United Kingdom

Number Code Allocated To Number Length Notes
01838 20xxxx BT 4+6
01838 20xxxx WSDAY BT, Dalmally (Strathclyde) 4+6
01838 21xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01838 22xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01838 23xxxx Coralbridge Ltd 4+6 F-Digit '0'
01838 24xxxx Opal Telecom Limited 4+6 F-Digit '8'
01838 25xxxx Teledesign plc 4+6 F-Digit '2'
01838 26xxxx VoIP-Un Limited 4+6 F-Digit '0'
01838 27xxxx Telephony Services Limited 4+6 F-Digit '2'
01838 28xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01838 29xxxx InTechnology Plc 4+6 F-Digit '2'
01838 30xxxx BT 4+6
01838 30xxxx WSCRI BT, Crianlarich (Stirling) 4+6
01838 31xxxx LogicStar Limited 4+6
01838 32xxxx Gamma Telecom Holdings Ltd 4+6
01838 33xxxx Magrathea Telecommunications Limited 4+6
01838 34xxxx C3 Europe Limited 4+6 F-Digit '6'
01838 35xxxx Edge Telecom Ltd 4+6
01838 36xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01838 37xxxx Freshtel UK Limited 4+6 F-Digit '7'
01838 38xxxx Net Solutions Europe Limited 4+6 F-Digit '8'
01838 39xxxx FleXtel Limited 4+6
01838 40xxxx BT 4+6
01838 40xxxx WSTYN BT, Tyndrum (Stirling) 4+6
01838 41xxxx Telecom2 Ltd 4+6 F-Digit '6'
01838 42xxxx Timico Limited 4+6 F-Digit '8'
01838 43xxxx Telswitch Limited 4+6 F-Digit '0'
01838 44xxxx Voxbone SA 4+6 F-Digit '8'
01838 45xxxx Starcomm Ltd 4+6 F-Digit '0'
01838 46xxxx Known Future Limited 4+6 F-Digit '0'
01838 47xxxx Solutios Limited 4+6 F-Digit '2'
01838 48xxxx Mars Communications Limited 4+6 F-Digit '0'
01838 49xxxx IPV6 Limited 4+6 F-Digit '0'
01838 50xxxx 3C Limited 4+6 F-Digit '2'
01838 51xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01838 52xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01838 53xxxx CFL Communications Limited 4+6 F-Digit '0'
01838 54xxxx Known Communications Limited 4+6 F-Digit '0'
01838 55xxxx Danemere Street Creative 4+6 F-Digit '2'
01838 56xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01838 90xxxx Syntec UK Ltd 4+6
01838 91xxxx Inclarity plc 4+6 F-Digit '2'
01838 92xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01838 93xxxx Orange Home UK Plc 4+6 F-Digit '0'
01838 94xxxx Skycom Ltd 4+6 F-Digit '2'
01838 95xxxx TelNG Limited 4+6 F-Digit '2'
01838 96xxxx Localphone Limited 4+6 F-Digit '0'
01838 97xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01838 98xxxx Net-Work Internet Ltd 4+6 F-Digit '0'