United Kingdom

Number Code Allocated To Number Length Notes
01555 20xxxx Coralbridge Ltd 4+6 F-Digit '0'
01555 21xxxx VoIP-Un Limited 4+6 F-Digit '0'
01555 22xxxx Net-Work Internet Ltd 4+6 F-Digit '2'
01555 23xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01555 24xxxx Telephony Services Limited 4+6 F-Digit '2'
01555 25xxxx Telecom2 Ltd 4+6 F-Digit '6'
01555 26xxxx Timico Limited 4+6 F-Digit '8'
01555 27xxxx Telswitch Limited 4+6 F-Digit '0'
01555 28xxxx Switch Services Ltd 4+6 F-Digit '0'
01555 29xxxx Starcomm Ltd 4+6 F-Digit '0'
01555 30xxxx Voxbone SA 4+6 F-Digit '8'
01555 31xxxx 3C Limited 4+6 F-Digit '2'
01555 32xxxx Solutios Limited 4+6 F-Digit '2'
01555 33xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01555 34xxxx IPV6 Limited 4+6 F-Digit '0'
01555 35xxxx Mars Communications Limited 4+6 F-Digit '0'
01555 36xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01555 37xxxx Cable & Wireless UK 4+6 F-Digit '3'
01555 38xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01555 39xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01555 40xxxx CFL Communications Limited 4+6 F-Digit '0'
01555 41xxxx Known Communications Limited 4+6 F-Digit '0'
01555 42xxxx Danemere Street Creative 4+6 F-Digit '2'
01555 50xxxx Known Future Limited 4+6 F-Digit '0'
01555 51xxxx LogicStar Limited 4+6
01555 52xxxx FleXtel Limited 4+6
01555 53xxxx Pipemedia Ltd 4+6
01555 54xxxx Edge Telecom Ltd 4+6
01555 550xxx WSLAK BT, Lanark (Strathclyde) 4+6
01555 5520xx WSLAK BT, Lanark (Strathclyde) 4+6
01555 5524xx WSLAK BT, Lanark (Strathclyde) 4+6
01555 5529xx WSCAR BT, Carluke (Strathclyde) 4+6
01555 5546xx WSLAK BT, Lanark (Strathclyde) 4+6
01555 5549xx WSCAR BT, Carluke (Strathclyde) 4+6
01555 557xxx WSLAK BT, Lanark (Strathclyde) 4+6
01555 55xxxx BT 4+6
01555 56xxxx Cable and Wireless (Energis) 4+6
01555 57xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01555 58xxxx C3 Europe Limited 4+6 F-Digit '5'
01555 59xxxx Inclarity plc 4+6 F-Digit '2'
01555 60xxxx Orange Home UK Plc 4+6 F-Digit '0'
01555 61xxxx TelNG Limited 4+6 F-Digit '2'
01555 62xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01555 63xxxx Freshtel UK Limited 4+6 F-Digit '0'
01555 64xxxx Thus Plc 4+6
01555 65xxxx IV Response Limited 4+6
01555 66xxxx BT 4+6
01555 66xxxx WSLAK BT, Lanark (Strathclyde) 4+6
01555 67xxxx BT 4+6
01555 67xxxx WSLAK BT, Lanark (Strathclyde) 4+6
01555 68xxxx Syntec UK Ltd 4+6
01555 69xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01555 70xxxx Gamma Telecom Holdings Ltd 4+6
01555 71xxxx Localphone Limited 4+6 F-Digit '0'
01555 72xxxx Opal Telecom Limited 4+6 F-Digit '8'
01555 73xxxx Teledesign plc 4+6 F-Digit '2'
01555 74xxxx Net Solutions Europe Limited 4+6 F-Digit '4'
01555 75xxxx BT 4+6
01555 75xxxx WSCAR BT, Carluke (Strathclyde) 4+6
01555 76xxxx InTechnology Plc 4+6 F-Digit '2'
01555 77xxxx BT 4+6
01555 77xxxx WSCAR BT, Carluke (Strathclyde) 4+6
01555 78xxxx Skycom Ltd 4+6 F-Digit '2'
01555 79xxxx Resilient Networks Plc 4+6 F-Digit '9'
01555 80xxxx Magrathea Telecommunications Limited 4+6
01555 81xxxx BT 4+6
01555 81xxxx WSFOT BT, Forth (Strathclyde) 4+6
01555 82xxxx BT 4+6
01555 82xxxx WSCOB BT, Coalburn (Strathclyde) 4+6
01555 83xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01555 84xxxx BT 4+6
01555 84xxxx WSCAH BT, Carnwath (Strathclyde) 4+6
01555 85xxxx BT 4+6
01555 85xxxx WSDOL BT, Douglas (lanark) (Strathclyde) 4+6
01555 86xxxx BT 4+6
01555 86xxxx WSCRS BT, Crossford (Strathclyde) 4+6
01555 87xxxx BT 4+6
01555 87xxxx WSCAT BT, Carstairs (Strathclyde) 4+6
01555 88xxxx BT 4+6
01555 88xxxx WSDOW BT, Douglas Water (Strathclyde) 4+6
01555 89xxxx BT 4+6
01555 89xxxx WSLES BT, Lesmahagow (Strathclyde) 4+6