United Kingdom

Number Code Allocated To Number Length Notes
01900 20xxxx Digital Mail Limited 4+6 F-Digit '0'
01900 21xxxx TelNG Limited 4+6 F-Digit '2'
01900 22xxxx Localphone Limited 4+6 F-Digit '0'
01900 23xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01900 24xxxx Skycom Ltd 4+6 F-Digit '2'
01900 25xxxx Coralbridge Ltd 4+6 F-Digit '0'
01900 26xxxx Opal Telecom Limited 4+6 F-Digit '8'
01900 27xxxx VoIP-Un Limited 4+6 F-Digit '0'
01900 28xxxx Entanet International Ltd 4+6 F-Digit '1'
01900 29xxxx Telephony Services Limited 4+6 F-Digit '2'
01900 30xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01900 31xxxx InTechnology Plc 4+6 F-Digit '2'
01900 322xxx LCWOR BT, Workington (Cumbria) 4+6
01900 3230xx LCCOC BT, Cockermouth (Cumbria) 4+6
01900 3231xx LCMAR BT, Maryport (Cumbria) 4+6
01900 3232xx LCWOR BT, Workington (Cumbria) 4+6
01900 3235xx LCWOR BT, Workington (Cumbria) 4+6
01900 3237xx LCMAR BT, Maryport (Cumbria) 4+6
01900 3238xx LCWOR BT, Workington (Cumbria) 4+6
01900 3241xx LCCOC BT, Cockermouth (Cumbria) 4+6
01900 3242xx LCWOR BT, Workington (Cumbria) 4+6
01900 3250xx LCWOR BT, Workington (Cumbria) 4+6
01900 3256xx LCCOC BT, Cockermouth (Cumbria) 4+6
01900 3257xx LCLOR BT, Lorton (Cumbria) 4+6
01900 3258xx LCCOC BT, Cockermouth (Cumbria) 4+6
01900 3262xx LCWOR BT, Workington (Cumbria) 4+6
01900 3269xx LCCOC BT, Cockermouth (Cumbria) 4+6
01900 327xxx LCWOR BT, Workington (Cumbria) 4+6
01900 32xxxx BT 4+6
01900 330xxx Telswitch Limited 4+6
01900 331xxx IPV6 Limited 4+6
01900 332xxx Known Future Limited 4+6
01900 333xxx Telecom2 Ltd 4+6
01900 334xxx 3C Limited 4+6
01900 335xxx Solutios Limited 4+6
01900 336xxx Easynet Group Ltd 4+6
01900 337xxx Starcomm Ltd 4+6
01900 338xxx Voxbone SA 4+6
01900 339xxx Mars Communications Limited 4+6
01900 340xxx Instant Telecommunications Ltd 4+6
01900 341xxx Known Communications Limited 4+6
01900 342xxx CFL Communications Limited 4+6
01900 343xxx Mundio Mobile Limited 4+6
01900 344xxx Telecoms World Plc 4+6
01900 345xxx Nexus Telecommunications plc 4+6
01900 346xxx TeleWare PLC 4+6
01900 349xxx i-Net Communications Group Plc 4+6
01900 350xxx Invomo Ltd 4+6
01900 50xxxx Cable & Wireless UK 4+6
01900 51xxxx Gamma Telecom Holdings Ltd 4+6
01900 52xxxx LogicStar Limited 4+6
01900 53xxxx FleXtel Limited 4+6
01900 54xxxx Danemere Street Creative 4+6
01900 55xxxx Cable and Wireless (Energis) 4+6
01900 56xxxx Net Solutions Europe Limited 4+6 F-Digit '6'
01900 57xxxx Virgin Media Limited 4+6
01900 58xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01900 59xxxx Freshtel UK Limited 4+6
01900 60xxxx BT 4+6
01900 60xxxx LCWOR BT, Workington (Cumbria) 4+6
01900 61xxx BT 4+5
01900 61xxx LCWOR BT, Workington (Cumbria) 4+5
01900 62xxx BT 4+5
01900 63xxx BT 4+5
01900 64xxx BT 4+5
01900 65xxx BT 4+5
01900 66xxx BT 4+5
01900 67xxx BT 4+5
01900 68xxx BT 4+5
01900 69xxxx Orange Home UK Plc 4+6 F-Digit '0'
01900 70xxxx Your Communications Ltd 4+6
01900 71xxxx Inclarity plc 4+6 F-Digit '2'
01900 72xxxx Teledesign plc 4+6 F-Digit '2'
01900 73xxxx BT 4+6
01900 73xxxx LCWOR BT, Workington (Cumbria) 4+6
01900 74xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01900 75xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01900 76xxxx Syntec UK Ltd 4+6
01900 77xxxx Edge Telecom Ltd 4+6
01900 78xxxx Switch Services Ltd 4+6
01900 79xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01900 80xxxx IV Response Limited 4+6
01900 81xxxx BT 4+6
01900 81xxxx LCMAR BT, Maryport (Cumbria) 4+6
01900 82xxxx BT 4+6
01900 82xxxx LCCOC BT, Cockermouth (Cumbria) 4+6
01900 83xxxx Magrathea Telecommunications Limited 4+6
01900 84xxxx BT 4+6
01900 84xxxx LCWOR BT, Workington (Cumbria) 4+6
01900 85xxx BT 4+5
01900 85xxx LCLOR BT, Lorton (Cumbria) 4+5
01900 86xxxx 4+6
01900 87xxxx BT 4+6
01900 87xxxx LCWOR BT, Workington (Cumbria) 4+6
01900 88xxxx BT 4+6
01900 88xxxx LCALL BT, Allonby (Cumbria) 4+6
01900 89xxxx BT 4+6
01900 89xxxx LCCOC BT, Cockermouth (Cumbria) 4+6