United Kingdom

Number Code Allocated To Number Length Notes
01337 20xxxx Orange Home UK Plc 4+6 F-Digit '0'
01337 21xxxx TelNG Limited 4+6 F-Digit '2'
01337 22xxxx InTechnology Plc 4+6 F-Digit '2'
01337 23xxxx Localphone Limited 4+6
01337 24xxxx Teledesign plc 4+6 F-Digit '2'
01337 25xxxx Opal Telecom Limited 4+6 F-Digit '8'
01337 26xxxx VoIP-Un Limited 4+6 F-Digit '0'
01337 27xxxx Starcomm Ltd 4+6 F-Digit '0'
01337 28xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01337 29xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01337 30xxxx LogicStar Limited 4+6
01337 31xxxx Known Future Limited 4+6
01337 32xxxx Gamma Telecom Holdings Ltd 4+6
01337 33xxxx Thus Plc 4+6
01337 34xxxx Net Solutions Europe Limited 4+6 F-Digit '4'
01337 35xxxx Edge Telecom Ltd 4+6
01337 36xxxx Affiniti Integrated Solutions Ltd 4+6
01337 37xxxx Cable and Wireless (Energis) 4+6
01337 38xxxx Cable & Wireless UK 4+6
01337 39xxxx FleXtel Limited 4+6
01337 40xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01337 41xxxx Voxbone SA 4+6 F-Digit '8'
01337 42xxxx Timico Limited 4+6 F-Digit '8'
01337 43xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01337 44xxxx Telswitch Limited 4+6 F-Digit '0'
01337 45xxxx Telecom2 Ltd 4+6 F-Digit '6'
01337 46xxxx 3C Limited 4+6 F-Digit '2'
01337 47xxxx Solutios Limited 4+6 F-Digit '2'
01337 48xxxx Switch Services Ltd 4+6 F-Digit '0'
01337 49xxxx IPV6 Limited 4+6 F-Digit '0'
01337 50xxxx Mars Communications Limited 4+6 F-Digit '0'
01337 51xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01337 52xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01337 53xxxx CFL Communications Limited 4+6 F-Digit '0'
01337 54xxxx Known Communications Limited 4+6 F-Digit '0'
01337 55xxxx INET Telecoms Ltd (Voipfone) 4+6 F-Digit '0'
01337 56xxxx TeleWare PLC 4+6 F-Digit '4'
01337 57xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01337 80xxxx Syntec UK Ltd 4+6
01337 81xxxx BT 4+6
01337 81xxxx ESLTF BT, Letham (fife) (Fife) 4+6
01337 82xxxx BT 4+6
01337 82xxxx ESARY BT, Auchtermuchty (Fife) 4+6
01337 83xxxx BT 4+6
01337 83xxxx ESLAD BT, Ladybank (Fife) 4+6
01337 84xxxx BT 4+6
01337 84xxxx ESNBF BT, Newburgh (fife) (Fife) 4+6
01337 85xxxx BT 4+6
01337 85xxxx ESFLK BT, Falkland (Fife) 4+6
01337 86xxxx BT 4+6
01337 86xxxx ESSRM BT, Strathmiglo (Fife) 4+6
01337 87xxxx BT 4+6
01337 87xxxx ESLUT BT, Luthrie (Fife) 4+6
01337 88xxxx BT 4+6
01337 88xxxx ESNBF BT, Newburgh (fife) (Fife) 4+6
01337 89xxxx Magrathea Telecommunications Limited 4+6
01337 90xxxx Virgin Media Limited 4+6
01337 91xxxx C3 Europe Limited 4+6
01337 92xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,9'
01337 93xxxx Freshtel UK Limited 4+6 F-Digit '0'
01337 94xxxx Telephony Services Limited 4+6 F-Digit '4'
01337 95xxxx Inclarity plc 4+6 F-Digit '2'
01337 96xxxx Skycom Ltd 4+6 F-Digit '2'
01337 97xxxx Danemere Street Creative 4+6 F-Digit '2'
01337 98xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'