United Kingdom

Number Code Allocated To Number Length Notes
01748 20xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01748 21xxxx Telswitch Limited 4+6 F-Digit '0'
01748 22xxxx Voxbone SA 4+6 F-Digit '8'
01748 23xxxx Known Future Limited 4+6 F-Digit '8'
01748 24xxxx Solutios Limited 4+6 F-Digit '2'
01748 25xxxx Mars Communications Limited 4+6 F-Digit '0'
01748 26xxxx IPV6 Limited 4+6 F-Digit '0'
01748 27xxxx Keycom plc 4+6 F-Digit '0'
01748 28xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01748 29xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01748 30xxxx Orange Home UK Plc 4+6 F-Digit '0'
01748 31xxxx Virgin Media Limited 4+6
01748 32xxxx Freshtel UK Limited 4+6
01748 33xxxx Skycom Ltd 4+6 F-Digit '2'
01748 34xxxx C3 Europe Limited 4+6 F-Digit '6'
01748 35xxxx Telephony Services Limited 4+6 F-Digit '2'
01748 36xxxx TelNG Limited 4+6 F-Digit '2'
01748 37xxxx Localphone Limited 4+6 F-Digit '0'
01748 38xxxx Syntec UK Ltd 4+6
01748 39xxxx Net Solutions Europe Limited 4+6 F-Digit '9'
01748 40xxxx Switch Services Ltd 4+6 F-Digit '0'
01748 41xxxx Telecoms World Plc 4+6 F-Digit '0'
01748 42xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01748 43xxxx CFL Communications Limited 4+6 F-Digit '0'
01748 50xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01748 51xxxx Opal Telecom Limited 4+6 F-Digit '8'
01748 52xxxx Cable & Wireless UK 4+6
01748 53xxxx Coralbridge Ltd 4+6 F-Digit '0'
01748 5422xx NERN BT, Richmond (North Yorkshire) 4+6
01748 5424xx NECC BT, Catterick Camp (North Yorkshire) 4+6
01748 5426xx NERN BT, Richmond (North Yorkshire) 4+6
01748 5446xx NERN BT, Richmond (North Yorkshire) 4+6
01748 5447xx NECC BT, Catterick Camp (North Yorkshire) 4+6
01748 54xxxx BT 4+6
01748 55xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01748 56xxxx VoIP-Un Limited 4+6 F-Digit '0'
01748 57xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01748 58xxxx Edge Telecom Ltd 4+6
01748 59xxxx InTechnology Plc 4+6 F-Digit '2'
01748 66xxxx Starcomm Ltd 4+6
01748 80xxxx Inclarity plc 4+6
01748 81xxxx BT 4+6
01748 81xxxx NEOC BT, Old Catterick (North Yorkshire) 4+6
01748 82xxxx BT 4+6
01748 82xxxx NERN BT, Richmond (North Yorkshire) 4+6
01748 83xxxx BT 4+6
01748 83xxxx NECC BT, Catterick Camp (North Yorkshire) 4+6
01748 84xxxx Affiniti Integrated Solutions Ltd 4+6
01748 85xxxx BT 4+6
01748 85xxxx NERN BT, Richmond (North Yorkshire) 4+6
01748 86xxxx Teledesign plc 4+6 F-Digit '2'
01748 87xxxx BT 4+6
01748 87xxxx NECC BT, Catterick Camp (North Yorkshire) 4+6
01748 880xxx NEREH BT, Reeth (North Yorkshire) 4+6
01748 884xxx NEREH BT, Reeth (North Yorkshire) 4+6
01748 886xxx NEGND BT, Gunnerside (North Yorkshire) 4+6
01748 88xxxx BT 4+6
01748 89xxxx Magrathea Telecommunications Limited 4+6
01748 90xxxx Gamma Telecom Holdings Ltd 4+6
01748 91xxxx LogicStar Limited 4+6
01748 92xxxx Telecom2 Ltd 4+6 F-Digit '6'
01748 93xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01748 94xxxx Danemere Street Creative 4+6
01748 95xxxx Timico Limited 4+6 F-Digit '8'
01748 96xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01748 97xxxx FleXtel Limited 4+6
01748 98xxxx TELSTRA EUROPE LIMITED 4+6