01664 20 | Nationwide Telephone Assistance Ltd | 01/10/2007 |
01664 21 | (AQ) LIMITED | 12/09/2012 |
01664 23 | Voiceflex Limited | 27/09/2007 |
01664 24 | Invade International Ltd | 21/01/2016 |
01664 25 | VoIP-Un Limited | 01/11/2007 |
01664 26 | Redcentric Solutions Limited | 05/06/2015 |
01664 27 | Telecom2 Limited | 11/09/2009 |
01664 28 | Digital Space Group Limited | 16/05/2008 |
01664 29 | Nodemax Limited | 09/07/2008 |
01664 308 | TalkTalk Communications Limited | 08/02/2013 |
01664 310 | Voxbone SA | 05/12/2011 |
01664 341 | Served Up Limited | 01/03/2013 |
01664 342 | Served Up Limited | 01/03/2013 |
01664 35 | Solutios Limited | 20/11/2008 |
01664 36 | Mars Communications Limited | 05/02/2009 |
01664 37 | Sky UK Limited | 01/07/2013 |
01664 383 | Andrews & Arnold (Numbers) Ltd | 07/09/2011 |
01664 39 | Telecoms World Direct Ltd | 28/04/2009 |
01664 40 | AQL Wholesale Ltd | 01/11/2004 |
01664 41 | BT | 15/07/1994 |
01664 42 | BT | 15/07/1994 |
01664 43 | BT | 15/07/1994 |
01664 44 | BT | 15/07/1994 |
01664 45 | BT | 15/07/1994 |
01664 46 | BT | 15/07/1994 |
01664 47 | BT | 15/07/1994 |
01664 48 | BT | 15/07/1994 |
01664 490 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 491 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 492 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 493 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 494 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 496 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 497 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 498 | Gamma Telecom Holdings Ltd | 15/11/2012 |
01664 50 | BT | 15/07/1994 |
01664 510 | Linear Telecoms Limited | 14/10/2010 |
01664 511 | Simwood eSMS Limited | 09/02/2012 |
01664 512 | Bicom Systems EURL | 01/03/2012 |
01664 513 | Invoco Ltd | 03/04/2012 |
01664 514 | API Telecom Limited | 05/04/2012 |
01664 516 | ICC Networks Ltd | 16/04/2012 |
01664 517 | Orbtalk Limited | 23/02/2012 |
01664 518 | IOVOX Limited | 04/07/2012 |
01664 520 | Inclarity Communications Limited | 08/11/2012 |
01664 521 | Inclarity Communications Limited | 08/11/2012 |
01664 522 | Inclarity Communications Limited | 08/11/2012 |
01664 525 | Inclarity Communications Limited | 08/11/2012 |
01664 53 | BT | 17/08/1995 |
01664 54 | Vodafone Ltd (Thus) | 24/01/2012 |
01664 55 | GCI Network Solutions Ltd | 02/05/2017 |
01664 56 | BT | 16/02/1998 |
01664 57 | FleXtel Limited | 23/11/2005 |
01664 582 | GTT-EMEA LTD | 15/10/2021 |
01664 585 | GTT-EMEA LTD | 15/10/2021 |
01664 586 | GTT-EMEA LTD | 15/10/2021 |
01664 587 | GTT-EMEA LTD | 15/10/2021 |
01664 59 | TGL Services (UK) Ltd | 02/02/2015 |
01664 60 | Syntec Limited | 16/12/2005 |
01664 62 | TelNG Limited | 28/02/2007 |
01664 63 | Localphone Limited | 10/05/2007 |
01664 65 | TTNC Limited | 12/11/2013 |
01664 668 | TalkTalk Communications Limited | 31/08/2011 |
01664 669 | TalkTalk Communications Limited | 31/08/2011 |
01664 677 | Spitfire Network Services Limited | 21/07/2011 |
01664 680 | Barritel Limited | 16/11/2011 |
01664 682 | Barritel Limited | 16/11/2011 |
01664 683 | Barritel Limited | 16/11/2011 |
01664 684 | Barritel Limited | 16/11/2011 |
01664 685 | Barritel Limited | 16/11/2011 |
01664 686 | Barritel Limited | 16/11/2011 |
01664 687 | Barritel Limited | 16/11/2011 |
01664 688 | Barritel Limited | 16/11/2011 |
01664 689 | Barritel Limited | 16/11/2011 |
01664 690 | Net-Work Internet Ltd | 10/08/2011 |
01664 70 | IPV6 Limited | 13/02/2009 |
01664 71 | Vectone Mobile Limited | 01/07/2009 |
01664 72 | CFL Communications Ltd | 14/07/2009 |
01664 730 | Phone Co-Op Numbering Limited | 23/12/2010 |
01664 732 | Invosys Limited | 17/05/2012 |
01664 733 | IP Wholesale Limited | 01/06/2017 |
01664 734 | Nexbridge Communications Limited | 09/03/2012 |
01664 735 | Minotaur Telecom Limited | 01/02/2013 |
01664 738 | Inet Telecoms Ltd (Voipfone) | 17/10/2011 |
01664 739 | Internexus Networks Limited | 22/11/2011 |
01664 76 | Nexus Telecommunications Limited | 28/09/2009 |
01664 770 | Digitech Solutions Global Limited | 27/04/2010 |
01664 771 | Calltracks Limited | 23/09/2013 |
01664 772 | Numbergroup Utilities Ltd | 04/11/2010 |
01664 773 | Telephone Box Limited | 15/12/2010 |
01664 774 | Telappliant Ltd | 21/06/2010 |
01664 775 | Windsor Telecom Ltd | 22/07/2010 |
01664 776 | Atomstream Limited | 14/05/2010 |
01664 777 | Suretec Systems Ltd | 07/05/2010 |
01664 778 | VoiceHost Limited | 05/10/2010 |
01664 780 | Ziron Limited | 31/07/2012 |
01664 781 | Content Guru Limited | 12/10/2012 |
01664 782 | Hello Telecom (UK) Limited | 02/01/2013 |
01664 783 | Media Hawk Ltd | 10/04/2013 |
01664 784 | Kalnet4U Ltd | 30/05/2013 |
01664 785 | I-NET COMMUNICATIONS GROUP PLC | 03/07/2013 |
01664 786 | BT | 18/12/2013 |
01664 787 | XoverX Ltd | 30/04/2013 |
01664 788 | Numbers Plus Ltd | 14/02/2013 |
01664 789 | Intrado Cloud Solutions Limited | 19/02/2013 |
01664 790 | VOXYONDER NETWORK SERVICES UK LTD | 16/09/2020 |
01664 791 | DIDWW Ireland Limited | 18/02/2021 |
01664 792 | Lanonyx Telecom Limited | 10/08/2021 |
01664 800 | Virgin Media Limited | 27/06/2012 |
01664 801 | Virgin Media Limited | 27/06/2012 |
01664 802 | Virgin Media Limited | 27/06/2012 |
01664 803 | Virgin Media Limited | 27/06/2012 |
01664 81 | BT | 15/07/1994 |
01664 82 | BT | 15/07/1994 |
01664 84 | BT | 15/07/1994 |
01664 85 | Virgin Media Limited | 15/07/1994 |
01664 86 | Vodafone Ltd (C&W) | 09/09/2013 |
01664 874 | Six Degrees Technology Group Limited | 15/01/2020 |
01664 881 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01664 882 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01664 888 | Affiniti Integrated Solutions Limited | 19/12/2011 |
01664 890 | Magrathea Telecommunications Limited | 17/11/2011 |
01664 891 | Magrathea Telecommunications Limited | 17/11/2011 |
01664 896 | Magrathea Telecommunications Limited | 17/11/2011 |
01664 897 | Magrathea Telecommunications Limited | 17/11/2011 |
01664 898 | Magrathea Telecommunications Limited | 17/11/2011 |
01664 899 | Magrathea Telecommunications Limited | 17/11/2011 |
01664 900 | Redwood Technologies Ltd | 15/11/2018 |
01664 901 | YayYay Limited | 24/04/2015 |
01664 902 | iHub 2 Limited | 18/05/2016 |
01664 903 | I.T Communications Limited | 01/02/2016 |
01664 904 | Resilient PLC | 14/05/2014 |
01664 906 | Adepteo Limited | 06/12/2016 |
01664 907 | IP Voice Networks Ltd | 20/09/2017 |
01664 909 | Metronet (UK) Limited | 21/05/2019 |
01664 913 | Entanet International Ltd | 12/12/2017 |
01664 914 | Colt Technology Services | 18/07/2016 |
01664 915 | Club Communications Ltd | 31/07/2018 |
01664 916 | Dial 9 Communications Limited | 10/12/2019 |
01664 917 | Fuse 2 Communications Ltd | 03/07/2017 |
01664 918 | Zapappi Ltd | 05/01/2018 |
01664 919 | Number Services Ltd. | 22/11/2018 |