United Kingdom

Number Code Allocated To Number Length Notes
01840 20xxxx BT 4+6
01840 20xxxx WWCAME BT, Camelford (Cornwall) 4+6
01840 21xxxx BT 4+6
01840 21xxxx WWCAME BT, Camelford (Cornwall) 4+6
01840 22xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01840 23xxxx BT 4+6
01840 23xxxx WWSGEN BT, St Gennys (Cornwall) 4+6
01840 24xxxx Orange Home UK Plc 4+6 F-Digit '0'
01840 25xxxx BT 4+6
01840 25xxxx WWBOSC BT, Boscastle (Cornwall) 4+6
01840 26xxxx BT 4+6
01840 26xxxx WWOSTN BT, Otterham Station (Cornwall) 4+6
01840 27xxxx TelNG Limited 4+6 F-Digit '2'
01840 28xxxx Localphone Limited 4+6 F-Digit '0'
01840 29xxxx Magrathea Telecommunications Limited 4+6
01840 30xxxx VoIP-Un Limited 4+6 F-Digit '0'
01840 31xxxx Telephony Services Limited 4+6 F-Digit '2'
01840 32xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01840 33xxxx Net-Work Internet Ltd 4+6 F-Digit '3'
01840 34xxxx InTechnology Plc 4+6 F-Digit '2'
01840 35xxxx Telecom2 Ltd 4+6 F-Digit '6'
01840 36xxxx Timico Limited 4+6 F-Digit '8'
01840 37xxxx Voxbone SA 4+6 F-Digit '8'
01840 38xxxx Telswitch Limited 4+6 F-Digit '0'
01840 39xxxx Starcomm Ltd 4+6 F-Digit '0'
01840 40xxxx Known Future Limited 4+6 F-Digit '9'
01840 41xxxx Solutios Limited 4+6 F-Digit '2'
01840 42xxxx Mars Communications Limited 4+6 F-Digit '0'
01840 43xxxx 3C Limited 4+6 F-Digit '2'
01840 44xxxx IPV6 Limited 4+6 F-Digit '0'
01840 45xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01840 46xxxx Telecoms World Plc 4+6 F-Digit '0'
01840 47xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01840 48xxxx Danemere Street Creative 4+6 F-Digit '2'
01840 49xxxx Known Communications Limited 4+6 F-Digit '0'
01840 50xxxx CFL Communications Limited 4+6 F-Digit '0'
01840 51xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01840 70xxxx Gamma Telecom Holdings Ltd 4+6
01840 71xxxx Edge Telecom Ltd 4+6
01840 72xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01840 73xxxx LogicStar Limited 4+6
01840 74xxxx FleXtel Limited 4+6
01840 75xxxx Syntec UK Ltd 4+6
01840 76xxxx TELSTRA EUROPE LIMITED 4+6
01840 77xxxx BT 4+6
01840 77xxxx WWTINT BT, Tintagel (Cornwall) 4+6
01840 78xxxx Net Solutions Europe Limited 4+6 F-Digit '8'
01840 79xxxx Virgin Media Limited 4+6 F-Digit '4'
01840 90xxxx Coralbridge Ltd 4+6 F-Digit '0'
01840 91xxxx Inclarity plc 4+6 F-Digit '2'
01840 92xxxx C3 Europe Limited 4+6 F-Digit '6'
01840 93xxxx Opal Telecom Limited 4+6 F-Digit '8'
01840 94xxxx Freshtel UK Limited 4+6 F-Digit '7'
01840 95xxxx Teledesign plc 4+6 F-Digit '2'
01840 96xxxx Skycom Ltd 4+6 F-Digit '2'
01840 97xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01840 98xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'