United Kingdom

Number Code Allocated To Number Length Notes
01805 20xxxx VoIP-Un Limited 4+6 F-Digit '0'
01805 21xxxx Telephony Services Limited 4+6 F-Digit '2'
01805 22xxxx Net-Work Internet Ltd 4+6 F-Digit '2'
01805 23xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01805 24xxxx InTechnology Plc 4+6 F-Digit '2'
01805 25xxxx Telecom2 Ltd 4+6 F-Digit '6'
01805 26xxxx Timico Limited 4+6 F-Digit '8'
01805 27xxxx Telswitch Limited 4+6 F-Digit '0'
01805 28xxxx Voxbone SA 4+6 F-Digit '8'
01805 29xxxx Starcomm Ltd 4+6 F-Digit '0'
01805 30xxxx Known Future Limited 4+6 F-Digit '8'
01805 31xxxx Solutios Limited 4+6 F-Digit '2'
01805 32xxxx 3C Limited 4+6 F-Digit '2'
01805 33xxxx Mars Communications Limited 4+6 F-Digit '0'
01805 34xxxx IPV6 Limited 4+6 F-Digit '0'
01805 35xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01805 36xxxx Switch Services Ltd 4+6 F-Digit '0'
01805 37xxxx Telecoms World Plc 4+6 F-Digit '0'
01805 38xxxx CFL Communications Limited 4+6 F-Digit '0'
01805 39xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01805 40xxxx Known Communications Limited 4+6 F-Digit '0'
01805 41xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01805 601xxx WWLTRE BT, Langtree (Devon) 4+6
01805 602xxx WWLTRE BT, Langtree (Devon) 4+6
01805 603xxx WWBEAF BT, Beaford (Devon) 4+6
01805 60xxxx BT 4+6
01805 61xxxx LogicStar Limited 4+6
01805 62xxxx BT 4+6
01805 62xxxx WWTORR BT, Torrington (Devon) 4+6
01805 63xxxx Cable & Wireless UK 4+6
01805 64xxxx Gamma Telecom Holdings Ltd 4+6
01805 65xxxx Danemere Street Creative 4+6
01805 66xxxx Edge Telecom Ltd 4+6
01805 67xxxx BT 4+6
01805 67xxxx WWTORR BT, Torrington (Devon) 4+6
01805 68xxxx Magrathea Telecommunications Limited 4+6
01805 72xxxx FleXtel Limited 4+6
01805 80xxxx BT 4+6
01805 80xxxx WWDOLT BT, Dolton (Devon) 4+6
01805 81xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01805 82xxxx TelNG Limited 4+6 F-Digit '2'
01805 83xxxx Localphone Limited 4+6 F-Digit '0'
01805 84xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01805 85xxxx Syntec UK Ltd 4+6
01805 86xxxx Orange Home UK Plc 4+6 F-Digit '0'
01805 87xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01805 88xxxx Skycom Ltd 4+6 F-Digit '2'
01805 89xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01805 90xxxx Inclarity plc 4+6 F-Digit '2'
01805 91xxxx Teledesign plc 4+6 F-Digit '2'
01805 92xxxx C3 Europe Limited 4+6 F-Digit '9'
01805 93xxxx Opal Telecom Limited 4+6 F-Digit '8'
01805 94xxxx Coralbridge Ltd 4+6 F-Digit '0'
01805 95xxxx TELSTRA EUROPE LIMITED 4+6
01805 96xxxx Net Solutions Europe Limited 4+6 F-Digit '6'
01805 97xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01805 98xxxx Freshtel UK Limited 4+6 F-Digit '7'