01209 20 | BT | 11/12/1995 |
01209 21 | BT | 15/07/1994 |
01209 22 | Vodafone Ltd (C&W) | 31/07/2013 |
01209 23 | Redcentric Solutions Limited | 05/06/2015 |
01209 24 | AQL Wholesale Ltd | 29/10/2004 |
01209 250 | Linear Telecoms Limited | 04/10/2010 |
01209 251 | Bicom Systems EURL | 02/03/2012 |
01209 252 | API Telecom Limited | 26/03/2012 |
01209 253 | ICC Networks Ltd | 16/07/2012 |
01209 254 | IOVOX Limited | 03/04/2012 |
01209 255 | Simwood eSMS Limited | 14/02/2012 |
01209 256 | Ziron Limited | 27/07/2012 |
01209 258 | Content Guru Limited | 12/10/2012 |
01209 26 | FleXtel Limited | 18/10/2005 |
01209 27 | GCI Network Solutions Ltd | 20/04/2017 |
01209 281 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01209 282 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01209 288 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01209 290 | Inclarity Communications Limited | 18/02/2011 |
01209 291 | Inclarity Communications Limited | 18/02/2011 |
01209 292 | Inclarity Communications Limited | 18/02/2011 |
01209 293 | Nexbridge Communications Limited | 06/03/2012 |
01209 294 | Orbtalk Limited | 06/09/2011 |
01209 295 | Inclarity Communications Limited | 18/02/2011 |
01209 298 | Internexus Networks Limited | 18/11/2011 |
01209 299 | Invoco Ltd | 21/09/2011 |
01209 30 | (AQ) LIMITED | 19/10/2011 |
01209 31 | BT | 15/07/1994 |
01209 320 | Net-Work Internet Ltd | 10/08/2011 |
01209 33 | Nationwide Telephone Assistance Ltd | 15/10/2007 |
01209 34 | VoIP-Un Limited | 25/10/2007 |
01209 357 | Digital Space Group Limited | 15/03/2016 |
01209 36 | Digital Space Group Limited | 29/11/2007 |
01209 37 | Vodafone Ltd (Energis) | 28/01/2008 |
01209 38 | Telecom2 Limited | 11/09/2009 |
01209 39 | Nodemax Limited | 09/07/2008 |
01209 40 | Commi Holdings Limited | 21/11/2016 |
01209 418 | TalkTalk Communications Limited | 08/02/2013 |
01209 42 | Solutios Limited | 20/08/2008 |
01209 440 | Voxbone SA | 05/12/2011 |
01209 450 | Barritel Limited | 16/11/2011 |
01209 451 | Barritel Limited | 16/11/2011 |
01209 452 | Barritel Limited | 16/11/2011 |
01209 453 | Barritel Limited | 16/11/2011 |
01209 454 | Barritel Limited | 16/11/2011 |
01209 455 | Barritel Limited | 16/11/2011 |
01209 456 | Barritel Limited | 16/11/2011 |
01209 457 | Barritel Limited | 16/11/2011 |
01209 459 | Barritel Limited | 16/11/2011 |
01209 46 | IPV6 Limited | 22/01/2009 |
01209 47 | Mars Communications Limited | 05/02/2009 |
01209 48 | Sky UK Limited | 20/06/2013 |
01209 494 | Andrews & Arnold (Numbers) Ltd | 07/09/2011 |
01209 500 | Inet Telecoms Ltd (Voipfone) | 05/10/2012 |
01209 501 | Inet Telecoms Ltd (Voipfone) | 05/10/2012 |
01209 507 | Inet Telecoms Ltd (Voipfone) | 05/10/2012 |
01209 51 | Telecoms World PLC | 06/03/2009 |
01209 52 | Nexus Telecommunications Limited | 16/06/2009 |
01209 53 | Invade International Ltd | 21/01/2016 |
01209 54 | Vectone Mobile Limited | 07/07/2009 |
01209 55 | CFL Communications Ltd | 07/07/2009 |
01209 56 | TeleWare Group PLC | 14/08/2009 |
01209 580 | Suretec Systems Ltd | 29/04/2010 |
01209 581 | Telappliant Ltd | 20/05/2010 |
01209 582 | Calltracks Limited | 31/01/2014 |
01209 583 | VoiceHost Limited | 26/08/2010 |
01209 584 | Telephone Box Limited | 09/11/2010 |
01209 585 | Windsor Telecom Ltd | 19/07/2010 |
01209 587 | Digitech Solutions Global Limited | 23/04/2010 |
01209 588 | Atomstream Limited | 23/04/2010 |
01209 589 | Numbergroup Utilities Ltd | 02/11/2010 |
01209 590 | Digital Mail Limited | 21/12/2010 |
01209 591 | Invosys Limited | 09/07/2012 |
01209 592 | IP Wholesale Limited | 01/06/2017 |
01209 593 | Hello Telecom (UK) Limited | 15/02/2011 |
01209 594 | Minotaur Telecom Limited | 06/02/2013 |
01209 595 | Media Hawk Ltd | 10/04/2013 |
01209 596 | Kalnet4U Ltd | 08/05/2013 |
01209 597 | I-NET COMMUNICATIONS GROUP PLC | 19/06/2013 |
01209 598 | iHub 2 Limited | 18/05/2016 |
01209 599 | XoverX Ltd | 29/04/2013 |
01209 61 | BT | 15/07/1994 |
01209 62 | TelNG Limited | 26/02/2007 |
01209 63 | Localphone Limited | 24/04/2007 |
01209 64 | Voiceflex Limited | 27/07/2007 |
01209 666 | Served Up Limited | 01/03/2013 |
01209 667 | Served Up Limited | 01/03/2013 |
01209 677 | Spitfire Network Services Limited | 21/07/2011 |
01209 697 | TalkTalk Communications Limited | 17/10/2011 |
01209 698 | TalkTalk Communications Limited | 17/10/2011 |
01209 699 | TalkTalk Communications Limited | 17/10/2011 |
01209 700 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 701 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 702 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 703 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 704 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 705 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 706 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 707 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 708 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01209 71 | BT | 15/07/1994 |
01209 72 | BT | 17/12/1997 |
01209 73 | TGL Services (UK) Ltd | 02/02/2015 |
01209 744 | Six Degrees Technology Group Limited | 03/04/2020 |
01209 78 | TTNC Limited | 25/11/2013 |
01209 79 | Syntec Limited | 15/11/2005 |
01209 800 | Magrathea Telecommunications Limited | 17/11/2011 |
01209 801 | Magrathea Telecommunications Limited | 17/11/2011 |
01209 806 | Magrathea Telecommunications Limited | 17/11/2011 |
01209 807 | Magrathea Telecommunications Limited | 17/11/2011 |
01209 808 | Magrathea Telecommunications Limited | 17/11/2011 |
01209 809 | Magrathea Telecommunications Limited | 17/11/2011 |
01209 81 | Citrus Telecommunications Ltd | 06/03/2006 |
01209 82 | BT | 15/07/1994 |
01209 83 | BT | 15/07/1994 |
01209 84 | BT | 15/07/1994 |
01209 850 | Number Services Ltd. | 22/11/2018 |
01209 851 | Zapappi Ltd | 05/01/2018 |
01209 852 | Club Communications Ltd | 18/05/2018 |
01209 853 | Antheus Telecom Limited | 07/02/2018 |
01209 854 | 24 SEVEN CLOUD COMMUNICATIONS LTD | 21/01/2020 |
01209 855 | Adepteo Limited | 16/01/2017 |
01209 858 | I.T Communications Limited | 21/10/2016 |
01209 859 | IP Voice Networks Ltd | 20/09/2017 |
01209 86 | BT | 15/07/1994 |
01209 870 | DIDWW Ireland Limited | 27/01/2020 |
01209 874 | Colt Technology Services | 27/05/2020 |
01209 877 | Lanonyx Telecom Limited | 10/08/2021 |
01209 878 | Belgacom International Carrier Services SA | 24/04/2020 |
01209 88 | BT | 15/07/1994 |
01209 89 | BT | 15/07/1994 |
01209 900 | Redwood Technologies Ltd | 15/11/2018 |
01209 901 | TalkTalk Communications Limited | 10/11/2014 |
01209 902 | YayYay Limited | 24/04/2015 |
01209 903 | Alnitak GmbH | 25/04/2017 |
01209 904 | Fuse 2 Communications Ltd | 03/07/2017 |
01209 906 | M247 Ltd | 20/05/2015 |
01209 909 | Colt Technology Services | 21/04/2015 |
01209 910 | Dial 9 Communications Limited | 09/12/2019 |
01209 911 | ICUK Computing Services Limited | 05/06/2020 |
01209 914 | SiPalto Ltd | 06/07/2020 |
01209 915 | Mi Telecom Limited | 03/07/2020 |
01209 916 | BT | 28/06/2021 |
01209 919 | VOXYONDER NETWORK SERVICES UK LTD | 10/09/2020 |