United Kingdom

Number Code Allocated To Number Length Notes
01428 20xxxx Orange Home UK Plc 4+6 F-Digit '0'
01428 21xxxx TelNG Limited 4+6 F-Digit '2'
01428 22xxxx Localphone Limited 4+6 F-Digit '0'
01428 23xxxx Skycom Ltd 4+6 F-Digit '2'
01428 24xxxx InTechnology Plc 4+6 F-Digit '2'
01428 25xxxx Teledesign plc 4+6 F-Digit '2'
01428 26xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01428 27xxxx Starcomm Ltd 4+6 F-Digit '0'
01428 28xxxx Opal Telecom Limited 4+6 F-Digit '8'
01428 29xxxx Resilient Networks Plc 4+6 F-Digit '9'
01428 30xxxx Coralbridge Ltd 4+6 F-Digit '0'
01428 31xxxx VoIP-Un Limited 4+6 F-Digit '0'
01428 32xxxx Timico Limited 4+6 F-Digit '8'
01428 33xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01428 34xxxx Voxbone SA 4+6 F-Digit '8'
01428 35xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01428 36xxxx Telecom2 Ltd 4+6 F-Digit '6'
01428 37xxxx Telswitch Limited 4+6 F-Digit '0'
01428 38xxxx Tiscali UK Limited 4+6 F-Digit '0'
01428 39xxxx 3C Limited 4+6 F-Digit '2'
01428 40xxxx Dark Group Limited 4+6 F-Digit '4'
01428 41xxxx Solutios Limited 4+6 F-Digit '2'
01428 42xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01428 43xxxx Mars Communications Limited 4+6 F-Digit '0'
01428 44xxxx Net-Work Internet Ltd 4+6 F-Digit '4'
01428 45xxxx IPV6 Limited 4+6 F-Digit '0'
01428 46xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01428 47xxxx Telecoms World Plc 4+6 F-Digit '0'
01428 48xxxx Easynet Group Ltd 4+6 F-Digit '0'
01428 49xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01428 50xxxx FleXtel Limited 4+6
01428 51xxxx Virgin Media Limited 4+6
01428 52xxxx Citrus Telecommunications Ltd 4+6 F-Digit '2'
01428 53xxxx Danemere Street Creative 4+6
01428 54xxxx Net Solutions Europe Limited 4+6 F-Digit '4'
01428 55xxxx Freshtel UK Limited 4+6 F-Digit '0'
01428 56xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01428 57xxxx Syntec UK Ltd 4+6
01428 58xxxx C3 Europe Limited 4+6
01428 59xxxx Known Future Limited 4+6 F-Digit '9'
01428 60xxxx BT 4+6
01428 60xxxx THHH BT, Hindhead (Surrey) 4+6
01428 61xxxx Inclarity plc 4+6
01428 62xxxx Telephony Services Limited 4+6
01428 63xxxx Danemere Street Creative 4+6
01428 64xxxx BT 4+6
01428 64xxxx THHM BT, Haslemere (Sussex - West) 4+6
01428 65xxxx BT 4+6
01428 65xxxx THHM BT, Haslemere (Sussex - West) 4+6
01428 66xxxx BT 4+6
01428 66xxxx THHM BT, Haslemere (Sussex - West) 4+6
01428 6725xx THHM BT, Haslemere (Sussex - West) 4+6
01428 6726xx THLP BT, Liphook (Hampshire) 4+6
01428 6736xx THHM BT, Haslemere (Sussex - West) 4+6
01428 6739xx THLP BT, Liphook (Hampshire) 4+6
01428 67xxxx BT 4+6
01428 68xxxx BT 4+6
01428 68xxxx THWY BT, Wormley (Surrey) 4+6
01428 69xxxx Edge Telecom Ltd 4+6
01428 70xxxx BT 4+6
01428 70xxxx THNL BT, Northchapel (West Sussex) 4+6
01428 71xxxx BT 4+6
01428 71xxxx THHN BT, Headley Down (Hampshire) 4+6
01428 72xxxx BT 4+6
01428 72xxxx THLP BT, Liphook (Hampshire) 4+6
01428 73xxxx LogicStar Limited 4+6
01428 741xxx THMD BT, Milland (West Sussex) 4+6
01428 742xxx THMD BT, Milland (West Sussex) 4+6
01428 744xxx THHM BT, Haslemere (Sussex - West) 4+6
01428 74xxxx BT 4+6
01428 75xxxx BT 4+6
01428 75xxxx THPS BT, Passfield (Hampshire) 4+6
01428 76xxxx Cable & Wireless UK 4+6
01428 77xxxx Gamma Telecom Holdings Ltd 4+6
01428 78xxxx Magrathea Telecommunications Limited 4+6
01428 79xxxx TELSTRA EUROPE LIMITED 4+6
01428 80xxxx Switch Services Ltd 4+6 F-Digit '0'
01428 81xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01428 82xxxx Known Communications Limited 4+6 F-Digit '0'
01428 83xxxx CFL Communications Limited 4+6 F-Digit '0'
01428 84xxxx Wight Cable 2005 Ltd 4+6 F-Digit '4'
01428 87xxxx INET Telecoms Ltd (Voipfone) 4+6 F-Digit '7'