United Kingdom

Number Code Allocated To Number Length Notes
01400 20xxxx Citrus Telecommunications Ltd 4+6 F-Digit '2'
01400 21xxxx LogicStar Limited 4+6 F-Digit '0'
01400 22xxxx Gamma Telecom Holdings Ltd 4+6
01400 23xxxx BT 4+6
01400 23xxxx EMANCAS BT, Ancaster (Lincolnshire) 4+6
01400 24xxxx BT 4+6
01400 24xxxx EMHNGTN BT, Honington (Lincolnshire) 4+6
01400 25xxxx BT 4+6
01400 25xxxx EMHNGTN BT, Honington (Lincolnshire) 4+6
01400 26xxxx BT 4+6
01400 26xxxx EMCRWLL BT, Cranwell (Lincolnshire) 4+6
01400 27xxxx BT 4+6
01400 27xxxx EMFULBE BT, Fulbeck (Lincolnshire) 4+6
01400 280xxx EMFULBE BT, Fulbeck (Lincolnshire) 4+6
01400 281xxx EMLBENN BT, Long Bennington (Lincolnshire) 4+6
01400 283xxx EMLBENN BT, Long Bennington (Lincolnshire) 4+6
01400 28xxxx BT 4+6
01400 29xxxx Net Solutions Europe Limited 4+6 F-Digit '9'
01400 30xxxx Localphone Limited 4+6 F-Digit '0'
01400 31xxxx Opal Telecom Limited 4+6 F-Digit '8'
01400 32xxxx InTechnology Plc 4+6 F-Digit '2'
01400 33xxxx Starcomm Ltd 4+6 F-Digit '0'
01400 34xxxx Teledesign plc 4+6 F-Digit '2'
01400 35xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01400 36xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01400 37xxxx Coralbridge Ltd 4+6 F-Digit '0'
01400 38xxxx VoIP-Un Limited 4+6 F-Digit '0'
01400 39xxxx Timico Limited 4+6 F-Digit '8'
01400 40xxxx TELSTRA EUROPE LIMITED 4+6 F-Digit '4'
01400 41xxxx Telephony Services Limited 4+6 F-Digit '4'
01400 42xxxx Danemere Street Creative 4+6 F-Digit '2'
01400 43xxxx Danemere Street Creative 4+6
01400 44xxxx Magrathea Telecommunications Limited 4+6
01400 45xxxx Edge Telecom Ltd 4+6
01400 46xxxx Syntec UK Ltd 4+6
01400 47xxxx FleXtel Limited 4+6
01400 48xxxx Inclarity plc 4+6
01400 49xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01400 50xxxx Telecom2 Ltd 4+6
01400 51xxxx Telswitch Limited 4+6 F-Digit '0'
01400 52xxxx 3C Limited 4+6 F-Digit '2'
01400 53xxxx Voxbone SA 4+6 F-Digit '8'
01400 54xxxx Solutios Limited 4+6 F-Digit '2'
01400 55xxxx Known Future Limited 4+6 F-Digit '5'
01400 56xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01400 57xxxx IPV6 Limited 4+6 F-Digit '0'
01400 58xxxx Mars Communications Limited 4+6 F-Digit '0'
01400 59xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01400 60xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01400 61xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01400 62xxxx CFL Communications Limited 4+6 F-Digit '0'
01400 63xxxx INET Telecoms Ltd (Voipfone) 4+6 F-Digit '7'
01400 64xxxx Known Communications Limited 4+6 F-Digit '0'
01400 90xxxx IV Response Limited 4+6
01400 91xxxx T.T.N.C. Limited 4+6 F-Digit '1,2,3'
01400 92xxxx C3 Europe Limited 4+6 F-Digit '0'
01400 93xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01400 94xxxx Freshtel UK Limited 4+6 F-Digit '0'
01400 95xxxx Orange Home UK Plc 4+6 F-Digit '0'
01400 96xxxx Skycom Ltd 4+6
01400 97xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01400 98xxxx TelNG Limited 4+6 F-Digit '2'