United Kingdom

Number Code Allocated To Number Length Notes
01740 20xxxx TelNG Limited 4+6 F-Digit '2'
01740 21xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01740 22xxxx Localphone Limited 4+6 F-Digit '0'
01740 23xxxx Opal Telecom Limited 4+6 F-Digit '8'
01740 24xxxx Teledesign plc 4+6 F-Digit '2'
01740 25xxxx Coralbridge Ltd 4+6 F-Digit '0'
01740 26xxxx VoIP-Un Limited 4+6 F-Digit '0'
01740 27xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01740 28xxxx InTechnology Plc 4+6 F-Digit '2'
01740 29xxxx Telecom2 Ltd 4+6 F-Digit '6'
01740 30xxxx Timico Limited 4+6 F-Digit '8'
01740 31xxxx Telswitch Limited 4+6 F-Digit '0'
01740 32xxxx Voxbone SA 4+6 F-Digit '8'
01740 33xxxx Net-Work Internet Ltd 4+6 F-Digit '3'
01740 34xxxx Starcomm Ltd 4+6 F-Digit '0'
01740 35xxxx 3C Limited 4+6 F-Digit '2'
01740 36xxxx Known Future Limited 4+6 F-Digit '2'
01740 37xxxx Solutios Limited 4+6 F-Digit '2'
01740 38xxxx IPV6 Limited 4+6 F-Digit '0'
01740 39xxxx Mars Communications Limited 4+6 F-Digit '0'
01740 40xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01740 41xxxx Telecoms World Plc 4+6 F-Digit '0'
01740 42xxxx Switch Services Ltd 4+6 F-Digit '0'
01740 43xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01740 44xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01740 45xxxx CFL Communications Limited 4+6 F-Digit '0'
01740 50xxxx TELSTRA EUROPE LIMITED 4+6
01740 51xxxx FleXtel Limited 4+6
01740 52xxxx Syntec UK Ltd 4+6
01740 53xxxx Virgin Media Limited 4+6 F-Digit '4, 5'
01740 54xxxx Net Solutions Europe Limited 4+6 F-Digit '4'
01740 55xxxx Freshtel UK Limited 4+6
01740 56xxxx Skycom Ltd 4+6 F-Digit '2'
01740 57xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01740 58xxxx Telephony Services Limited 4+6 F-Digit '2'
01740 59xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01740 60xxxx Virgin Media Limited 4+6
01740 61xxxx Gamma Telecom Holdings Ltd 4+6 F-Digit '6,7,8,9'
01740 620xxx NESFE BT, Sedgefield (Durham) 4+6
01740 625xxx NESFE BT, Sedgefield (Durham) 4+6
01740 626xxx NESFE BT, Sedgefield (Durham) 4+6
01740 627xxx NEWV BT, Wolviston (Cleveland) 4+6
01740 629xxx NESFE BT, Sedgefield (Durham) 4+6
01740 62xxxx BT 4+6
01740 63xxxx BT 4+6
01740 63xxxx NESLN BT, Stillington Durham (Cleveland) 4+6
01740 64xxxx BT 4+6
01740 64xxxx NEWV BT, Wolviston (Cleveland) 4+6
01740 65xxxx BT 4+6
01740 65xxxx NEFH BT, Ferryhill (Durham) 4+6
01740 660xxx NEWV BT, Wolviston (Cleveland) 4+6
01740 661xxx NEWV BT, Wolviston (Cleveland) 4+6
01740 664xxx NEFH BT, Ferryhill (Durham) 4+6
01740 665xxx NEWV BT, Wolviston (Cleveland) 4+6
01740 667xxx NEWV BT, Wolviston (Cleveland) 4+6
01740 66xxxx BT 4+6
01740 67xxxx Edge Telecom Ltd 4+6
01740 6846xx NEFH BT, Ferryhill (Durham) 4+6
01740 6847xx NESFE BT, Sedgefield (Durham) 4+6
01740 68xxxx BT 4+6
01740 69xxxx C3 Europe Limited 4+6 F-Digit '6'
01740 70xxxx Thus Plc 4+6
01740 71xxxx LogicStar Limited 4+6 F-Digit '0'
01740 72xxxx Orange Home UK Plc 4+6 F-Digit '0'
01740 73xxxx Inclarity plc 4+6
01740 74xxxx Virgin Media Limited 4+6
01740 75xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01740 76xxxx Magrathea Telecommunications Limited 4+6
01740 77xxxx Affiniti Integrated Solutions Ltd 4+6
01740 78xxxx Danemere Street Creative 4+6
01740 79xxxx Cable & Wireless UK 4+6