United Kingdom

Number Code Allocated To Number Length Notes
01557 20xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01557 21xxxx Orange Home UK Plc 4+6 F-Digit '0'
01557 22xxxx TelNG Limited 4+6 F-Digit '2'
01557 23xxxx Localphone Limited 4+6 F-Digit '0'
01557 24xxxx InTechnology Plc 4+6 F-Digit '2'
01557 25xxxx Teledesign plc 4+6 F-Digit '2'
01557 26xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01557 27xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01557 28xxxx Coralbridge Ltd 4+6 F-Digit '0'
01557 29xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01557 30xxxx Telephony Services Limited 4+6 F-Digit '2'
01557 31xxxx Telecom2 Ltd 4+6 F-Digit '6'
01557 32xxxx Timico Limited 4+6 F-Digit '8'
01557 33xxxx BT 4+6
01557 34xxxx Telswitch Limited 4+6 F-Digit '0'
01557 35xxxx Starcomm Ltd 4+6 F-Digit '0'
01557 36xxxx Voxbone SA 4+6 F-Digit '8'
01557 37xxxx 3C Limited 4+6 F-Digit '2'
01557 38xxxx Solutios Limited 4+6 F-Digit '2'
01557 39xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01557 40xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01557 41xxxx VoIP-Un Limited 4+6 F-Digit '0'
01557 42xxxx Opal Telecom Limited 4+6 F-Digit '8'
01557 43xxxx IPV6 Limited 4+6 F-Digit '0'
01557 44xxxx Mars Communications Limited 4+6 F-Digit '0'
01557 45xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01557 46xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01557 47xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01557 48xxxx CFL Communications Limited 4+6 F-Digit '0'
01557 49xxxx Danemere Street Creative 4+6 F-Digit '2'
01557 50xxxx BT 4+6
01557 51xxxx LogicStar Limited 4+6
01557 52xxxx Gamma Telecom Holdings Ltd 4+6
01557 53xxxx FleXtel Limited 4+6
01557 54xxxx Inclarity plc 4+6 F-Digit '2'
01557 55xxxx C3 Europe Limited 4+6 F-Digit '7'
01557 56xxxx Edge Telecom Ltd 4+6
01557 57xxxx Magrathea Telecommunications Limited 4+6
01557 58xxxx Known Future Limited 4+6 F-Digit '8'
01557 59xxxx Virgin Media Limited 4+6
01557 80xxxx Skycom Ltd 4+6 F-Digit '2'
01557 81xxxx BT 4+6
01557 82xxxx BT 4+6
01557 83xxxx BT 4+6
01557 84xxxx BT 4+6
01557 85xxxx Syntec UK Ltd 4+6
01557 86xxxx BT 4+6
01557 87xxxx BT 4+6
01557 88xxxx Net Solutions Europe Limited 4+6 F-Digit '8'
01557 89xxxx Colloquium Ltd 4+6 F-Digit '2'
01557 95xxxx 4+6