United Kingdom

Number Code Allocated To Number Length Notes
01681 20xxxx Orange Home UK Plc 4+6 F-Digit '0'
01681 21xxxx TelNG Limited 4+6 F-Digit '2'
01681 22xxxx Inclarity plc 4+6 F-Digit '2'
01681 23xxxx Opal Telecom Limited 4+6 F-Digit '8'
01681 24xxxx Skycom Ltd 4+6 F-Digit '2'
01681 25xxxx VoIP-Un Limited 4+6 F-Digit '0'
01681 26xxxx Localphone Limited 4+6 F-Digit '0'
01681 27xxxx InTechnology Plc 4+6 F-Digit '2'
01681 28xxxx Teledesign plc 4+6 F-Digit '2'
01681 29xxxx Telephony Services Limited 4+6 F-Digit '2'
01681 30xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01681 31xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01681 32xxxx Telecom2 Ltd 4+6 F-Digit '6'
01681 33xxxx Timico Limited 4+6 F-Digit '8'
01681 34xxxx Telswitch Limited 4+6 F-Digit '0'
01681 35xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01681 36xxxx Solutios Limited 4+6 F-Digit '2'
01681 37xxxx Mars Communications Limited 4+6 F-Digit '0'
01681 38xxxx Voxbone SA 4+6 F-Digit '8'
01681 39xxxx Known Future Limited 4+6 F-Digit '8'
01681 40xxxx IPV6 Limited 4+6 F-Digit '0'
01681 41xxxx Telecoms World Plc 4+6 F-Digit '0'
01681 42xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01681 43xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01681 44xxxx CFL Communications Limited 4+6 F-Digit '0'
01681 45xxxx Danemere Street Creative 4+6 F-Digit '2'
01681 46xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01681 700xxx WSFIO BT, Fionnphort (Strathclyde) 4+6
01681 704xxx WSPEN BT, Pennyghael (Argyll & Bute) 4+6
01681 705xxx WSTIR BT, Tiroran (Argyll & Bute) 4+6
01681 70xxxx BT 4+6
01681 71xxxx LogicStar Limited 4+6
01681 72xxxx C3 Europe Limited 4+6 F-Digit '1'
01681 73xxxx Gamma Telecom Holdings Ltd 4+6
01681 74xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01681 75xxxx Net Solutions Europe Limited 4+6 F-Digit '5'
01681 76xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01681 77xxxx Magrathea Telecommunications Limited 4+6
01681 78xxxx Edge Telecom Ltd 4+6
01681 79xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'