United Kingdom

Number Code Allocated To Number Length Notes
01520 20xxxx Known Future Limited 4+6 F-Digit '0'
01520 21xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01520 22xxxx Net Solutions Europe Limited 4+6 F-Digit '2'
01520 23xxxx Inclarity plc 4+6 F-Digit '2'
01520 24xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01520 25xxxx TelNG Limited 4+6 F-Digit '2'
01520 26xxxx TelNG Limited 4+6 F-Digit '2'
01520 27xxxx InTechnology Plc 4+6 F-Digit '2'
01520 28xxxx Localphone Limited 4+6 F-Digit '0'
01520 29xxxx Opal Telecom Limited 4+6 F-Digit '8'
01520 30xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01520 31xxxx Telswitch Limited 4+6 F-Digit '0'
01520 32xxxx Starcomm Ltd 4+6 F-Digit '0'
01520 33xxxx Voxbone SA 4+6 F-Digit '8'
01520 34xxxx 3C Limited 4+6 F-Digit '2'
01520 35xxxx Solutios Limited 4+6 F-Digit '2'
01520 36xxxx Mars Communications Limited 4+6 F-Digit '0'
01520 37xxxx IPV6 Limited 4+6 F-Digit '0'
01520 38xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01520 39xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01520 40xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01520 41xxxx CFL Communications Limited 4+6 F-Digit '0'
01520 44xxxx Danemere Street Creative 4+6 F-Digit '2'
01520 45xxxx Known Communications Limited 4+6 F-Digit '0'
01520 60xxxx VoIP-Un Limited 4+6 F-Digit '0'
01520 61xxxx Telephony Services Limited 4+6 F-Digit '2'
01520 62xxxx C3 Europe Limited 4+6 F-Digit '0'
01520 63xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01520 64xxxx Edge Telecom Ltd 4+6
01520 70xxxx FleXtel Limited 4+6
01520 71xxxx Coralbridge Ltd 4+6 F-Digit '0'
01520 72xxxx BT 4+6
01520 72xxxx NSLCN BT, Lochcarron (Highland) 4+6
01520 73xxxx BT 4+6
01520 73xxxx NSKIS BT, Kishorn (Highland) 4+6
01520 74xxxx BT 4+6
01520 74xxxx NSAPP BT, Applecross (Highland) 4+6
01520 75xxxx BT 4+6
01520 75xxxx NSSHI BT, Shieldaig (Highland) 4+6
01520 76xxxx BT 4+6
01520 76xxxx NSASC BT, Achnashellach (Highland) 4+6
01520 77xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01520 78xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01520 79xxxx Magrathea Telecommunications Limited 4+6
01520 90xxxx Orange Home UK Plc 4+6 F-Digit '0'
01520 91xxxx LogicStar Limited 4+6
01520 92xxxx Freshtel UK Limited 4+6 F-Digit '0'
01520 93xxxx Gamma Telecom Holdings Ltd 4+6
01520 94xxxx Teledesign plc 4+6 F-Digit '2'
01520 95xxxx Telecom2 Ltd 4+6 F-Digit '6'
01520 96xxxx Timico Limited 4+6
01520 97xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01520 98xxxx Skycom Ltd 4+6 F-Digit '2'