United Kingdom

Number Code Allocated To Number Length Notes
01870 20xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01870 21xxxx Timico Limited 4+6 F-Digit '8'
01870 22xxxx Net-Work Internet Ltd 4+6 F-Digit '2'
01870 23xxxx InTechnology Plc 4+6 F-Digit '2'
01870 24xxxx Telecom2 Ltd 4+6 F-Digit '6'
01870 25xxxx Telswitch Limited 4+6 F-Digit '0'
01870 26xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01870 27xxxx Voxbone SA 4+6 F-Digit '8'
01870 28xxxx Known Future Limited 4+6 F-Digit '0'
01870 29xxxx 3C Limited 4+6 F-Digit '2'
01870 30xxxx Starcomm Ltd 4+6 F-Digit '0'
01870 31xxxx Solutios Limited 4+6 F-Digit '2'
01870 32xxxx Mars Communications Limited 4+6 F-Digit '0'
01870 33xxxx IPV6 Limited 4+6 F-Digit '0'
01870 34xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01870 35xxxx Telecoms World Plc 4+6 F-Digit '0'
01870 36xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01870 37xxxx CFL Communications Limited 4+6 F-Digit '0'
01870 38xxxx Danemere Street Creative 4+6 F-Digit '2'
01870 39xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01870 40xxxx LogicStar Limited 4+6
01870 41xxxx Inclarity plc 4+6 F-Digit '2'
01870 42xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01870 43xxxx Orange Home UK Plc 4+6 F-Digit '0'
01870 44xxxx IV Response Limited 4+6
01870 45xxxx TelNG Limited 4+6 F-Digit '2'
01870 46xxxx Localphone Limited 4+6 F-Digit '0'
01870 47xxxx Gamma Telecom Holdings Ltd 4+6
01870 48xxxx Skycom Ltd 4+6 F-Digit '2'
01870 49xxxx FleXtel Limited 4+6
01870 60xxxx BT 4+6
01870 60xxxx NSBEN BT, Benbecula (Western Isles) 4+6
01870 61xxxx BT 4+6
01870 62xxxx BT 4+6
01870 63xxxx Net Solutions Europe Limited 4+6 F-Digit '3'
01870 64xxxx Edge Telecom Ltd 4+6
01870 65xxxx Coralbridge Ltd 4+6 F-Digit '0'
01870 66xxxx Magrathea Telecommunications Limited 4+6
01870 67xxxx C3 Europe Limited 4+6
01870 68xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01870 69xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01870 82xxxx Resilient Networks Plc 4+6 F-Digit '3,4'
01870 90xxxx Opal Telecom Limited 4+6 F-Digit '8'
01870 91xxxx VoIP-Un Limited 4+6 F-Digit '0'
01870 92xxxx Telephony Services Limited 4+6 F-Digit '2'