United Kingdom

Number Code Allocated To Number Length Notes
01540 20xxxx Known Future Limited 4+6 F-Digit '0'
01540 21xxxx Gamma Telecom Holdings Ltd 4+6
01540 22xxxx FleXtel Limited 4+6
01540 23xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01540 24xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01540 25xxxx Skycom Ltd 4+6 F-Digit '2'
01540 26xxxx Syntec UK Ltd 4+6 F-Digit '2'
01540 27xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01540 28xxxx C3 Europe Limited 4+6 F-Digit '0'
01540 29xxxx TelNG Limited 4+6 F-Digit '2'
01540 30xxxx Localphone Limited 4+6 F-Digit '1'
01540 31xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01540 32xxxx Teledesign plc 4+6 F-Digit '2'
01540 33xxxx InTechnology Plc 4+6 F-Digit '2'
01540 34xxxx Coralbridge Ltd 4+6 F-Digit '0'
01540 35xxxx VoIP-Un Limited 4+6 F-Digit '0'
01540 36xxxx Opal Telecom Limited 4+6 F-Digit '8'
01540 37xxxx Telephony Services Limited 4+6 F-Digit '2'
01540 38xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01540 39xxxx Timico Limited 4+6 F-Digit '8'
01540 40xxxx Telecom2 Ltd 4+6 F-Digit '6'
01540 41xxxx Telswitch Limited 4+6 F-Digit '0'
01540 42xxxx Starcomm Ltd 4+6 F-Digit '0'
01540 43xxxx Voxbone SA 4+6 F-Digit '8'
01540 44xxxx 3C Limited 4+6 F-Digit '2'
01540 45xxxx Net-Work Internet Ltd 4+6 F-Digit '5'
01540 46xxxx Solutios Limited 4+6 F-Digit '2'
01540 47xxxx Mars Communications Limited 4+6 F-Digit '0'
01540 48xxxx IPV6 Limited 4+6 F-Digit '0'
01540 49xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01540 50xxxx CFL Communications Limited 4+6 F-Digit '0'
01540 51xxxx Known Communications Limited 4+6 F-Digit '0'
01540 52xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01540 54xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01540 55xxxx Danemere Street Creative 4+6 F-Digit '2'
01540 59xxxx LogicStar Limited 4+6
01540 60xxxx Thus Plc 4+6
01540 61xxxx Inclarity plc 4+6 F-Digit '2'
01540 62xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01540 63xxxx Edge Telecom Ltd 4+6
01540 64xxxx Net Solutions Europe Limited 4+6 F-Digit '4'
01540 65xxxx BT 4+6
01540 65xxxx NSKCG BT, Kincraig (Highland) 4+6
01540 66xxxx BT 4+6
01540 66xxxx NSKGS BT, Kingussie (Highland) 4+6
01540 67xxxx BT 4+6
01540 67xxxx NSNMR BT, Newtonmore (Highland) 4+6
01540 68xxxx Orange Home UK Plc 4+6 F-Digit '0'
01540 69xxxx Magrathea Telecommunications Limited 4+6