United Kingdom

Number Code Allocated To Number Length Notes
01439 20xxxx Known Future Limited 4+6 F-Digit '0'
01439 21xxxx Orange Home UK Plc 4+6 F-Digit '0'
01439 22xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01439 23xxxx TelNG Limited 4+6 F-Digit '2'
01439 24xxxx Localphone Limited 4+6 F-Digit '0'
01439 25xxxx Skycom Ltd 4+6 F-Digit '2'
01439 26xxxx Starcomm Ltd 4+6 F-Digit '0'
01439 27xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01439 28xxxx InTechnology Plc 4+6 F-Digit '2'
01439 29xxxx Danemere Street Creative 4+6
01439 30xxxx Virgin Media Limited 4+6
01439 31xxxx C3 Europe Limited 4+6 F-Digit '9'
01439 32xxxx Freshtel UK Limited 4+6 F-Digit '0'
01439 33xxxx Gamma Telecom Holdings Ltd 4+6 F-Digit '0'
01439 34xxxx FleXtel Limited 4+6
01439 35xxxx Net Solutions Europe Limited 4+6 F-Digit '5'
01439 36xxxx Inclarity plc 4+6 F-Digit '2'
01439 37xxxx Telephony Services Limited 4+6 F-Digit '7'
01439 38xxxx Syntec UK Ltd 4+6
01439 39xxxx TELSTRA EUROPE LIMITED 4+6
01439 40xxxx Opal Telecom Limited 4+6 F-Digit '8'
01439 41xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01439 42xxxx Teledesign plc 4+6 F-Digit '2'
01439 43xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01439 44xxxx Coralbridge Ltd 4+6
01439 45xxxx VoIP-Un Limited 4+6 F-Digit '0'
01439 46xxxx Timico Limited 4+6 F-Digit '8'
01439 47xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01439 48xxxx Telswitch Limited 4+6 F-Digit '0'
01439 49xxxx Telecom2 Ltd 4+6 F-Digit '6'
01439 50xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01439 51xxxx 3C Limited 4+6 F-Digit '2'
01439 52xxxx Voxbone SA 4+6 F-Digit '8'
01439 53xxxx Solutios Limited 4+6 F-Digit '2'
01439 54xxxx IPV6 Limited 4+6 F-Digit '0'
01439 55xxxx Mars Communications Limited 4+6 F-Digit '0'
01439 56xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01439 57xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01439 58xxxx CFL Communications Limited 4+6 F-Digit '0'
01439 59xxxx Known Communications Limited 4+6 F-Digit '0'
01439 60xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01439 61xxxx INET Telecoms Ltd (Voipfone) 4+6 F-Digit '7'
01439 70xxxx LogicStar Limited 4+6 F-Digit '0'
01439 71xxxx Edge Telecom Ltd 4+6 F-Digit '0'
01439 72xxxx Danemere Street Creative 4+6
01439 73xxxx BT 4+6
01439 73xxxx MYHLM BT, Helmsley (North Yorkshire) 4+6
01439 74xxxx BT 4+6
01439 74xxxx MYNUN BT, Nunnington (North Yorkshire) 4+6
01439 75xxxx Magrathea Telecommunications Limited 4+6
01439 76xxxx Cable & Wireless UK 4+6
01439 77xxxx BT 4+6
01439 77xxxx MYHLM BT, Helmsley (North Yorkshire) 4+6
01439 78xxxx BT 4+6
01439 78xxxx MYAMP BT, Ampleforth (North Yorkshire) 4+6
01439 79xxxx BT 4+6
01439 79xxxx MYBIL BT, Bilsdale (North Yorkshire) 4+6