United Kingdom

Number Code Allocated To Number Length Notes
01780 20xxxx VTL (UK) Limited 4+6 F-Digit '5'
01780 21xxxx TelNG Limited 4+6 F-Digit '2'
01780 22xxxx Localphone Limited 4+6 F-Digit '0'
01780 23xxxx Opal Telecom Limited 4+6 F-Digit '8'
01780 24xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01780 25xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01780 26xxxx Orange Home UK Plc 4+6 F-Digit '0'
01780 27xxxx Coralbridge Ltd 4+6 F-Digit '0'
01780 28xxxx Skycom Ltd 4+6 F-Digit '2'
01780 29xxxx Teledesign plc 4+6 F-Digit '2'
01780 30xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01780 31xxxx VoIP-Un Limited 4+6 F-Digit '0'
01780 32xxxx Telephony Services Limited 4+6 F-Digit '2'
01780 33xxxx Net-Work Internet Ltd 4+6 F-Digit '3'
01780 34xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01780 35xxxx InTechnology Plc 4+6 F-Digit '2'
01780 36xxxx Rutland Telecom Ltd 4+6 F-Digit '1'
01780 37xxxx Telecom2 Ltd 4+6 F-Digit '6'
01780 38xxxx Timico Limited 4+6 F-Digit '8'
01780 39xxxx Telswitch Limited 4+6 F-Digit '0'
01780 40xxxx Magrathea Telecommunications Limited 4+6
01780 41xxxx BT 4+6
01780 41xxxx EMCABYT BT, Castle Bytham (Lincolnshire) 4+6
01780 42xxxx Cable & Wireless UK 4+6
01780 43xxxx Gamma Telecom Holdings Ltd 4+6
01780 44xxxx BT 4+6
01780 44xxxx EMDUDDI BT, Duddington (Leicestershire) 4+6
01780 45xxxx BT 4+6
01780 45xxxx EMBULWI BT, Bulwick (Northamptonshire) 4+6
01780 46xxxx BT 4+6
01780 46xxxx EMEMPIN BT, Empingham (Leicestershire) 4+6
01780 47xxxx BT 4+6
01780 47xxxx EMKCLIF BT, Kings Cliffe (Northamptonshire) 4+6
01780 48xxxx BT 4+6
01780 48xxxx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 49xxxx Edge Telecom Ltd 4+6
01780 50xxxx Tiscali UK Limited 4+6 F-Digit '0'
01780 51xxxx Voxbone SA 4+6 F-Digit '8'
01780 52xxxx Starcomm Ltd 4+6 F-Digit '0'
01780 53xxxx 3C Limited 4+6 F-Digit '2'
01780 54xxxx Solutios Limited 4+6 F-Digit '2'
01780 55xxxx Known Future Limited 4+6 F-Digit '2'
01780 56xxxx Mars Communications Limited 4+6 F-Digit '0'
01780 57xxxx IPV6 Limited 4+6 F-Digit '0'
01780 58xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01780 59xxxx Easynet Group Ltd 4+6 F-Digit '0'
01780 60xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01780 61xxxx Switch Services Ltd 4+6 F-Digit '0'
01780 62xxxx Telecoms World Plc 4+6 F-Digit '0'
01780 63xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01780 64xxxx CFL Communications Limited 4+6 F-Digit '0'
01780 680xxx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 6830xx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 6834xx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 6837xx EMWSFRD BT, Wansford (Cambridgeshire) 4+6
01780 6838xx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 6860xx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 6864xx EMNLUFF BT, North Luffenham (Leicestershire) 4+6
01780 6865xx EMEMPIN BT, Empingham (Leicestershire) 4+6
01780 6868xx EMEMPIN BT, Empingham (Leicestershire) 4+6
01780 68xxxx BT 4+6
01780 70xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01780 71xxxx Inclarity plc 4+6
01780 72xxxx BT 4+6
01780 72xxxx EMNLUFF BT, North Luffenham (Leicestershire) 4+6
01780 73xxxx LogicStar Limited 4+6
01780 74xxxx BT 4+6
01780 74xxxx EMBAINT BT, Bainton (Cambridgeshire) 4+6
01780 75xxxx BT 4+6
01780 75xxxx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 76xxxx BT 4+6
01780 76xxxx EMSTMFD BT, Stamford (Lincolnshire) 4+6
01780 77xxxx Affiniti Integrated Solutions Ltd 4+6
01780 78xxxx BT 4+6
01780 78xxxx EMWSFRD BT, Wansford (Cambridgeshire) 4+6
01780 79xxxx Global Crossing (UK) Ltd 4+6
01780 80xxxx Danemere Street Creative 4+6
01780 81xxxx FleXtel Limited 4+6
01780 82xxxx Thus Plc 4+6
01780 83xxxx Syntec UK Ltd 4+6 F-Digit '2'
01780 84xxxx TELSTRA EUROPE LIMITED 4+6 F-Digit '4'
01780 85xxxx C3 Europe Limited 4+6 F-Digit '6'
01780 86xxxx Coms.Com Ltd 4+6 F-Digit '3'
01780 87xxxx Freshtel UK Limited 4+6 F-Digit '7'
01780 88xxxx Net Solutions Europe Limited 4+6 F-Digit '8'
01780 89xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'