United Kingdom

Number Code Allocated To Number Length Notes
01503 20xxxx Magrathea Telecommunications Limited 4+6
01503 21xxxx Edge Telecom Ltd 4+6
01503 22xxxx BT 4+6
01503 22xxxx WWLANR BT, Lanreath (Cornwall) 4+6
01503 23xxxx BT 4+6
01503 23xxxx WWSGER BT, St Germans (Cornwall) 4+6
01503 24xxxx BT 4+6
01503 24xxxx WWWDGT BT, Widegates (Cornwall) 4+6
01503 25xxxx BT 4+6
01503 25xxxx WWDOWN BT, Downderry (Cornwall) 4+6
01503 26xxxx BT 4+6
01503 26xxxx WWLOOE BT, Looe (Cornwall) 4+6
01503 27xxxx BT 4+6
01503 27xxxx WWPOLP BT, Polperro (Cornwall) 4+6
01503 28xxxx Cable & Wireless UK 4+6
01503 29xxxx FleXtel Limited 4+6
01503 30xxxx Coralbridge Ltd 4+6 F-Digit '0'
01503 31xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01503 32xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01503 33xxxx Net-Work Internet Ltd 4+6 F-Digit '3'
01503 34xxxx VoIP-Un Limited 4+6 F-Digit '0'
01503 35xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01503 36xxxx Telecom2 Ltd 4+6 F-Digit '6'
01503 37xxxx Telswitch Limited 4+6 F-Digit '0'
01503 38xxxx Timico Limited 4+6 F-Digit '8'
01503 39xxxx Voxbone SA 4+6 F-Digit '8'
01503 40xxxx Starcomm Ltd 4+6 F-Digit '0'
01503 41xxxx 3C Limited 4+6 F-Digit '2'
01503 42xxxx Solutios Limited 4+6 F-Digit '2'
01503 43xxxx Mars Communications Limited 4+6 F-Digit '0'
01503 44xxxx IPV6 Limited 4+6 F-Digit '0'
01503 45xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01503 46xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01503 47xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01503 48xxxx Known Communications Limited 4+6 F-Digit '0'
01503 50xxxx Telephony Services Limited 4+6 F-Digit '5'
01503 51xxxx Orange Home UK Plc 4+6 F-Digit '0'
01503 52xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01503 53xxxx Known Future Limited 4+6 F-Digit '3'
01503 54xxxx TelNG Limited 4+6 F-Digit '2'
01503 55xxxx Net Solutions Europe Limited 4+6 F-Digit '5'
01503 56xxxx Localphone Limited 4+6 F-Digit '0'
01503 57xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01503 58xxxx InTechnology Plc 4+6 F-Digit '2'
01503 59xxxx Opal Telecom Limited 4+6 F-Digit '8'
01503 60xxxx CFL Communications Limited 4+6 F-Digit '0'
01503 62xxxx Danemere Street Creative 4+6 F-Digit '2'
01503 70xxxx LogicStar Limited 4+6
01503 71xxxx C3 Europe Limited 4+6 F-Digit '1'
01503 72xxxx TELSTRA EUROPE LIMITED 4+6
01503 73xxxx Syntec UK Ltd 4+6
01503 74xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01503 75xxxx BT 4+6
01503 75xxxx WWLOOE BT, Looe (Cornwall) 4+6
01503 76xxxx Inclarity plc 4+6 F-Digit '2'
01503 77xxxx Gamma Telecom Holdings Ltd 4+6
01503 78xxxx Skycom Ltd 4+6 F-Digit '2'
01503 79xxxx Teledesign plc 4+6 F-Digit '2'