United Kingdom

Number Code Allocated To Number Length Notes
01663 20xxxx Syntec UK Ltd 4+6 F-Digit '2'
01663 21xxxx Inclarity plc 4+6 F-Digit '2'
01663 22xxxx Freshtel UK Limited 4+6 F-Digit '7'
01663 23xxxx Net Solutions Europe Limited 4+6 F-Digit '3'
01663 24xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01663 25xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01663 26xxxx Orange Home UK Plc 4+6 F-Digit '0'
01663 27xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01663 28xxxx TelNG Limited 4+6 F-Digit '2'
01663 29xxxx Localphone Limited 4+6 F-Digit '0'
01663 30xxxx Opal Telecom Limited 4+6 F-Digit '8'
01663 31xxxx VoIP-Un Limited 4+6 F-Digit '0'
01663 32xxxx Skycom Ltd 4+6 F-Digit '2'
01663 33xxxx Teledesign plc 4+6 F-Digit '2'
01663 34xxxx Coralbridge Ltd 4+6 F-Digit '0'
01663 35xxxx InTechnology Plc 4+6 F-Digit '2'
01663 36xxxx Telephony Services Limited 4+6 F-Digit '2'
01663 37xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01663 38xxxx Telecom2 Ltd 4+6 F-Digit '6'
01663 39xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01663 40xxxx Timico Limited 4+6 F-Digit '8'
01663 41xxxx Telswitch Limited 4+6 F-Digit '0'
01663 42xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01663 43xxxx Tiscali UK Limited 4+6 F-Digit '0'
01663 44xxxx Net-Work Internet Ltd 4+6 F-Digit '4'
01663 45xxxx Starcomm Ltd 4+6 F-Digit '0'
01663 46xxxx Voxbone SA 4+6 F-Digit '8'
01663 47xxxx 3C Limited 4+6 F-Digit '2'
01663 48xxxx Known Future Limited 4+6 F-Digit '6'
01663 49xxxx Solutios Limited 4+6 F-Digit '2'
01663 502xxx MRNEW BT, New Mills (Derbyshire) 4+6
01663 5060xx MRCHI BT, Chinley (Derbyshire) 4+6
01663 5064xx MRWHA BT, Whaley Bridge (Derbyshire) 4+6
01663 5082xx MRNEW BT, New Mills (Derbyshire) 4+6
01663 5083xx MRCHI BT, Chinley (Derbyshire) 4+6
01663 50xxxx BT 4+6
01663 51xxxx Mars Communications Limited 4+6 F-Digit '0'
01663 52xxxx IPV6 Limited 4+6 F-Digit '0'
01663 53xxxx Telecoms World Direct Ltd 4+6 F-Digit '0'
01663 54xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01663 55xxxx Switch Services Ltd 4+6 F-Digit '0'
01663 56xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01663 57xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01663 58xxxx CFL Communications Limited 4+6 F-Digit '0'
01663 59xxxx Danemere Street Creative 4+6 F-Digit '2'
01663 60xxxx Known Communications Limited 4+6 F-Digit '0'
01663 70xxxx LogicStar Limited 4+6
01663 71xxxx BT 4+6
01663 71xxxx MRWHA BT, Whaley Bridge (Derbyshire) 4+6
01663 72xxxx Affiniti Integrated Solutions Ltd 4+6
01663 73xxxx BT 4+6
01663 73xxxx MRWHA BT, Whaley Bridge (Derbyshire) 4+6
01663 74xxxx BT 4+6
01663 74xxxx MRNEW BT, New Mills (Derbyshire) 4+6
01663 75xxxx BT 4+6
01663 75xxxx MRCHI BT, Chinley (Derbyshire) 4+6
01663 76xxxx BT 4+6
01663 76xxxx MRDIS BT, Disley (Cheshire) 4+6
01663 77xxxx Edge Telecom Ltd 4+6
01663 78xxxx Thus Plc 4+6
01663 79xxxx Gamma Telecom Holdings Ltd 4+6
01663 80xxxx VTL (UK) Limited 4+6
01663 81xxxx Virgin Media Limited 4+6
01663 82xxxx FleXtel Limited 4+6
01663 83xxxx Virgin Media Limited 4+6
01663 84xxxx TELSTRA EUROPE LIMITED 4+6
01663 85xxxx Inclarity plc 4+6
01663 86xxxx Your Communications Ltd 4+6
01663 87xxxx Your Communications Ltd 4+6
01663 88xxxx Cable & Wireless UK 4+6
01663 89xxxx Magrathea Telecommunications Limited 4+6