United Kingdom

Number Code Allocated To Number Length Notes
01873 20xxxx TelNG Limited 4+6 F-Digit '2'
01873 21xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01873 22xxxx Teledesign plc 4+6 F-Digit '2'
01873 23xxxx VoIP-Un Limited 4+6 F-Digit '0'
01873 24xxxx Localphone Limited 4+6 F-Digit '0'
01873 25xxxx Coralbridge Ltd 4+6 F-Digit '0'
01873 26xxxx Opal Telecom Limited 4+6 F-Digit '8'
01873 27xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01873 28xxxx Skycom Ltd 4+6 F-Digit '2'
01873 29xxxx InTechnology Plc 4+6 F-Digit '2'
01873 30xxxx BT 4+6
01873 30xxxx SWAG BT, Abergavenny (Gwent) 4+6
01873 31xxxx Syntec UK Ltd 4+6
01873 32xxxx TELSTRA EUROPE LIMITED 4+6
01873 33xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01873 34xxxx Net Solutions Europe Limited 4+6
01873 35xxxx C3 Europe Limited 4+6
01873 36xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01873 37xxxx Freshtel UK Limited 4+6 F-Digit '7'
01873 38xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01873 39xxxx Orange Home UK Plc 4+6 F-Digit '0'
01873 40xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01873 41xxxx Telecom2 Ltd 4+6 F-Digit '6'
01873 42xxxx Timico Limited 4+6 F-Digit '8'
01873 43xxxx Telswitch Limited 4+6 F-Digit '0'
01873 44xxxx Voxbone SA 4+6 F-Digit '8'
01873 45xxxx Starcomm Ltd 4+6 F-Digit '0'
01873 46xxxx Known Future Limited 4+6 F-Digit '5'
01873 47xxxx 3C Limited 4+6 F-Digit '2'
01873 48xxxx Solutios Limited 4+6 F-Digit '2'
01873 49xxxx Mars Communications Limited 4+6 F-Digit '0'
01873 50xxxx IPV6 Limited 4+6 F-Digit '0'
01873 51xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01873 52xxxx Switch Services Ltd 4+6 F-Digit '0'
01873 53xxxx Telecoms World Plc 4+6 F-Digit '0'
01873 54xxxx CFL Communications Limited 4+6 F-Digit '0'
01873 55xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01873 57xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01873 70xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01873 71xxxx Cable & Wireless UK 4+6
01873 72xxxx LogicStar Limited 4+6
01873 73xxxx BT 4+6
01873 73xxxx SWAG BT, Abergavenny (Gwent) 4+6
01873 74xxxx Telephony Services Limited 4+6
01873 75xxxx Edge Telecom Ltd 4+6
01873 76xxxx FleXtel Limited 4+6
01873 77xxxx Gamma Telecom Holdings Ltd 4+6
01873 78xxxx Danemere Street Creative 4+6
01873 79xxxx Global Crossing (UK) Ltd 4+6
01873 80xxxx TG Support Limited 4+6
01873 81xxxx BT 4+6
01873 81xxxx SWCOO BT, Crickhowell (Powys) 4+6
01873 82xxxx BT 4+6
01873 83xxxx BT 4+6
01873 83xxxx SWGAR BT, Gilwern (Gwent) 4+6
01873 84xxxx BT 4+6
01873 84xxxx SWLKX BT, Gobion (Gwent) 4+6
01873 85xxxx BT 4+6
01873 85xxxx SWAG BT, Abergavenny (Gwent) 4+6
01873 86xxxx BT 4+6
01873 87xxxx Magrathea Telecommunications Limited 4+6
01873 88xxxx BT 4+6
01873 88xxxx SWNTD BT, Nantyderry (Gwent) 4+6
01873 89xxxx BT 4+6
01873 89xxxx SWLCY BT, Crucorney (Gwent) 4+6