United Kingdom

Number Code Allocated To Number Length Notes
01239 20xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01239 21xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01239 22xxxx VoIP-Un Limited 4+6 F-Digit '0'
01239 23xxxx Timico Limited 4+6 F-Digit '8'
01239 24xxxx Voxbone SA 4+6 F-Digit '8'
01239 25xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01239 26xxxx Telecom2 Ltd 4+6 F-Digit '6'
01239 27xxxx Telswitch Limited 4+6 F-Digit '0'
01239 28xxxx InTechnology Plc 4+6 F-Digit '2'
01239 29xxxx Solutios Limited 4+6 F-Digit '2'
01239 30xxxx T.T.N.C. Limited 4+6 F-Digit '1,2,3'
01239 31xxxx Orange Home UK Plc 4+6 F-Digit '0'
01239 32xxxx Danemere Street Creative 4+6 F-Digit '2'
01239 33xxxx Known Future Limited 4+6 F-Digit '9'
01239 34xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01239 35xxxx TelNG Limited 4+6 F-Digit '2'
01239 36xxxx Localphone Limited 4+6 F-Digit '0'
01239 37xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01239 38xxxx Starcomm Ltd 4+6 F-Digit '0'
01239 39xxxx Telephony Services Limited 4+6 F-Digit '3'
01239 40xxxx Callagenix Ltd 4+6 F-Digit '0'
01239 41xxxx Skycom Ltd 4+6 F-Digit '2'
01239 42xxxx 3C Limited 4+6 F-Digit '2'
01239 43xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01239 44xxxx IPV6 Limited 4+6 F-Digit '0'
01239 45xxxx Mars Communications Limited 4+6 F-Digit '0'
01239 46xxxx INET Telecoms Ltd (Voipfone) 4+6 F-Digit '0'
01239 47xxxx Telecoms World Plc 4+6 F-Digit '0'
01239 48xxxx Switch Services Ltd 4+6 F-Digit '0'
01239 49xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01239 50xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01239 51xxxx CFL Communications Limited 4+6 F-Digit '0'
01239 52xxxx TeleWare PLC 4+6 F-Digit '3'
01239 53xxxx Known Communications Limited 4+6 F-Digit '0'
01239 60xxxx TG Support Limited 4+6
01239 61xxxx BT 4+6
01239 61xxxx SWCG BT, Cardigan (Dyfed) 4+6
01239 62xxxx BT 4+6
01239 62xxxx SWCG BT, Cardigan (Dyfed) 4+6
01239 63xxxx Cable & Wireless UK 4+6
01239 6431xx SWCG BT, Cardigan (Dyfed) 4+6
01239 6432xx SWNEN BT, Newcastle Emlyn (Dyfed) 4+6
01239 6434xx SWNDO BT, Newport (dyfed) (Dyfed) 4+6
01239 6435xx SWCG BT, Cardigan (Dyfed) 4+6
01239 6437xx SWNEN BT, Newcastle Emlyn (Dyfed) 4+6
01239 6438xx SWCG BT, Cardigan (Dyfed) 4+6
01239 647xxx SWCG BT, Cardigan (Dyfed) 4+6
01239 64xxxx BT 4+6
01239 65xxxx BT 4+6
01239 65xxxx SWLGC BT, Llangranog (Dyfed) 4+6
01239 66xxxx Edge Telecom Ltd 4+6
01239 67xxxx LogicStar Limited 4+6
01239 68xxxx BT 4+6
01239 68xxxx SWLLW BT, Llechryd (Dyfed) 4+6
01239 69xxxx BT 4+6
01239 69xxxx SWLNN BT, Llwyndrain (Dyfed) 4+6
01239 70xxxx Syntec UK Ltd 4+6
01239 71xxxx BT 4+6
01239 71xxxx SWNEN BT, Newcastle Emlyn (Dyfed) 4+6
01239 72xxxx Inclarity plc 4+6
01239 73xxxx C3 Europe Limited 4+6
01239 74xxxx TELSTRA EUROPE LIMITED 4+6
01239 75xxxx Opal Telecom Limited 4+6 F-Digit '8'
01239 76xxxx Net Solutions Europe Limited 4+6
01239 77xxxx Freshtel UK Limited 4+6 F-Digit '0'
01239 78xxxx FleXtel Limited 4+6
01239 79xxxx Teledesign plc 4+6 F-Digit '2'
01239 80xxxx Gamma Telecom Holdings Ltd 4+6
01239 81xxxx BT 4+6
01239 81xxxx SWAPO BT, Aberporth (Dyfed) 4+6
01239 82xxxx BT 4+6
01239 82xxxx SWNDO BT, Newport (dyfed) (Dyfed) 4+6
01239 83xxxx BT 4+6
01239 83xxxx SWZIY BT, Crymych (Dyfed) 4+6
01239 84xxxx BT 4+6
01239 84xxxx SWQCT BT, Boncath (Dyfed) 4+6
01239 85xxxx BT 4+6
01239 85xxxx SWRLS BT, Rhydlewis (Dyfed) 4+6
01239 86xxxx Citrus Telecommunications Ltd 4+6
01239 87xxxx Magrathea Telecommunications Limited 4+6
01239 88xxxx BT 4+6
01239 89xxxx BT 4+6
01239 89xxxx SWZWJ BT, Crosswell (Dyfed) 4+6