United Kingdom

Number Code Allocated To Number Length Notes
01573 20xxxx Inclarity plc 4+6 F-Digit '2'
01573 21xxxx Freshtel UK Limited 4+6 F-Digit '7'
01573 22xxxx BT 4+6
01573 22xxxx ESKEL BT, Kelso (Borders) 4+6
01573 23xxxx Magrathea Telecommunications Limited 4+6
01573 24xxxx LogicStar Limited 4+6
01573 25xxxx Virgin Media Limited 4+6
01573 26xxxx FleXtel Limited 4+6
01573 27xxxx C3 Europe Limited 4+6 F-Digit '3'
01573 28xxxx BT 4+6
01573 28xxxx ESKEL BT, Kelso (Borders) 4+6
01573 29xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01573 30xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01573 31xxxx Coralbridge Ltd 4+6 F-Digit '0'
01573 32xxxx VoIP-Un Limited 4+6 F-Digit '0'
01573 33xxxx Thus Plc 4+6
01573 34xxxx Opal Telecom Limited 4+6 F-Digit '8'
01573 35xxxx Telephony Services Limited 4+6 F-Digit '2'
01573 36xxxx Resilient Networks Plc 4+6 F-Digit '6'
01573 37xxxx Telecom2 Ltd 4+6 F-Digit '6'
01573 38xxxx Timico Limited 4+6 F-Digit '8'
01573 39xxxx Telswitch Limited 4+6 F-Digit '0'
01573 40xxxx Gamma Telecom Holdings Ltd 4+6
01573 41xxxx BT 4+6
01573 41xxxx ESGRD BT, Gordon (Borders) 4+6
01573 42xxxx BT 4+6
01573 42xxxx ESYET BT, Yetholm (Borders) 4+6
01573 43xxxx BT 4+6
01573 43xxxx ESLEM BT, Lempitlaw (Borders) 4+6
01573 44xxxx BT 4+6
01573 44xxxx ESMRB BT, Morebattle (Borders) 4+6
01573 45xxxx BT 4+6
01573 45xxxx ESROX BT, Roxburgh (Borders) 4+6
01573 46xxxx BT 4+6
01573 46xxxx ESSMA BT, Smailholm (Borders) 4+6
01573 47xxxx BT 4+6
01573 47xxxx ESSTH BT, Stichill (Borders) 4+6
01573 48xxxx Edge Telecom Ltd 4+6
01573 49xxxx Syntec UK Ltd 4+6
01573 50xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01573 51xxxx Starcomm Ltd 4+6 F-Digit '0'
01573 52xxxx Voxbone SA 4+6 F-Digit '8'
01573 53xxxx 3C Limited 4+6 F-Digit '2'
01573 54xxxx Solutios Limited 4+6 F-Digit '2'
01573 55xxxx Known Future Limited 4+6 F-Digit '0'
01573 56xxxx Mars Communications Limited 4+6 F-Digit '0'
01573 57xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01573 58xxxx IPV6 Limited 4+6 F-Digit '0'
01573 59xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01573 60xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01573 61xxxx Switch Services Ltd 4+6 F-Digit '0'
01573 62xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01573 63xxxx CFL Communications Limited 4+6 F-Digit '0'
01573 64xxxx Danemere Street Creative 4+6 F-Digit '2'
01573 90xxxx Orange Home UK Plc 4+6 F-Digit '0'
01573 91xxxx TelNG Limited 4+6 F-Digit '2'
01573 92xxxx Skycom Ltd 4+6 F-Digit '2'
01573 93xxxx Net Solutions Europe Limited 4+6 F-Digit '3'
01573 94xxxx Teledesign plc 4+6 F-Digit '2'
01573 95xxxx Localphone Limited 4+6 F-Digit '0'
01573 96xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01573 97xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01573 98xxxx InTechnology Plc 4+6 F-Digit '2'