United Kingdom

Number Code Allocated To Number Length Notes
01899 20xxxx Freshtel UK Limited 4+6 F-Digit '7'
01899 21xxxx Net Solutions Europe Limited 4+6 F-Digit '1'
01899 22xxxx BT 4+6
01899 22xxxx WSBIG BT, Biggar (Borders) 4+6
01899 23xxxx Inclarity plc 4+6 F-Digit '2'
01899 24xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01899 25xxxx FleXtel Limited 4+6
01899 26xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01899 27xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01899 28xxxx Orange Home UK Plc 4+6 F-Digit '0'
01899 29xxxx Syntec UK Ltd 4+6
01899 30xxxx BT 4+6
01899 30xxxx WSTIN BT, Tinto (Strathclyde) 4+6
01899 31xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01899 32xxxx InTechnology Plc 4+6 F-Digit '2'
01899 33xxxx Net-Work Internet Ltd 4+6 F-Digit '3'
01899 34xxxx Telecom2 Ltd 4+6 F-Digit '6'
01899 35xxxx Timico Limited 4+6
01899 36xxxx Telswitch Limited 4+6 F-Digit '0'
01899 37xxxx Voxbone SA 4+6 F-Digit '8'
01899 38xxxx Starcomm Ltd 4+6 F-Digit '0'
01899 39xxxx 3C Limited 4+6 F-Digit '2'
01899 40xxxx TelNG Limited 4+6 F-Digit '2'
01899 41xxxx Localphone Limited 4+6 F-Digit '0'
01899 42xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01899 43xxxx Opal Telecom Limited 4+6 F-Digit '8'
01899 44xxxx Skycom Ltd 4+6 F-Digit '2'
01899 45xxxx Entanet International Ltd 4+6 F-Digit '1'
01899 46xxxx Teledesign plc 4+6 F-Digit '2'
01899 47xxxx VoIP-Un Limited 4+6 F-Digit '0'
01899 48xxxx Telephony Services Limited 4+6 F-Digit '2'
01899 49xxxx Coralbridge Ltd 4+6 F-Digit '0'
01899 50xxxx Known Future Limited 4+6 F-Digit '8'
01899 51xxxx Solutios Limited 4+6 F-Digit '2'
01899 52xxxx Mars Communications Limited 4+6 F-Digit '0'
01899 53xxxx IPV6 Limited 4+6 F-Digit '0'
01899 54xxxx Telecoms World Plc 4+6 F-Digit '0'
01899 55xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01899 56xxxx Switch Services Ltd 4+6 F-Digit '0'
01899 57xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01899 58xxxx CFL Communications Limited 4+6 F-Digit '0'
01899 59xxxx Danemere Street Creative 4+6 F-Digit '2'
01899 60xxxx Known Communications Limited 4+6 F-Digit '0'
01899 61xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01899 80xxxx Gamma Telecom Holdings Ltd 4+6
01899 81xxxx BT 4+6
01899 81xxxx WSDUY BT, Dunsyre (South Lanarkshire) 4+6
01899 82xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01899 83xxxx BT 4+6
01899 83xxxx WSBRO BT, Broughton (Borders) 4+6
01899 84xxxx LogicStar Limited 4+6
01899 85xxxx BT 4+6
01899 85xxxx WSLAM BT, Lamington (South Lanarkshire) 4+6
01899 86xxxx BT 4+6
01899 86xxxx WSSKL BT, Skirling (Borders) 4+6
01899 87xxxx Magrathea Telecommunications Limited 4+6
01899 88xxxx BT 4+6
01899 88xxxx WSTWE BT, Tweedsmuir (Borders) 4+6
01899 89xxxx Edge Telecom Ltd 4+6