United Kingdom

Number Code Allocated To Number Length Notes
01553 20xxxx Orange Home UK Plc 4+6 F-Digit '0'
01553 21xxxx Verizon UK Ltd 4+6 F-Digit '0-9'
01553 22xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01553 23xxxx TelNG Limited 4+6 F-Digit '2'
01553 24xxxx Cable and Wireless (Energis) 4+6
01553 25xxxx TG Support Limited 4+6 F-Digit '2'
01553 26xxxx Localphone Limited 4+6 F-Digit '0'
01553 27xxxx Opal Telecom Limited 4+6 F-Digit '8'
01553 28xxxx Teledesign plc 4+6 F-Digit '2'
01553 29xxxx Resilient Networks Plc 4+6 F-Digit '9'
01553 30xxxx Coralbridge Ltd 4+6 F-Digit '0'
01553 31xxxx VoIP-Un Limited 4+6 F-Digit '0'
01553 32xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01553 33xxxx Affiniti Integrated Solutions Ltd 4+6 F-Digit '4'
01553 340xxx Tiscali UK Limited 4+6
01553 341xxx INET Telecoms Ltd (Voipfone) 4+6
01553 342xxx Solutios Limited 4+6
01553 343xxx Telswitch Limited 4+6
01553 344xxx Net-Work Internet Ltd 4+6
01553 345xxx 3C Limited 4+6
01553 346xxx Telecom2 Ltd 4+6
01553 347xxx Starcomm Ltd 4+6
01553 348xxx Voxbone SA 4+6
01553 349xxx Easynet Group Ltd 4+6
01553 350xxx Mars Communications Limited 4+6
01553 351xxx IPV6 Limited 4+6
01553 352xxx Instant Telecommunications Ltd 4+6
01553 353xxx Qeito Network Solutions Ltd 4+6
01553 354xxx Switch Services Ltd 4+6
01553 355xxx Telecoms World Plc 4+6
01553 356xxx Lixxus Ltd 4+6
01553 357xxx Known Communications Limited 4+6
01553 358xxx CFL Communications Limited 4+6
01553 359xxx Mundio Mobile Limited 4+6
01553 360xxx Nexus Telecommunications plc 4+6
01553 361xxx Invomo Ltd 4+6
01553 363xxx i-Net Communications Group Plc 4+6
01553 364xxx Orbis Telecom 4+6
01553 60xxxx Gamma Telecom Holdings Ltd 4+6
01553 612xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 614xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 616xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 617xxx EASGM BT, Saint Germans (Norfolk) 4+6
01553 61xxxx BT 4+6
01553 62xxxx Cable & Wireless UK 4+6
01553 630xxx EAASW BT, Ashwicken (Norfolk) 4+6
01553 631xxx EACAR BT, Castle Rising (Norfolk) 4+6
01553 632xxx EAASW BT, Ashwicken (Norfolk) 4+6
01553 633xxx EACAR BT, Castle Rising (Norfolk) 4+6
01553 635xxx EAGAY BT, Gayton (Norfolk) 4+6
01553 636xxx EAGAY BT, Gayton (Norfolk) 4+6
01553 63xxxx BT 4+6
01553 64xxxx InTechnology Plc 4+6
01553 65xxxx Edge Telecom Ltd 4+6
01553 66xxxx BT 4+6
01553 66xxxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 67xxxx BT 4+6
01553 67xxxx EASWO BT, South Wootton (Norfolk) 4+6
01553 68xxxx BT 4+6
01553 68xxxx EASWO BT, South Wootton (Norfolk) 4+6
01553 69xxxx BT 4+6
01553 69xxxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 70xxxx Syntec UK Ltd 4+6
01553 71xxxx VTL (UK) Limited 4+6 F-Digit '9'
01553 72xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01553 730xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 731xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 7320xx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 7324xx EATSC BT, Terrington St Clemen (Norfolk) 4+6
01553 7325xx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 7329xx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 734xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 735xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 73xxxx BT 4+6
01553 74xxxx LogicStar Limited 4+6
01553 75xxxx Telephony Services Limited 4+6
01553 76xxxx BT 4+6
01553 76xxxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 77xxxx BT 4+6
01553 77xxxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 78xxxx BT 4+6
01553 79xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01553 80xxxx Danemere Street Creative 4+6
01553 810xxx EAWTL BT, Watlington (norfolk) (Norfolk) 4+6
01553 8130xx EAWTL BT, Watlington (norfolk) (Norfolk) 4+6
01553 8135xx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 8136xx EAWTL BT, Watlington (norfolk) (Norfolk) 4+6
01553 815xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 816xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 81xxxx BT 4+6
01553 825xxx EATSC BT, Terrington St Clemen (Norfolk) 4+6
01553 826xxx EAKLN BT, Kings Lynn (Norfolk) 4+6
01553 827xxx EATSC BT, Terrington St Clemen (Norfolk) 4+6
01553 828xxx EATSC BT, Terrington St Clemen (Norfolk) 4+6
01553 82xxxx BT 4+6
01553 83xxxx Coms.Com Ltd 4+6 F-Digit '3'
01553 84xxxx BT 4+6
01553 84xxxx EAMID BT, Middleton - Norfolk (Norfolk) 4+6
01553 85xxxx FleXtel Limited 4+6
01553 86xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01553 87xxxx Inclarity plc 4+6
01553 88xxxx Magrathea Telecommunications Limited 4+6
01553 89xxxx Known Future Limited 4+6 F-Digit '9'
01553 90xxxx TG Support Limited 4+6
01553 91xxxx Virgin Media Limited 4+6
01553 92xxxx Thus Plc 4+6
01553 93xxxx TELSTRA EUROPE LIMITED 4+6
01553 94xxxx Net Solutions Europe Limited 4+6 F-Digit '4'
01553 95xxxx Pipemedia Ltd 4+6
01553 96xxxx C3 Europe Limited 4+6 F-Digit '3'
01553 97xxxx Freshtel UK Limited 4+6 F-Digit '0'
01553 98xxxx Skycom Ltd 4+6 F-Digit '2'