United Kingdom

Number Code Allocated To Number Length Notes
01830 20xxxx TelNG Limited 4+6 F-Digit '2'
01830 21xxxx Localphone Limited 4+6 F-Digit '0'
01830 22xxxx Coralbridge Ltd 4+6 F-Digit '0'
01830 23xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01830 24xxxx Orange Home UK Plc 4+6 F-Digit '0'
01830 25xxxx Opal Telecom Limited 4+6 F-Digit '8'
01830 26xxxx VoIP-Un Limited 4+6 F-Digit '0'
01830 27xxxx Telephony Services Limited 4+6 F-Digit '2'
01830 28xxxx Teledesign plc 4+6 F-Digit '2'
01830 29xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01830 30xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01830 31xxxx InTechnology Plc 4+6 F-Digit '2'
01830 32xxxx Telecom2 Ltd 4+6 F-Digit '6'
01830 33xxxx Timico Limited 4+6 F-Digit '8'
01830 34xxxx Telswitch Limited 4+6 F-Digit '0'
01830 35xxxx Voxbone SA 4+6 F-Digit '8'
01830 36xxxx Starcomm Ltd 4+6 F-Digit '0'
01830 37xxxx Known Future Limited 4+6 F-Digit '5'
01830 38xxxx Solutios Limited 4+6 F-Digit '2'
01830 39xxxx Mars Communications Limited 4+6 F-Digit '0'
01830 40xxxx IPV6 Limited 4+6 F-Digit '0'
01830 41xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01830 42xxxx 3C Limited 4+6 F-Digit '2'
01830 43xxxx Telecoms World Plc 4+6 F-Digit '0'
01830 44xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01830 45xxxx CFL Communications Limited 4+6 F-Digit '0'
01830 46xxxx Known Communications Limited 4+6 F-Digit '0'
01830 47xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01830 50xxxx Cable & Wireless UK 4+6
01830 51xxxx Magrathea Telecommunications Limited 4+6
01830 52xxxx BT 4+6
01830 52xxxx NEON BT, Otterburn (Northumberland) 4+6
01830 53xxxx BT 4+6
01830 53xxxx NECAP BT, Capheaton (Northumberland) 4+6
01830 54xxxx BT 4+6
01830 54xxxx NEKP BT, Kirkwhelpington (Northumberland) 4+6
01830 55xxxx Edge Telecom Ltd 4+6
01830 56xxxx LogicStar Limited 4+6
01830 57xxxx Gamma Telecom Holdings Ltd 4+6
01830 58xxxx Danemere Street Creative 4+6
01830 59xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01830 60xxxx FleXtel Limited 4+6
01830 61xxxx Skycom Ltd 4+6 F-Digit '2'
01830 62xxxx Virgin Media Limited 4+6
01830 63xxxx Net Solutions Europe Limited 4+6 F-Digit '3'
01830 64xxxx Inclarity plc 4+6 F-Digit '2'
01830 65xxxx Syntec UK Ltd 4+6
01830 66xxxx Freshtel UK Limited 4+6 F-Digit '7'
01830 67xxxx C3 Europe Limited 4+6 F-Digit '6'
01830 68xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01830 69xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01830 80xxxx Cable and Wireless (Energis) 4+6