321 | BT | 06/06/2013 |
01792 323 | BT | 06/06/2013 |
01792 324 | BT | 06/06/2013 |
01792 325 | BT | 06/06/2013 |
01792 326 | BT | 06/06/2013 |
01792 33 | BT | 03/11/1997 |
01792 341 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 342 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 343 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 344 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 345 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 346 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 347 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 348 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 349 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01792 35 | Vodafone Ltd (C&W) | 06/09/2013 |
01792 360 | BT | 06/06/2013 |
01792 361 | BT | 06/06/2013 |
01792 362 | BT | 06/06/2013 |
01792 363 | BT | 06/06/2013 |
01792 364 | BT | 09/12/2015 |
01792 365 | BT | 06/06/2013 |
01792 366 | BT | 06/06/2013 |
01792 367 | BT | 06/06/2013 |
01792 368 | BT | 06/06/2013 |
01792 369 | BT | 06/06/2013 |
01792 371 | BT | 06/06/2013 |
01792 379 | BT | 06/06/2013 |
01792 380 | BT | 06/06/2013 |
01792 381 | BT | 06/06/2013 |
01792 384 | BT | 06/06/2013 |
01792 386 | BT | 06/06/2013 |
01792 387 | BT | 06/06/2013 |
01792 389 | BT | 06/06/2013 |
01792 39 | BT | 15/07/1994 |
01792 401 | BT | 06/06/2013 |
01792 402 | BT | 06/06/2013 |
01792 403 | BT | 06/06/2013 |
01792 404 | BT | 06/06/2013 |
01792 405 | BT | 06/06/2013 |
01792 406 | BT | 06/06/2013 |
01792 407 | BT | 06/06/2013 |
01792 41 | Virgin Media Limited | 15/07/1994 |
01792 42 | Virgin Media Limited | 05/10/1994 |
01792 430 | Inclarity Communications Limited | 06/12/2010 |
01792 432 | Inclarity Communications Limited | 06/12/2010 |
01792 435 | Inclarity Communications Limited | 06/12/2010 |
01792 437 | API Telecom Limited | 10/04/2012 |
01792 439 | Simwood eSMS Limited | 29/03/2012 |
01792 446 | TalkTalk Communications Limited | 31/08/2011 |
01792 447 | TalkTalk Communications Limited | 31/08/2011 |
01792 448 | TalkTalk Communications Limited | 31/08/2011 |
01792 449 | TalkTalk Communications Limited | 31/08/2011 |
01792 45 | BT | 15/07/1994 |
01792 46 | BT | 15/07/1994 |
01792 470 | BT | 06/06/2013 |
01792 472 | BT | 06/06/2013 |
01792 473 | BT | 06/06/2013 |
01792 474 | BT | 06/06/2013 |
01792 475 | BT | 06/06/2013 |
01792 476 | BT | 06/06/2013 |
01792 477 | BT | 06/06/2013 |
01792 478 | BT | 06/06/2013 |
01792 479 | BT | 06/06/2013 |
01792 480 | BT | 06/06/2013 |
01792 481 | BT | 06/06/2013 |
01792 482 | BT | 06/06/2013 |
01792 483 | BT | 06/06/2013 |
01792 484 | BT | 06/06/2013 |
01792 485 | BT | 06/06/2013 |
01792 486 | BT | 06/06/2013 |
01792 487 | BT | 06/06/2013 |
01792 488 | BT | 06/06/2013 |
01792 49 | BT | 15/07/1994 |
01792 500 | BT | 06/06/2013 |
01792 501 | BT | 06/06/2013 |
01792 509 | BT | 06/06/2013 |
01792 51 | Virgin Media Limited | 22/08/1995 |
01792 52 | Virgin Media Limited | 13/06/1996 |
01792 53 | Virgin Media Limited | 26/03/1998 |
01792 54 | Virgin Media Limited | 29/07/1998 |
01792 55 | Virgin Media Limited | 01/06/1999 |
01792 560 | BT | 06/06/2013 |
01792 561 | BT | 06/06/2013 |
01792 562 | BT | 06/06/2013 |
01792 563 | BT | 06/06/2013 |
01792 564 | BT | 06/06/2013 |
01792 572 | BT | 06/06/2013 |
01792 578 | BT | 06/06/2013 |
01792 579 | BT | 06/06/2013 |
01792 58 | BT | 15/07/1994 |
01792 59 | Vodafone Ltd (C&W) | 06/09/2013 |
01792 60 | Virgin Media Limited | 03/11/1999 |
01792 61 | Virgin Media Limited | 22/08/2000 |
01792 620 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 621 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 622 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 623 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 624 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 625 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 626 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 628 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01792 630 | BT | 06/06/2013 |
01792 632 | BT | 06/06/2013 |
01792 633 | BT | 06/06/2013 |
01792 634 | BT | 06/06/2013 |
01792 635 | BT | 06/06/2013 |
01792 636 | BT | 06/06/2013 |
01792 637 | BT | 06/06/2013 |
01792 638 | BT | 06/06/2013 |
01792 641 | BT | 06/06/2013 |
01792 642 | BT | 06/06/2013 |
01792 643 | BT | 06/06/2013 |
01792 644 | BT | 06/06/2013 |
01792 645 | BT | 06/06/2013 |
01792 646 | BT | 06/06/2013 |
01792 648 | BT | 06/06/2013 |
01792 649 | BT | 06/06/2013 |
01792 65 | BT | 15/07/1994 |
01792 660 | Vodafone Ltd (C&W) | 30/04/2020 |
01792 662 | Virgin Media Limited | 31/07/2015 |
01792 672 | BT | 06/10/2015 |
01792 673 | Vodafone Ltd (C&W) | 06/09/2013 |
01792 674 | Spitfire Network Services Limited | 22/08/2006 |
01792 675 | Lumen Technologies UK Limited | 23/03/2006 |
01792 676 | Sky UK Limited | 02/09/2015 |
01792 677 | YayYay Limited | 24/04/2015 |
01792 678 | Digital Space Group Limited | 12/04/2016 |
01792 680 | Voxbone SA | 23/11/2007 |
01792 681 | Digital Space Group Limited | 15/03/2016 |
01792 682 | Telecom2 Limited | 10/09/2009 |
01792 683 | Sky UK Limited | 02/09/2015 |
01792 685 | Nodemax Limited | 17/07/2008 |
01792 686 | TalkTalk Communications Limited | 14/02/2013 |
01792 687 | Inet Telecoms Ltd (Voipfone) | 18/09/2008 |
01792 688 | Net-Work Internet Ltd | 21/07/2008 |
01792 689 | Telappliant Ltd | 03/02/2009 |
01792 691 | Served Up Limited | 22/10/2008 |
01792 692 | Barritel Limited | 09/10/2008 |
01792 698 | TeleWare Group PLC | 21/02/2013 |
01792 699 | Sky UK Limited | 28/06/2013 |
01792 700 | BT | 06/06/2013 |
01792 701 | BT | 06/06/2013 |
01792 702 | BT | 06/06/2013 |
01792 703 | BT | 06/06/2013 |
01792 704 | BT | 06/06/2013 |
01792 705 | BT | 06/06/2013 |
01792 708 | BT | 06/06/2013 |
01792 709 | BT | 06/06/2013 |
01792 711 | Verizon UK Limited | 03/08/2005 |
01792 712 | VoiceHost Limited | 09/12/2010 |
01792 713 | TTNC Limited | 15/11/2013 |
01792 714 | FleXtel Limited | 02/12/2005 |
01792 715 | GTT-EMEA LTD | 14/10/2021 |
01792 716 | Digital Mail Limited | 13/01/2006 |
01792 717 | Six Degrees Technology Group Limited | 14/01/2020 |
01792 718 | WAVECREST NETWORKS LIMITED | 16/12/2019 |
01792 719 | Vodafone Ltd (C&W) | 18/06/2013 |
01792 72 | AQL Wholesale Ltd | 01/11/2004 |
01792 730 | Syntec Limited | 18/04/2013 |
01792 731 | Sky UK Limited | 03/12/2013 |
01792 732 | Kalnet4U Ltd | 05/06/2013 |
01792 733 | iHub 2 Limited | 18/05/2016 |
01792 734 | Redwood Technologies Ltd | 15/11/2018 |
01792 735 | Nexbridge Communications Limited | 07/07/2021 |
01792 736 | TalkTalk Communications Limited | 20/06/2014 |
01792 737 | Colt Technology Services | 10/06/2013 |
01792 738 | IOVOX Limited | 21/09/2015 |
01792 739 | Gamma Telecom Holdings Ltd | 01/09/2014 |
01792 741 | Media Hawk Ltd | 02/12/2015 |
01792 742 | Andrews & Arnold (Numbers) Ltd | 02/04/2009 |
01792 743 | Dynamic Mobile Billing Limited | 09/04/2009 |
01792 745 | Gamma Telecom Holdings Ltd | 11/03/2021 |
01792 747 | Telecoms World PLC | 25/06/2009 |
01792 748 | Vectone Mobile Limited | 01/07/2009 |
01792 749 | Jtec UK Limited | 26/07/2011 |
01792 750 | TGL Services (UK) Ltd | 02/02/2015 |
01792 751 | TGL Services (UK) Ltd | 02/02/2015 |
01792 752 | TGL Services (UK) Ltd | 02/02/2015 |
01792 753 | TGL Services (UK) Ltd | 02/02/2015 |
01792 754 | TGL Services (UK) Ltd | 02/02/2015 |
01792 756 | TGL Services (UK) Ltd | 02/02/2015 |
01792 757 | TGL Services (UK) Ltd | 02/02/2015 |
01792 761 | BT | 06/06/2013 |
01792 762 | BT | 06/06/2013 |
01792 763 | BT | 06/06/2013 |
01792 764 | BT | 06/06/2013 |
01792 765 | BT | 06/06/2013 |
01792 766 | BT | 06/06/2013 |
01792 771 | BT | 06/06/2013 |
01792 772 | BT | 06/06/2013 |
01792 773 | BT | 06/06/2013 |
01792 774 | BT | 06/06/2013 |
01792 775 | BT | 06/06/2013 |
01792 776 | BT | 06/06/2013 |
01792 781 | BT | 06/06/2013 |
01792 782 | BT | 06/06/2013 |
01792 783 | BT | 06/06/2013 |
01792 784 | BT | 06/06/2013 |
01792 785 | BT | 06/06/2013 |
01792 786 | BT | 06/06/2013 |
01792 788 | BT | 06/06/2013 |
01792 79 | BT | 15/07/1994 |
01792 802 | I-NET COMMUNICATIONS GROUP PLC | 13/01/2010 |
01792 803 | BT | 29/10/2014 |
01792 804 | 8x8 UK Limited | 24/02/2010 |
01792 805 | Buzz Networks Limited | 26/02/2010 |
01792 806 | Optify Mediaforce Limited | 13/08/2015 |
01792 807 | Liquid 11 Limited | 20/04/2010 |
01792 808 | Suretec Systems Ltd | 13/05/2010 |
01792 809 | Sky UK Limited | 28/06/2013 |
01792 812 | BT | 07/06/2013 |
01792 813 | BT | 07/06/2013 |
01792 814 | BT | 07/06/2013 |
01792 815 | BT | 07/06/2013 |
01792 816 | BT | 07/06/2013 |
01792 817 | BT | 07/06/2013 |
01792 818 | BT | 07/06/2013 |
01792 820 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 821 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 822 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 823 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 824 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 825 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 828 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 829 | Magrathea Telecommunications Limited | 16/11/2011 |
01792 830 | BT | 07/06/2013 |
01792 832 | BT | 07/06/2013 |
01792 841 | BT | 07/06/2013 |
01792 842 | BT | 07/06/2013 |
01792 843 | BT | 07/06/2013 |
01792 844 | BT | 07/06/2013 |
01792 845 | BT | 07/06/2013 |
01792 846 | BT | 07/06/2013 |
01792 847 | BT | 07/06/2013 |
01792 849 | BT | 07/06/2013 |
01792 850 | BT | 07/06/2013 |
01792 851 | BT | 07/06/2013 |
01792 852 | BT | 07/06/2013 |
01792 860 | BT | 07/06/2013 |
01792 862 | BT | 07/06/2013 |
01792 863 | BT | 07/06/2013 |
01792 864 | BT | 07/06/2013 |
01792 865 | BT | 07/06/2013 |
01792 869 | BT | 07/06/2013 |
01792 87 | BT | 15/07/1994 |
01792 881 | BT | 07/06/2013 |
01792 882 | BT | 07/06/2013 |
01792 883 | BT | 07/06/2013 |
01792 884 | BT | 07/06/2013 |
01792 885 | BT | 07/06/2013 |
01792 886 | BT | 07/06/2013 |
01792 888 | BT | 07/06/2013 |
01792 889 | BT | 07/06/2013 |
01792 89 | BT | 15/07/1994 |
01792 900 | Calltracks Limited | 20/09/2013 |
01792 901 | Core Telecom Limited | 06/08/2010 |
01792 903 | Plus Telecom Limited | 24/09/2010 |
01792 904 | Sky UK Limited | 28/06/2013 |
01792 905 | Numbergroup Utilities Ltd | 04/11/2010 |
01792 907 | Alnitak GmbH | 06/04/2016 |
01792 909 | Windsor Telecom Ltd | 22/07/2010 |
01792 910 | Invosys Limited | 15/02/2012 |
01792 911 | Sky UK Limited | 28/06/2013 |
01792 912 | Media Hawk Ltd | 26/09/2011 |
01792 913 | Internexus Networks Limited | 22/11/2011 |
01792 914 | Hello Telecom (UK) Limited | 24/11/2011 |
01792 917 | Nexbridge Communications Limited | 10/01/2012 |
01792 919 | Sky UK Limited | 28/06/2013 |
01792 920 | Sky UK Limited | 28/06/2013 |
01792 921 | Ziron Limited | 31/07/2012 |
01792 922 | Orange Business Holdings UK Limited | 19/07/2012 |
01792 923 | Sky UK Limited | 28/06/2013 |
01792 925 | IOVOX Limited | 03/07/2012 |
01792 926 | ICC Networks Ltd | 17/04/2012 |
01792 927 | Sky UK Limited | 28/06/2013 |
01792 928 | TalkTalk Communications Limited | 17/04/2012 |
01792 929 | Invoco Ltd | 01/05/2012 |
01792 930 | TalkTalk Communications Limited | 02/10/2012 |
01792 931 | TalkTalk Communications Limited | 16/10/2012 |
01792 932 | Sky UK Limited | 28/06/2013 |
01792 933 | Intrado Cloud Solutions Limited | 15/01/2013 |
01792 934 | Sky UK Limited | 17/07/2013 |
01792 935 | I.T Communications Limited | 18/04/2016 |
01792 936 | Sky UK Limited | 25/07/2013 |
01792 937 | Sky UK Limited | 17/07/2013 |
01792 939 | Content Guru Limited | 11/10/2012 |
01792 940 | Gamma Telecom Holdings Ltd | 10/06/2016 |
01792 941 | Sky UK Limited | 10/06/2016 |
01792 942 | Entanet International Ltd | 18/08/2016 |
01792 944 | Sky UK Limited | 03/10/2016 |
01792 945 | Hyperoptic Ltd | 04/04/2017 |
01792 946 | BT | 16/08/2019 |
01792 947 | Sky UK Limited | 04/11/2019 |
01792 948 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 22/01/2020 |
01792 949 | Twilio Ireland Limited | 13/10/2020 |
01792 950 | TalkTalk Communications Limited | 23/10/2017 |
01792 951 | Virgin Media Limited | 03/07/2017 |
01792 952 | Gamma Telecom Holdings Ltd | 14/02/2018 |
01792 953 | Sky UK Limited | 30/08/2018 |
01792 954 | Club Communications Ltd | 21/09/2018 |
01792 955 | Number Services Ltd. | 22/11/2018 |
01792 956 | Zapappi Ltd | 05/01/2018 |
01792 957 | Gamma Telecom Holdings Ltd | 04/04/2017 |
01792 959 | DIDWW Ireland Limited | 19/10/2017 |
01792 960 | TalkTalk Communications Limited | 15/10/2018 |
01792 961 | BT | 12/02/2019 |
01792 962 | Colt Technology Services | 17/01/2019 |
01792 963 | Voiceflex Limited | 06/01/2021 |
01792 964 | Colt Technology Services | 09/12/2019 |
01792 966 | Gamma Telecom Holdings Ltd | 06/03/2019 |
01792 967 | Voxbone SA | 13/10/2021 |
01792 968 | Colt Technology Services | 30/11/2020 |
01792 970 | Calltracks Limited | 27/03/2020 |
01792 974 | BT | 08/10/2020 |
01792 977 | Gamma Telecom Holdings Ltd | 24/07/2020 |
01792 978 | BT | 12/04/2021 |
01792 979 | BT | 21/07/2021 |
01792 981 | Colt Technology Services | 19/10/2021 |
01792 982 | SiPalto Ltd | 17/02/2020 |
01792 983 | BT | 09/03/2020 |
01792 984 | Gamma Telecom Holdings Ltd | 20/01/2021 |
01792 985 | Mi Telecom Limited | 06/07/2020 |
01792 986 | Gamma Telecom Holdings Ltd | 16/09/2020 |
01792 987 | Gamma Telecom Holdings Ltd | 27/05/2020 |
01792 988 | Belgacom International Carrier Services SA | 23/04/2020 |
01792 989 | Gamma Telecom Holdings Ltd | 01/08/2019 |