United Kingdom

Number Code Allocated To Number Length Notes
01580 20xxxx BT 4+6
01580 20xxxx NDTIC BT, Ticehurst (East Sussex) 4+6
01580 21xxxx BT 4+6
01580 21xxxx NDGOU BT, Goudhurst (Kent) 4+6
01580 22xxxx InTechnology Plc 4+6
01580 23xxxx Gamma Telecom Holdings Ltd 4+6
01580 24xxxx BT 4+6
01580 24xxxx NDBEN BT, Benenden (Kent) 4+6
01580 25xxxx LogicStar Limited 4+6
01580 2615xx NDTEN BT, Tenterden (Kent) 4+6
01580 2617xx NDCRA BT, Cranbrook (Kent) 4+6
01580 2619xx NDCRA BT, Cranbrook (Kent) 4+6
01580 262xxx NDTEN BT, Tenterden (Kent) 4+6
01580 2634xx NDTEN BT, Tenterden (Kent) 4+6
01580 2638xx NDCRA BT, Cranbrook (Kent) 4+6
01580 2639xx NDTEN BT, Tenterden (Kent) 4+6
01580 2654xx NDHAK BT, Hawkhurst (Kent) 4+6
01580 2656xx NDCRA BT, Cranbrook (Kent) 4+6
01580 26xxxx BT 4+6
01580 27xxxx Cable & Wireless UK 4+6
01580 28xxxx Edge Telecom Ltd 4+6
01580 29xxxx BT 4+6
01580 29xxxx NDBID BT, Biddenden (Kent) 4+6
01580 30xxxx Virgin Media Limited 4+6
01580 31xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01580 32xxxx Teledesign plc 4+6 F-Digit '2'
01580 33xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01580 34xxxx Coralbridge Ltd 4+6 F-Digit '0'
01580 35xxxx VoIP-Un Limited 4+6 F-Digit '0'
01580 36xxxx Affiniti Integrated Solutions Ltd 4+6 F-Digit '3'
01580 37xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01580 38xxxx Opal Telecom Limited 4+6 F-Digit '8'
01580 39xxxx Telephony Services Limited 4+6 F-Digit '2'
01580 40xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01580 41xxxx Global Crossing (UK) Ltd 4+6 F-Digit '3'
01580 420xxx Telswitch Limited 4+6
01580 421xxx Known Future Limited 4+6
01580 422xxx 3C Limited 4+6
01580 423xxx Solutios Limited 4+6
01580 424xxx Starcomm Ltd 4+6
01580 425xxx Mars Communications Limited 4+6
01580 426xxx Telecom2 Ltd 4+6
01580 427xxx IPV6 Limited 4+6 F-Digit '0'
01580 428xxx Voxbone SA 4+6
01580 429xxx Instant Telecommunications Ltd 4+6
01580 430xxx Switch Services Ltd 4+6
01580 431xxx TG Support Limited 4+6
01580 432xxx Mundio Mobile Limited 4+6
01580 433xxx CFL Communications Limited 4+6
01580 434xxx Telecoms World Plc 4+6
01580 435xxx Nexus Telecommunications plc 4+6
01580 436xxx Invomo Ltd 4+6
01580 437xxx i-Net Communications Group Plc 4+6
01580 70xxxx VTL (UK) Limited 4+6 F-Digit '5'
01580 71xxxx BT 4+6
01580 71xxxx NDCRA BT, Cranbrook (Kent) 4+6
01580 72xxxx BT 4+6
01580 72xxxx NDCRA BT, Cranbrook (Kent) 4+6
01580 73xxxx Danemere Street Creative 4+6
01580 74xxxx FleXtel Limited 4+6
01580 75xxxx BT 4+6
01580 75xxxx NDHAK BT, Hawkhurst (Kent) 4+6
01580 76xxxx BT 4+6
01580 76xxxx NDTEN BT, Tenterden (Kent) 4+6
01580 77xxxx TELSTRA EUROPE LIMITED 4+6
01580 78xxxx IV Response Limited 4+6
01580 79xxxx Syntec UK Ltd 4+6
01580 80xxxx Inclarity plc 4+6
01580 81xxxx BT 4+6
01580 81xxxx NDETC BT, Etchingham (East Sussex) 4+6
01580 82xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01580 83xxxx BT 4+6
01580 83xxxx NDSTP BT, Staplecross (East Sussex) 4+6
01580 84xxxx Magrathea Telecommunications Limited 4+6
01580 850xxx NDSAH BT, Sandhurst (Kent) 4+6
01580 851xxx NDSAH BT, Sandhurst (Kent) 4+6
01580 852xxx NDFRI BT, Frittenden (Kent) 4+6
01580 85xxxx BT 4+6
01580 86xxxx BT 4+6
01580 86xxxx NDHGR BT, Hurst Green (East Sussex) 4+6
01580 87xxxx BT 4+6
01580 87xxxx NDFLI BT, Flimwell (East Sussex) 4+6
01580 88xxxx BT 4+6
01580 88xxxx NDROB BT, Robertsbridge (East Sussex) 4+6
01580 89xxxx BT 4+6
01580 89xxxx NDSTA BT, Staplehurst (Kent) 4+6
01580 90xxxx C3 Europe Limited 4+6 F-Digit '0'
01580 91xxxx Orange Home UK Plc 4+6 F-Digit '0'
01580 92xxxx Freshtel UK Limited 4+6 F-Digit '7'
01580 93xxxx TelNG Limited 4+6 F-Digit '2'
01580 94xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01580 95xxxx Localphone Limited 4+6 F-Digit '0'
01580 96xxxx Skycom Ltd 4+6 F-Digit '2'
01580 97xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01580 98xxxx Net Solutions Europe Limited 4+6 F-Digit '8'