United Kingdom

Number Code Allocated To Number Length Notes
01851 20xxxx LogicStar Limited 4+6
01851 21xxxx Inclarity plc 4+6 F-Digit '2'
01851 22xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01851 23xxxx Skycom Ltd 4+6 F-Digit '2'
01851 24xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01851 25xxxx C3 Europe Limited 4+6 F-Digit '6'
01851 26xxxx TelNG Limited 4+6 F-Digit '2'
01851 27xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01851 280xxx Frontier Systems Ltd 4+6
01851 281xxx Frontier Systems Ltd 4+6
01851 282xxx Coralbridge Ltd 4+6
01851 283xxx Telephony Services Limited 4+6
01851 284xxx O-Bit Telecom Limited 4+6
01851 285xxx InTechnology Plc 4+6
01851 286xxx Telecom2 Ltd 4+6
01851 287xxx 3C Limited 4+6
01851 288xxx Opal Telecom Limited 4+6
01851 289xxx Telecoms World Plc 4+6
01851 29xxxx Syntec UK Ltd 4+6 F-Digit '2'
01851 300xxx Mars Communications Limited 4+6
01851 301xxx CFL Communications Limited 4+6
01851 302xxx Solutios Limited 4+6
01851 303xxx IPV6 Limited 4+6
01851 304xxx Nexus Telecommunications plc 4+6
01851 305xxx Invomo Ltd 4+6
01851 307xxx Gamma Telecom Holdings Ltd 4+6
01851 308xxx Known Communications Limited 4+6
01851 40xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01851 41xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01851 42xxxx Orange Home UK Plc 4+6 F-Digit '0'
01851 43xxxx TelNG Limited 4+6 F-Digit '2'
01851 440xxx Localphone Limited 4+6
01851 441xxx Opal Telecom Limited 4+6
01851 442xxx Teledesign plc 4+6
01851 443xxx VoIP-Un Limited 4+6
01851 444xxx Net-Work Internet Ltd 4+6
01851 445xxx Timico Limited 4+6
01851 446xxx Telecom2 Ltd 4+6
01851 447xxx 3C Limited 4+6
01851 448xxx Voxbone SA 4+6
01851 449xxx Known Future Limited 4+6
01851 450xxx Instant Telecommunications Ltd 4+6
01851 451xxx Mundio Mobile Limited 4+6
01851 452xxx Solutios Limited 4+6
01851 453xxx Danemere Street Creative 4+6
01851 60xxxx Gamma Telecom Holdings Ltd 4+6
01851 61xxxx BT 4+6
01851 62xxxx BT 4+6
01851 62xxxx NSCAL BT, Callanish (Western Isles) 4+6
01851 63xxxx LogicStar Limited 4+6
01851 64xxxx BT 4+6
01851 65xxxx Edge Telecom Ltd 4+6
01851 66xxxx Magrathea Telecommunications Limited 4+6
01851 67xxxx BT 4+6
01851 68xxxx Net Solutions Europe Limited 4+6 F-Digit '8'
01851 69xxxx Inclarity plc 4+6 F-Digit '2'
01851 70xxxx BT 4+6
01851 70xxxx NSSWY BT, Stornoway (Western Isles) 4+6
01851 71xxxx BT 4+6
01851 71xxxx NSSHA BT, Shawbost (Western Isles) 4+6
01851 72xxxx FleXtel Limited 4+6
01851 730xxx Localphone Limited 4+6
01851 731xxx Danemere Street Creative 4+6
01851 733xxx Telswitch Limited 4+6
01851 737xxx Starcomm Ltd 4+6
01851 738xxx Voxbone SA 4+6
01851 740xxx VoIP-Un Limited 4+6
01851 744xxx Teledesign plc 4+6
01851 747xxx Resilient Networks Plc 4+6
01851 75xxxx Net Solutions Europe Limited 4+6 F-Digit '5'
01851 76xxxx BT 4+6
01851 76xxxx NSSWY BT, Stornoway (Western Isles) 4+6
01851 77xxxx Thus Plc 4+6
01851 78xxxx Orange Home UK Plc 4+6 F-Digit '0'
01851 790xxx Known Future Limited 4+6
01851 799xxx Nationwide Telephone Assistance Ltd 4+6
01851 80xxxx Magrathea Telecommunications Limited 4+6
01851 81xxxx BT 4+6
01851 81xxxx NSPON BT, Port of Ness (Western Isles) 4+6
01851 820xxx NSBAC BT, Back (Western Isles) 4+6
01851 822xxx NSSWY BT, Stornoway (Western Isles) 4+6
01851 82xxxx BT 4+6
01851 83xxxx BT 4+6
01851 83xxxx NSBLL BT, Balallan (Western Isles) 4+6
01851 84xxxx BT 4+6
01851 85xxxx BT 4+6
01851 85xxxx NSBRV BT, Borve (Western Isles) 4+6
01851 86xxxx BT 4+6
01851 86xxxx NSCBS BT, Crossbost (Western Isles) 4+6
01851 87xxxx BT 4+6
01851 87xxxx NSGBT BT, Garrabost (Western Isles) 4+6
01851 88xxxx BT 4+6
01851 88xxxx NSGVR BT, Gravir (Western Isles) 4+6
01851 89xxxx BT 4+6