United Kingdom

Number Code Allocated To Number Length Notes
01200 20xxxx Known Future Limited 4+6 F-Digit '0'
01200 21xxxx TG Support Limited 4+6
01200 22xxxx Inclarity plc 4+6 F-Digit '2'
01200 23xxxx T.T.N.C. Limited 4+6 F-Digit '1,2,3'
01200 24xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01200 25xxxx Skycom Ltd 4+6 F-Digit '2'
01200 26xxxx Coms.Com Ltd 4+6 F-Digit '3'
01200 27xxxx Danemere Street Creative 4+6 F-Digit '2'
01200 28xxxx Orange Home UK Plc 4+6 F-Digit '0'
01200 29xxxx Net Solutions Europe Limited 4+6
01200 30xxxx Cable and Wireless (Energis) 4+6
01200 31xxxx LogicStar Limited 4+6
01200 32xxxx Inclarity plc 4+6
01200 33xxxx BT 4+6
01200 33xxxx LCCLR BT, Clitheroe (Lancashire) 4+6
01200 34xxxx FleXtel Limited 4+6
01200 35xxxx Your Communications Ltd 4+6
01200 36xxxx Edge Telecom Ltd 4+6
01200 37xxxx Freshtel UK Limited 4+6 F-Digit '0'
01200 38xxxx Thus Plc 4+6
01200 39xxxx C3 Europe Limited 4+6
01200 40xxxx Gamma Telecom Holdings Ltd 4+6
01200 413xxx LCCLR BT, Clitheroe (Lancashire) 4+6
01200 414xxx LCCLR BT, Clitheroe (Lancashire) 4+6
01200 415xxx LCGIS BT, Gisburn (Lancashire) 4+6
01200 41xxxx BT 4+6
01200 42xxxx BT 4+6
01200 42xxxx LCCLR BT, Clitheroe (Lancashire) 4+6
01200 43xxxx Magrathea Telecommunications Limited 4+6
01200 440xxx LCCHA BT, Chatburn (Lancashire) 4+6
01200 442xxx LCCLR BT, Clitheroe (Lancashire) 4+6
01200 445xxx LCGIS BT, Gisburn (Lancashire) 4+6
01200 449xxx LCCHA BT, Chatburn (Lancashire) 4+6
01200 44xxxx BT 4+6
01200 45xxxx BT 4+6
01200 45xxxx LCCLR BT, Clitheroe (Lancashire) 4+6
01200 46xxxx Cable & Wireless UK 4+6
01200 47xxxx Syntec UK Ltd 4+6
01200 48xxxx Citrus Telecommunications Ltd 4+6
01200 49xxxx Localphone Limited 4+6 F-Digit '0'
01200 50xxxx TELSTRA EUROPE LIMITED 4+6 F-Digit '4'
01200 51xxxx TelNG Limited 4+6 F-Digit '2'
01200 52xxxx InTechnology Plc 4+6
01200 53xxxx Opal Telecom Limited 4+6 F-Digit '8'
01200 54xxxx Telephony Services Limited 4+6 F-Digit '5'
01200 55xxxx Teledesign plc 4+6 F-Digit '2'
01200 56xxxx Resilient Networks Plc 4+6 F-Digit '9'
01200 57xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01200 58xxxx Starcomm Ltd 4+6 F-Digit '0'
01200 59xxxx Coralbridge Ltd 4+6 F-Digit '1'
01200 60xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01200 61xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01200 62xxxx VoIP-Un Limited 4+6 F-Digit '0'
01200 63xxxx Timico Limited 4+6 F-Digit '8'
01200 64xxxx Voxbone SA 4+6 F-Digit '8'
01200 65xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01200 66xxxx Skymaker Limited 4+6 F-Digit '0'
01200 67xxxx Telecom2 Ltd 4+6 F-Digit '6'
01200 68xxxx Telswitch Limited 4+6 F-Digit '0'
01200 69xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01200 70xxxx Callagenix Ltd 4+6 F-Digit '0'
01200 71xxxx Tiscali UK Limited 4+6 F-Digit '0'
01200 72xxxx Solutios Limited 4+6 F-Digit '2'
01200 73xxxx 3C Limited 4+6 F-Digit '2'
01200 74xxxx IPV6 Limited 4+6 F-Digit '0'
01200 75xxxx Mars Communications Limited 4+6 F-Digit '0'
01200 76xxxx INET Telecoms Ltd (Voipfone) 4+6 F-Digit '0'
01200 77xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01200 78xxxx Telecoms World Plc 4+6 F-Digit '0'
01200 79xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01200 80xxxx Switch Services Ltd 4+6 F-Digit '0'
01200 81xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01200 82xxxx CFL Communications Limited 4+6 F-Digit '0'
01200 83xxxx TeleWare PLC 4+6 F-Digit '3'
01200 84xxxx Known Communications Limited 4+6 F-Digit '0'