United Kingdom

Number Code Allocated To Number Length Notes
01543 20xxxx InTechnology Plc 4+6
01543 21xxxx Redstone Communications Ltd 4+6
01543 22xxxx Gamma Telecom Holdings Ltd 4+6
01543 23xxxx Inclarity plc 4+6
01543 24xxxx LogicStar Limited 4+6
01543 25xxxx BT 4+6
01543 25xxxx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 26xxxx BT 4+6
01543 26xxxx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 27xxxx BT 4+6
01543 27xxxx CMHEA BT, Heath Hayes (Staffordshire) 4+6
01543 28xxxx Syntec UK Ltd 4+6 F-Digit '2'
01543 29xxxx Net Solutions Europe Limited 4+6 F-Digit '9'
01543 30xxxx Virgin Media Limited 4+6
01543 31xxxx Virgin Media Limited 4+6
01543 32xxxx Easynet Group Ltd 4+6 F-Digit '0'
01543 33xxxx Affiniti Integrated Solutions Ltd 4+6
01543 34xxxx VTL (UK) Limited 4+6 F-Digit '9'
01543 35xxxx Known Future Limited 4+6 F-Digit '5'
01543 36xxxx BT 4+6
01543 36xxxx CMBRU BT, Brownhills (West Midlands) 4+6
01543 37xxxx BT 4+6
01543 37xxxx CMBRU BT, Brownhills (West Midlands) 4+6
01543 38xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01543 39xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01543 40xxxx Cable & Wireless UK 4+6
01543 41xxxx BT 4+6
01543 41xxxx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 42xxxx BT 4+6
01543 42xxxx CMHED BT, Hednesford (Staffordshire) 4+6
01543 430xxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 431xxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 432xxx CMWHY BT, Whittington (Staffordshire) 4+6
01543 434xxx CMWHY BT, Whittington (Staffordshire) 4+6
01543 435xxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 436xxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 437xxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 43xxxx BT 4+6
01543 44xxxx BT 4+6
01543 44xxxx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 450xxx CMHEA BT, Heath Hayes (Staffordshire) 4+6
01543 451xxx CMHED BT, Hednesford (Staffordshire) 4+6
01543 452xxx CMBRU BT, Brownhills (West Midlands) 4+6
01543 456xxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 458xxx CMHEA BT, Heath Hayes (Staffordshire) 4+6
01543 45xxxx BT 4+6
01543 46xxxx BT 4+6
01543 46xxxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 47xxxx BT 4+6
01543 47xxxx CMYOX BT, Yoxall (Staffordshire) 4+6
01543 48xxxx BT 4+6
01543 48xxxx CMSHE BT, Shenstone (Staffordshire) 4+6
01543 490xxx CMARM BT, Armitage (Staffordshire) 4+6
01543 494xxx CMARM BT, Armitage (Staffordshire) 4+6
01543 495xxx CMHEA BT, Heath Hayes (Staffordshire) 4+6
01543 496xxx CMHEA BT, Heath Hayes (Staffordshire) 4+6
01543 49xxxx BT 4+6
01543 50xxxx BT 4+6
01543 50xxxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5100xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5101xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 5102xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5104xx CMBNW BT, Burntwood (Staffordshire) 4+6
01543 5106xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 511xxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5120xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 5122xx CMHED BT, Hednesford (Staffordshire) 4+6
01543 5123xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5124xx CMHED BT, Hednesford (Staffordshire) 4+6
01543 5125xx CMBRU BT, Brownhills (West Midlands) 4+6
01543 5126xx CMBNW BT, Burntwood (Staffordshire) 4+6
01543 5127xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 5128xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5129xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 513xxx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 5141xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5143xx CMBRU BT, Brownhills (West Midlands) 4+6
01543 5144xx CMHEA BT, Heath Hayes (Staffordshire) 4+6
01543 5145xx CMHED BT, Hednesford (Staffordshire) 4+6
01543 5146xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 5147xx CMSHE BT, Shenstone (Staffordshire) 4+6
01543 5148xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5149xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 5150xx CMBRU BT, Brownhills (West Midlands) 4+6
01543 5151xx CMBNW BT, Burntwood (Staffordshire) 4+6
01543 5170xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5172xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5173xx CMBRU BT, Brownhills (West Midlands) 4+6
01543 5174xx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 5176xx CMCAN BT, Cannock (Staffordshire) 4+6
01543 5177xx CMHEA BT, Heath Hayes (Staffordshire) 4+6
01543 518xxx CMLIC BT, Fradley Lichfield (Staffordshire) 4+6
01543 51xxxx BT 4+6
01543 52xxxx C3 Europe Limited 4+6 F-Digit '3'
01543 53xxxx Thus Plc 4+6
01543 54xxxx Freshtel UK Limited 4+6 F-Digit '0'
01543 55xxxx Your Communications Ltd 4+6
01543 56xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01543 57xxxx BT 4+6
01543 57xxxx CMCAN BT, Cannock (Staffordshire) 4+6
01543 58xxxx FleXtel Limited 4+6
01543 59xxxx TelNG Limited 4+6 F-Digit '2'
01543 60xxxx Skycom Ltd 4+6 F-Digit '2'
01543 61xxxx Orange Home UK Plc 4+6 F-Digit '0'
01543 620xxx Localphone Limited 4+6
01543 621xxx Coralbridge Ltd 4+6
01543 622xxx Frontier Systems Ltd 4+6
01543 623xxx VoIP-Un Limited 4+6
01543 624xxx Telephony Services Limited 4+6
01543 625xxx O-Bit Telecom Limited 4+6
01543 626xxx Teledesign plc 4+6
01543 627xxx Global Crossing (UK) Ltd 4+6
01543 628xxx TelXL Ltd 4+6
01543 629xxx Nationwide Telephone Assistance Ltd 4+6
01543 63xxxx TELSTRA EUROPE LIMITED 4+6
01543 640xxx Timico Limited 4+6
01543 641xxx Telswitch Limited 4+6
01543 642xxx Tiscali UK Limited 4+6
01543 643xxx Telecom2 Ltd 4+6
01543 644xxx Net-Work Internet Ltd 4+6
01543 645xxx 3C Limited 4+6
01543 646xxx Starcomm Ltd 4+6
01543 647xxx Solutios Limited 4+6
01543 648xxx Voxbone SA 4+6
01543 649xxx Skymarket Limited 4+6
01543 65xxxx Cable and Wireless (Energis) 4+6
01543 66xxxx Edge Telecom Ltd 4+6
01543 67xxxx BT 4+6
01543 67xxxx CMBNW BT, Burntwood (Staffordshire) 4+6
01543 682xxx CMBNW BT, Burntwood (Staffordshire) 4+6
01543 687xxx CMBNW BT, Burntwood (Staffordshire) 4+6
01543 688xxx CMBRU BT, Brownhills (West Midlands) 4+6
01543 68xxxx BT 4+6
01543 69xxxx Resilient Networks Plc 4+6 F-Digit '9'
01543 700xxx Mars Communications Limited 4+6
01543 701xxx IPV6 Limited 4+6
01543 702xxx Instant Telecommunications Ltd 4+6
01543 703xxx Telecoms World Plc 4+6
01543 704xxx Switch Services Ltd 4+6
01543 705xxx Danemere Street Creative 4+6
01543 706xxx Known Communications Limited 4+6
01543 707xxx Colloquium Ltd 4+6
01543 708xxx CFL Communications Limited 4+6
01543 709xxx Mundio Mobile Limited 4+6
01543 710xxx Nexus Telecommunications plc 4+6
01543 711xxx Invomo Ltd 4+6
01543 712xxx i-Net Communications Group Plc 4+6
01543 80xxxx Verizon UK Ltd 4+6 F-Digit '1,2'
01543 82xxxx Telewest Communications Group Limited 4+6
01543 83xxxx Cable & Wireless Plc 4+6
01543 86xxxx Power Internet Limited 4+6 F-Digit '1'
01543 87xxxx BT 4+6
01543 87xxxx CMHED BT, Hednesford (Staffordshire) 4+6
01543 88xxxx Magrathea Telecommunications Limited 4+6
01543 89xxxx Opal Telecom Limited 4+6 F-Digit '8'
0154310xxxx BT (0)+10
0154310xxxx CMHEA BT, Heath Hayes (Staffordshire) (0)+10