United Kingdom

Number Code Allocated To Number Length Notes
01766 20xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01766 21xxxx Coralbridge Ltd 4+6 F-Digit '0'
01766 22xxxx Skycom Ltd 4+6 F-Digit '2'
01766 23xxxx Opal Telecom Limited 4+6 F-Digit '8'
01766 24xxxx Telephony Services Limited 4+6 F-Digit '2'
01766 25xxxx VoIP-Un Limited 4+6 F-Digit '0'
01766 26xxxx Teledesign plc 4+6 F-Digit '2'
01766 27xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01766 28xxxx InTechnology Plc 4+6 F-Digit '2'
01766 29xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01766 30xxxx Telecom2 Ltd 4+6 F-Digit '6'
01766 31xxxx Telswitch Limited 4+6 F-Digit '0'
01766 32xxxx Timico Limited 4+6 F-Digit '8'
01766 33xxxx Net-Work Internet Ltd 4+6 F-Digit '3'
01766 34xxxx Voxbone SA 4+6 F-Digit '8'
01766 35xxxx Starcomm Ltd 4+6 F-Digit '0'
01766 36xxxx Known Future Limited 4+6 F-Digit '0'
01766 37xxxx Solutios Limited 4+6 F-Digit '2'
01766 38xxxx IPV6 Limited 4+6 F-Digit '0'
01766 39xxxx Mars Communications Limited 4+6 F-Digit '0'
01766 40xxxx 3C Limited 4+6 F-Digit '2'
01766 41xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01766 42xxxx Telecoms World Plc 4+6 F-Digit '0'
01766 43xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01766 44xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01766 45xxxx CFL Communications Limited 4+6
01766 4630xx WNPOR BT, Porthmadog (Gwynedd) 4+6
01766 4631xx WNBFF BT, Blaenau Ffestiniog (Gwynedd) 4+6
01766 4632xx WNCRI BT, Criccieth (Gwynedd) 4+6
01766 4633xx WNBFF BT, Blaenau Ffestiniog (Gwynedd) 4+6
01766 4635xx WNCRI BT, Criccieth (Gwynedd) 4+6
01766 4636xx WNHAR BT, Harlech (Gwynedd) 4+6
01766 4637xx WNPDD BT, Penrhyndeudraeth (Gwynedd) 4+6
01766 4638xx WNPOR BT, Porthmadog (Gwynedd) 4+6
01766 4650xx WNPOR BT, Porthmadog (Gwynedd) 4+6
01766 4654xx WNPOR BT, Porthmadog (Gwynedd) 4+6
01766 4659xx WNTRA BT, Trawsfynydd (Gwynedd) 4+6
01766 46xxxx BT 4+6
01766 47xxxx Danemere Street Creative 4+6 F-Digit '2'
01766 50xxxx LogicStar Limited 4+6
01766 51xxxx BT 4+6
01766 51xxxx WNPOR BT, Porthmadog (Gwynedd) 4+6
01766 52xxxx BT 4+6
01766 52xxxx WNCRI BT, Criccieth (Gwynedd) 4+6
01766 53xxxx BT 4+6
01766 53xxxx WNGD BT, Garn Dolbenmaen (Gwynedd) 4+6
01766 540xxx WNTRA BT, Trawsfynydd (Gwynedd) 4+6
01766 543xxx WNPOR BT, Porthmadog (Gwynedd) 4+6
01766 54xxxx BT 4+6
01766 55xxxx Edge Telecom Ltd 4+6
01766 56xxxx Cable & Wireless UK 4+6
01766 57xxxx Syntec UK Ltd 4+6
01766 58xxxx Global Crossing (UK) Ltd 4+6
01766 59xxxx BT 4+6
01766 59xxxx WNMAN BT, Maentwrog (Gwynedd) 4+6
01766 70xxxx TELSTRA EUROPE LIMITED 4+6 F-Digit '4'
01766 71xxxx Inclarity plc 4+6 F-Digit '2'
01766 72xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01766 73xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01766 74xxxx C3 Europe Limited 4+6 F-Digit '6'
01766 75xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01766 76xxxx BT 4+6
01766 76xxxx WNFF BT, Ffestiniog (Gwynedd) 4+6
01766 77xxxx BT 4+6
01766 77xxxx WNPDD BT, Penrhyndeudraeth (Gwynedd) 4+6
01766 78xxxx BT 4+6
01766 78xxxx WNHAR BT, Harlech (Gwynedd) 4+6
01766 79xxxx Net Solutions Europe Limited 4+6 F-Digit '9'
01766 80xxxx Gamma Telecom Holdings Ltd 4+6
01766 81xxxx BT 4+6
01766 81xxxx WNCHW BT, Chwilog (Gwynedd) 4+6
01766 82xxxx Orange Home UK Plc 4+6 F-Digit '0'
01766 83xxxx BT 4+6
01766 83xxxx WNBFF BT, Blaenau Ffestiniog (Gwynedd) 4+6
01766 84xxxx TelNG Limited 4+6 F-Digit '2'
01766 85xxxx Localphone Limited 4+6 F-Digit '0'
01766 86xxxx Freshtel UK Limited 4+6
01766 87xxxx FleXtel Limited 4+6
01766 88xxxx Magrathea Telecommunications Limited 4+6
01766 89xxxx BT 4+6
01766 89xxxx WNBED BT, Beddgelert (Gwynedd) 4+6