01206 20 | Vodafone Ltd (C&W) | 30/07/2013 |
01206 210 | BT | 28/05/2013 |
01206 211 | BT | 28/05/2013 |
01206 212 | BT | 28/05/2013 |
01206 213 | BT | 28/05/2013 |
01206 214 | BT | 28/05/2013 |
01206 215 | BT | 28/05/2013 |
01206 216 | BT | 28/05/2013 |
01206 217 | BT | 28/05/2013 |
01206 222 | BT | 28/05/2013 |
01206 223 | BT | 28/05/2013 |
01206 224 | BT | 28/05/2013 |
01206 225 | BT | 28/05/2013 |
01206 226 | BT | 28/05/2013 |
01206 227 | BT | 28/05/2013 |
01206 228 | BT | 28/05/2013 |
01206 229 | BT | 28/05/2013 |
01206 230 | BT | 28/05/2013 |
01206 231 | BT | 28/05/2013 |
01206 232 | BT | 28/05/2013 |
01206 233 | BT | 28/05/2013 |
01206 234 | TalkTalk Communications Limited | 19/10/2017 |
01206 235 | BT | 28/05/2013 |
01206 236 | Entanet International Ltd | 05/12/2017 |
01206 237 | Gamma Telecom Holdings Ltd | 16/11/2017 |
01206 238 | Telappliant Ltd | 05/04/2018 |
01206 239 | Gamma Telecom Holdings Ltd | 19/06/2018 |
01206 24 | BT | 15/07/1994 |
01206 250 | BT | 28/05/2013 |
01206 251 | BT | 28/05/2013 |
01206 252 | BT | 28/05/2013 |
01206 254 | Hyperoptic Ltd | 23/05/2018 |
01206 255 | BT | 28/05/2013 |
01206 256 | BT | 28/05/2013 |
01206 257 | BT | 28/05/2013 |
01206 258 | Colt Technology Services | 04/06/2018 |
01206 259 | BT | 24/08/2018 |
01206 262 | BT | 28/05/2013 |
01206 263 | BT | 28/05/2013 |
01206 264 | BT | 28/05/2013 |
01206 265 | BT | 28/05/2013 |
01206 266 | BT | 28/05/2013 |
01206 271 | BT | 28/05/2013 |
01206 272 | BT | 28/05/2013 |
01206 273 | BT | 28/05/2013 |
01206 274 | BT | 28/05/2013 |
01206 28 | BT | 15/07/1994 |
01206 290 | BT | 28/05/2013 |
01206 291 | BT | 28/05/2013 |
01206 294 | BT | 28/05/2013 |
01206 295 | BT | 28/05/2013 |
01206 296 | BT | 28/05/2013 |
01206 297 | BT | 28/05/2013 |
01206 298 | BT | 28/05/2013 |
01206 299 | BT | 28/05/2013 |
01206 302 | BT | 28/05/2013 |
01206 303 | BT | 28/05/2013 |
01206 304 | BT | 28/05/2013 |
01206 305 | BT | 28/05/2013 |
01206 306 | BT | 28/05/2013 |
01206 307 | BT | 28/05/2013 |
01206 308 | BT | 28/05/2013 |
01206 309 | BT | 28/05/2013 |
01206 31 | Verizon UK Limited | 05/11/2004 |
01206 321 | BT | 28/05/2013 |
01206 322 | BT | 28/05/2013 |
01206 323 | BT | 28/05/2013 |
01206 325 | BT | 28/05/2013 |
01206 326 | BT | 28/05/2013 |
01206 329 | BT | 28/05/2013 |
01206 330 | BT | 28/05/2013 |
01206 331 | BT | 28/05/2013 |
01206 332 | BT | 28/05/2013 |
01206 333 | BT | 28/05/2013 |
01206 334 | BT | 28/05/2013 |
01206 337 | BT | 28/05/2013 |
01206 338 | BT | 28/05/2013 |
01206 34 | Vodafone Ltd (C&W) | 30/04/2020 |
01206 350 | TGL Services (UK) Ltd | 02/02/2015 |
01206 351 | TGL Services (UK) Ltd | 02/02/2015 |
01206 352 | TGL Services (UK) Ltd | 02/02/2015 |
01206 353 | TGL Services (UK) Ltd | 02/02/2015 |
01206 354 | TGL Services (UK) Ltd | 02/02/2015 |
01206 362 | BT | 28/05/2013 |
01206 363 | BT | 28/05/2013 |
01206 364 | BT | 28/05/2013 |
01206 365 | BT | 28/05/2013 |
01206 366 | BT | 28/05/2013 |
01206 367 | BT | 28/05/2013 |
01206 368 | BT | 28/05/2013 |
01206 369 | BT | 28/05/2013 |
01206 370 | TalkTalk Communications Limited | 09/09/2014 |
01206 371 | Lumen Technologies UK Limited | 18/01/2007 |
01206 372 | Redcentric Solutions Limited | 05/06/2015 |
01206 373 | TelNG Limited | 26/02/2007 |
01206 374 | Localphone Limited | 24/04/2007 |
01206 377 | Spitfire Network Services Limited | 21/08/2006 |
01206 379 | Resilient PLC | 05/12/2006 |
01206 381 | BT | 28/05/2013 |
01206 382 | BT | 28/05/2013 |
01206 383 | BT | 28/05/2013 |
01206 384 | BT | 28/05/2013 |
01206 385 | BT | 28/05/2013 |
01206 386 | BT | 28/05/2013 |
01206 39 | BT | 15/07/1994 |
01206 400 | GTT-EMEA LTD | 13/10/2021 |
01206 405 | GTT-EMEA LTD | 13/10/2021 |
01206 409 | GTT-EMEA LTD | 19/10/2021 |
01206 410 | Sky UK Limited | 18/11/2020 |
01206 413 | BT | 13/09/2021 |
01206 414 | Colt Technology Services | 26/05/2021 |
01206 417 | Gamma Telecom Holdings Ltd | 16/09/2020 |
01206 420 | Vodafone Ltd (C&W) | 30/07/2013 |
01206 421 | Vodafone Ltd (C&W) | 30/07/2013 |
01206 422 | Vodafone Ltd (C&W) | 30/07/2013 |
01206 423 | Vodafone Ltd (C&W) | 30/07/2013 |
01206 424 | Vodafone Ltd (C&W) | 30/07/2013 |
01206 425 | Vodafone Ltd (C&W) | 31/07/2013 |
01206 426 | Vodafone Ltd (C&W) | 31/07/2013 |
01206 43 | TTNC Limited | 25/11/2013 |
01206 443 | Net Solutions Europe Limited | 02/08/2013 |
01206 460 | FleXtel Limited | 27/06/2017 |
01206 462 | FleXtel Limited | 27/06/2017 |
01206 468 | FleXtel Limited | 27/06/2017 |
01206 470 | Vodafone Ltd (C&W) | 20/06/2013 |
01206 472 | Vodafone Ltd (C&W) | 20/06/2013 |
01206 480 | Club Communications Ltd | 21/09/2018 |
01206 481 | BT | 15/10/2018 |
01206 482 | Gamma Telecom Holdings Ltd | 15/10/2018 |
01206 483 | BT | 14/11/2018 |
01206 484 | Voiceflex Limited | 30/01/2020 |
01206 485 | Belgacom International Carrier Services SA | 14/10/2019 |
01206 486 | TalkTalk Communications Limited | 12/02/2019 |
01206 487 | Gamma Telecom Holdings Ltd | 04/11/2019 |
01206 488 | ICUK Computing Services Limited | 20/09/2019 |
01206 489 | Gamma Telecom Holdings Ltd | 10/05/2019 |
01206 491 | Barritel Limited | 13/06/2014 |
01206 492 | Barritel Limited | 13/06/2014 |
01206 493 | Barritel Limited | 13/06/2014 |
01206 498 | Barritel Limited | 13/06/2014 |
01206 50 | Virgin Media Limited | 15/07/1994 |
01206 51 | Virgin Media Limited | 15/07/1994 |
01206 52 | Virgin Media Limited | 13/09/1994 |
01206 53 | Virgin Media Limited | 13/09/1994 |
01206 54 | BT | 30/04/1997 |
01206 560 | BT | 28/05/2013 |
01206 561 | BT | 28/05/2013 |
01206 562 | BT | 28/05/2013 |
01206 563 | BT | 28/05/2013 |
01206 564 | BT | 28/05/2013 |
01206 57 | BT | 15/07/1994 |
01206 58 | Gamma Telecom Holdings Ltd | 11/03/2005 |
01206 590 | (AQ) LIMITED | 19/10/2011 |
01206 591 | Nationwide Telephone Assistance Ltd | 01/10/2007 |
01206 592 | Net-Work Internet Ltd | 21/09/2007 |
01206 593 | Voiceflex Limited | 26/07/2007 |
01206 594 | VoIP-Un Limited | 25/10/2007 |
01206 596 | Digital Space Group Limited | 15/03/2016 |
01206 598 | Voxbone SA | 29/01/2008 |
01206 603 | Digital Space Group Limited | 12/04/2016 |
01206 615 | TalkTalk Communications Limited | 31/08/2011 |
01206 616 | TalkTalk Communications Limited | 31/08/2011 |
01206 617 | TalkTalk Communications Limited | 31/08/2011 |
01206 618 | TalkTalk Communications Limited | 31/08/2011 |
01206 619 | TalkTalk Communications Limited | 31/08/2011 |
01206 620 | Telecom2 Limited | 11/09/2009 |
01206 621 | TalkTalk Communications Limited | 12/02/2013 |
01206 622 | Nodemax Limited | 17/07/2008 |
01206 625 | Inet Telecoms Ltd (Voipfone) | 24/09/2008 |
01206 626 | Sky UK Limited | 20/06/2013 |
01206 628 | Sky UK Limited | 16/12/2014 |
01206 629 | Optify Mediaforce Limited | 20/02/2009 |
01206 630 | Andrews & Arnold (Numbers) Ltd | 25/02/2009 |
01206 631 | Telecoms World PLC | 05/03/2009 |
01206 632 | Numbergroup Utilities Ltd | 02/11/2010 |
01206 633 | I-NET COMMUNICATIONS GROUP PLC | 06/05/2009 |
01206 634 | Invade International Ltd | 12/01/2016 |
01206 635 | Gamma Telecom Holdings Ltd | 11/03/2021 |
01206 636 | Gamma Telecom Holdings Ltd | 11/03/2021 |
01206 637 | Vectone Mobile Limited | 29/06/2009 |
01206 638 | Vonage Limited | 23/01/2015 |
01206 639 | TeleWare Group PLC | 14/08/2009 |
01206 642 | Sky UK Limited | 24/07/2015 |
01206 643 | GCI Network Solutions Ltd | 19/04/2017 |
01206 644 | WIGHTFIBRE LIMITED | 18/01/2010 |
01206 645 | Buzz Networks Limited | 01/03/2010 |
01206 646 | 8x8 UK Limited | 19/02/2010 |
01206 648 | Liquid 11 Limited | 20/04/2010 |
01206 652 | Calltracks Limited | 19/09/2013 |
01206 653 | Core Telecom Limited | 05/08/2010 |
01206 654 | Windsor Telecom Ltd | 19/07/2010 |
01206 655 | Intrado Cloud Solutions Limited | 02/08/2010 |
01206 656 | VoiceHost Limited | 26/08/2010 |
01206 657 | Sky UK Limited | 20/06/2013 |
01206 659 | Digital Mail Limited | 21/12/2010 |
01206 66 | Citrus Telecommunications Ltd | 06/03/2006 |
01206 670 | YayYay Limited | 24/04/2015 |
01206 671 | IP Wholesale Limited | 01/06/2017 |
01206 672 | Sky UK Limited | 20/06/2013 |
01206 673 | Invoco Ltd | 21/09/2011 |
01206 675 | Colt Technology Services | 21/10/2011 |
01206 676 | Internexus Networks Limited | 18/11/2011 |
01206 677 | Media Hawk Ltd | 26/09/2011 |
01206 679 | Sky UK Limited | 20/06/2013 |
01206 681 | Sky UK Limited | 22/09/2015 |
01206 682 | API Telecom Limited | 26/03/2012 |
01206 683 | Sky UK Limited | 20/06/2013 |
01206 684 | IOVOX Limited | 03/04/2012 |
01206 685 | ICC Networks Ltd | 16/07/2012 |
01206 687 | Ziron Limited | 27/07/2012 |
01206 688 | Simwood eSMS Limited | 30/04/2012 |
01206 689 | Numbergroup Utilities Ltd | 08/05/2012 |
01206 690 | DIDWW Ireland Limited | 29/06/2020 |
01206 691 | SiPalto Ltd | 06/07/2020 |
01206 692 | BT | 09/03/2020 |
01206 693 | BT | 01/05/2020 |
01206 696 | Colt Technology Services | 01/04/2020 |
01206 697 | Orbital Net Limited | 19/08/2020 |
01206 698 | Mi Telecom Limited | 03/07/2020 |
01206 699 | Gamma Telecom Holdings Ltd | 20/04/2020 |
01206 70 | AQL Wholesale Ltd | 29/10/2004 |
01206 71 | BT | 15/07/1994 |
01206 72 | BT | 15/07/1994 |
01206 731 | BT | 28/05/2013 |
01206 732 | BT | 28/05/2013 |
01206 733 | BT | 28/05/2013 |
01206 734 | BT | 28/05/2013 |
01206 735 | BT | 28/05/2013 |
01206 736 | BT | 28/05/2013 |
01206 737 | BT | 28/05/2013 |
01206 738 | BT | 28/05/2013 |
01206 74 | BT | 11/12/1998 |
01206 751 | BT | 28/05/2013 |
01206 752 | BT | 28/05/2013 |
01206 753 | BT | 28/05/2013 |
01206 754 | BT | 28/05/2013 |
01206 755 | BT | 28/05/2013 |
01206 756 | BT | 28/05/2013 |
01206 76 | BT | 15/07/1994 |
01206 771 | BT | 28/05/2013 |
01206 773 | BT | 28/05/2013 |
01206 777 | BT | 28/05/2013 |
01206 780 | BT | 28/05/2013 |
01206 784 | BT | 28/05/2013 |
01206 785 | BT | 28/05/2013 |
01206 788 | BT | 28/05/2013 |
01206 79 | BT | 15/07/1994 |
01206 80 | Magrathea Telecommunications Limited | 24/09/2004 |
01206 812 | BT | 28/05/2013 |
01206 814 | BT | 28/05/2013 |
01206 815 | BT | 28/05/2013 |
01206 816 | BT | 28/05/2013 |
01206 817 | BT | 28/05/2013 |
01206 820 | BT | 28/05/2013 |
01206 821 | BT | 28/05/2013 |
01206 822 | BT | 28/05/2013 |
01206 823 | BT | 28/05/2013 |
01206 824 | BT | 28/05/2013 |
01206 825 | BT | 28/05/2013 |
01206 826 | BT | 28/05/2013 |
01206 827 | BT | 28/05/2013 |
01206 828 | BT | 28/05/2013 |
01206 830 | BT | 28/05/2013 |
01206 831 | BT | 28/05/2013 |
01206 832 | BT | 28/05/2013 |
01206 833 | BT | 28/05/2013 |
01206 834 | BT | 28/05/2013 |
01206 835 | BT | 28/05/2013 |
01206 838 | BT | 28/05/2013 |
01206 839 | BT | 28/05/2013 |
01206 840 | BT | 28/05/2013 |
01206 841 | BT | 28/05/2013 |
01206 842 | BT | 28/05/2013 |
01206 843 | BT | 28/05/2013 |
01206 844 | BT | 28/05/2013 |
01206 845 | BT | 28/05/2013 |
01206 846 | BT | 28/05/2013 |
01206 848 | BT | 28/05/2013 |
01206 849 | BT | 28/05/2013 |
01206 851 | BT | 28/05/2013 |
01206 852 | BT | 28/05/2013 |
01206 853 | BT | 28/05/2013 |
01206 854 | BT | 28/05/2013 |
01206 855 | BT | 28/05/2013 |
01206 86 | BT | 15/07/1994 |
01206 870 | BT | 28/05/2013 |
01206 871 | BT | 28/05/2013 |
01206 872 | BT | 28/05/2013 |
01206 873 | BT | 28/05/2013 |
01206 874 | BT | 28/05/2013 |
01206 875 | BT | 28/05/2013 |
01206 876 | Gamma Telecom Holdings Ltd | 24/07/2015 |
01206 877 | BT | 28/05/2013 |
01206 878 | BT | 28/05/2013 |
01206 879 | Gamma Telecom Holdings Ltd | 10/06/2016 |
01206 888 | Served Up Limited | 01/03/2013 |
01206 889 | Served Up Limited | 01/03/2013 |
01206 890 | BT | 28/05/2013 |
01206 892 | BT | 28/05/2013 |
01206 893 | BT | 28/05/2013 |
01206 894 | BT | 28/05/2013 |
01206 899 | BT | 28/05/2013 |
01206 904 | Six Degrees Technology Group Limited | 14/01/2020 |
01206 910 | Syntec Limited | 18/04/2013 |
01206 911 | BT | 12/08/2013 |
01206 912 | Kalnet4U Ltd | 08/05/2013 |
01206 913 | BT | 28/08/2013 |
01206 914 | Calltracks Limited | 21/10/2014 |
01206 915 | IOVOX Limited | 23/10/2014 |
01206 916 | Redwood Technologies Ltd | 15/11/2018 |
01206 917 | Media Hawk Ltd | 25/11/2015 |
01206 918 | Gamma Telecom Holdings Ltd | 25/06/2015 |
01206 919 | iHub 2 Limited | 18/05/2016 |
01206 920 | Sky UK Limited | 22/07/2016 |
01206 921 | Alnitak GmbH | 10/06/2016 |
01206 923 | Media Hawk Ltd | 28/09/2016 |
01206 924 | I.T Communications Limited | 21/10/2016 |
01206 931 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01206 932 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01206 933 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01206 934 | Affiniti Integrated Solutions Limited | 16/12/2011 |
01206 940 | Inclarity Communications Limited | 30/11/2010 |
01206 945 | Inclarity Communications Limited | 30/11/2010 |
01206 950 | Linear Telecoms Limited | 04/10/2010 |
01206 960 | GCI Network Solutions Ltd | 20/04/2017 |
01206 969 | GCI Network Solutions Ltd | 21/08/2020 |
01206 970 | Sky UK Limited | 20/06/2013 |
01206 971 | Sky UK Limited | 20/06/2013 |
01206 972 | Hello Telecom (UK) Limited | 25/07/2012 |
01206 973 | TalkTalk Communications Limited | 19/02/2013 |
01206 974 | Sky UK Limited | 15/08/2013 |
01206 975 | Sky UK Limited | 12/06/2013 |
01206 976 | Content Guru Limited | 12/10/2012 |
01206 978 | Sky UK Limited | 15/08/2013 |
01206 980 | Calltracks Limited | 12/01/2017 |
01206 981 | Sky UK Limited | 27/10/2016 |
01206 982 | BT | 20/04/2017 |
01206 983 | Calltracks Limited | 23/08/2017 |
01206 984 | BT | 05/09/2017 |
01206 985 | Number Services Ltd. | 22/11/2018 |
01206 986 | Gamma Telecom Holdings Ltd | 12/05/2017 |
01206 987 | Gamma Telecom Holdings Ltd | 11/11/2016 |
01206 988 | IOVOX Limited | 28/03/2017 |
01206 989 | Invosys Limited | 23/08/2017 |