United Kingdom

Number Code Allocated To Number Length Notes
01631 20xxxx Cable and Wireless (Energis) 4+6
01631 21xxxx Syntec UK Ltd 4+6
01631 22xxxx TG Support Limited 4+6
01631 23xxxx Net Solutions Europe Limited 4+6 F-Digit '3'
01631 24xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01631 25xxxx C3 Europe Limited 4+6 F-Digit '5'
01631 26xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01631 27xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01631 28xxxx TelNG Limited 4+6 F-Digit '2'
01631 29xxxx Freshtel UK Limited 4+6
01631 30xxxx Orange Home UK Plc 4+6 F-Digit '0'
01631 31xxxx Localphone Limited 4+6 F-Digit '0'
01631 32xxxx Coralbridge Ltd 4+6 F-Digit '0'
01631 33xxxx Skycom Ltd 4+6 F-Digit '2'
01631 34xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01631 35xxxx Opal Telecom Limited 4+6 F-Digit '8'
01631 36xxxx Teledesign plc 4+6 F-Digit '2'
01631 37xxxx InTechnology Plc 4+6 F-Digit '2'
01631 38xxxx VoIP-Un Limited 4+6 F-Digit '0'
01631 39xxxx Resilient Networks Plc 4+6 F-Digit '9'
01631 40xxxx Telephony Services Limited 4+6 F-Digit '2'
01631 41xxxx Telecom2 Ltd 4+6 F-Digit '6'
01631 42xxxx Timico Limited 4+6 F-Digit '8'
01631 43xxxx Telswitch Limited 4+6 F-Digit '0'
01631 44xxxx Net-Work Internet Ltd 4+6 F-Digit '4'
01631 45xxxx Starcomm Ltd 4+6 F-Digit '0'
01631 46xxxx Voxbone SA 4+6 F-Digit '8'
01631 47xxxx 3C Limited 4+6 F-Digit '2'
01631 48xxxx Known Future Limited 4+6 F-Digit '7'
01631 49xxxx Solutios Limited 4+6 F-Digit '2'
01631 50xxxx Colloquium Ltd 4+6
01631 51xxxx BT 4+6
01631 51xxxx WSOBA BT, Oban (Strathclyde) 4+6
01631 52xxxx Magrathea Telecommunications Limited 4+6
01631 53xxxx Edge Telecom Ltd 4+6
01631 54xxxx FleXtel Limited 4+6
01631 55xxxx Thus Plc 4+6
01631 56xxxx BT 4+6
01631 56xxxx WSOBA BT, Oban (Strathclyde) 4+6
01631 57xxxx BT 4+6
01631 57xxxx WSOBA BT, Oban (Strathclyde) 4+6
01631 58xxxx LogicStar Limited 4+6
01631 59xxxx Inclarity plc 4+6 F-Digit '2'
01631 60xxxx IPV6 Limited 4+6 F-Digit '0'
01631 61xxxx Mars Communications Limited 4+6 F-Digit '0'
01631 62xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01631 63xxxx Telecoms World Direct Ltd 4+6 F-Digit '0'
01631 64xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01631 65xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01631 66xxxx CFL Communications Limited 4+6 F-Digit '0'
01631 67xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01631 68xxxx Danemere Street Creative 4+6 F-Digit '2'
01631 70xxxx Gamma Telecom Holdings Ltd 4+6
01631 71xxxx BT 4+6
01631 71xxxx WSCOE BT, Connel (Strathclyde) 4+6
01631 72xxxx BT 4+6
01631 72xxxx WSLED BT, Ledaig (Strathclyde) 4+6
01631 73xxxx BT 4+6
01631 73xxxx WSAPP BT, Appin (Strathclyde) 4+6
01631 74xxxx BT 4+6
01631 74xxxx WSDUO BT, Duror (Highland) 4+6
01631 75xxxx BT 4+6
01631 75xxxx WSBON BT, Bonawe (Argyll & Bute) 4+6
01631 76xxxx BT 4+6
01631 76xxxx WSLIS BT, Lismore (Argyll & Bute) 4+6
01631 77xxxx BT 4+6
01631 77xxxx WSKLM BT, Kilmore (Argyll & Bute) 4+6
01631 78xxxx Cable & Wireless UK 4+6
01631 79xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'