United Kingdom

Number Code Allocated To Number Length Notes
01665 20xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01665 21xxxx Coralbridge Ltd 4+6 F-Digit '0'
01665 22xxxx Net-Work Internet Ltd 4+6 F-Digit '2'
01665 23xxxx VoIP-Un Limited 4+6 F-Digit '0'
01665 24xxxx InTechnology Plc 4+6 F-Digit '2'
01665 25xxxx Telephony Services Limited 4+6 F-Digit '2'
01665 26xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01665 27xxxx Global Crossing (UK) Ltd 4+6 F-Digit '2'
01665 28xxxx Telecom2 Ltd 4+6 F-Digit '6'
01665 29xxxx Timico Limited 4+6 F-Digit '8'
01665 30xxxx Telswitch Limited 4+6 F-Digit '0'
01665 31xxxx Starcomm Ltd 4+6 F-Digit '0'
01665 32xxxx Voxbone SA 4+6 F-Digit '8'
01665 33xxxx 3C Limited 4+6 F-Digit '2'
01665 34xxxx Known Future Limited 4+6 F-Digit '0'
01665 35xxxx Solutios Limited 4+6 F-Digit '2'
01665 36xxxx Mars Communications Limited 4+6 F-Digit '0'
01665 37xxxx IPV6 Limited 4+6 F-Digit '0'
01665 38xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01665 39xxxx Telecoms World Direct Ltd 4+6 F-Digit '0'
01665 40xxxx Switch Services Ltd 4+6 F-Digit '0'
01665 41xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01665 42xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01665 43xxxx Danemere Street Creative 4+6 F-Digit '2'
01665 44xxxx CFL Communications Limited 4+6 F-Digit '0'
01665 45xxxx Known Communications Limited 4+6 F-Digit '0'
01665 50xxxx TelNG Limited 4+6 F-Digit '2'
01665 510xxx NEAW BT, Alnwick (Northumberland) 4+6
01665 511xxx NEAW BT, Alnwick (Northumberland) 4+6
01665 513xxx NEAM BT, Amble (Northumberland) 4+6
01665 51xxxx BT 4+6
01665 52xxxx LogicStar Limited 4+6
01665 53xxxx Thus Plc 4+6
01665 54xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01665 55xxxx Edge Telecom Ltd 4+6
01665 56xxxx Magrathea Telecommunications Limited 4+6
01665 570xxx NELT BT, Longframlington (Northumberland) 4+6
01665 571xxx NEEN BT, Embleton (Northumberland) 4+6
01665 572xxx NELO BT, Longhoughton (Northumberland) 4+6
01665 573xxx NELO BT, Longhoughton (Northumberland) 4+6
01665 574xxx NEWGM BT, Whittingham (Northumberland) 4+6
01665 575xxx NESHB BT, Shilbottle (Northumberland) 4+6
01665 576xxx NEEN BT, Embleton (Northumberland) 4+6
01665 577xxx NELO BT, Longhoughton (Northumberland) 4+6
01665 578xxx NEPB BT, Powburn (Northumberland) 4+6
01665 579xxx NECI BT, Charlton Mires (Northumberland) 4+6
01665 57xxxx BT 4+6
01665 580xxx NEPB BT, Powburn (Northumberland) 4+6
01665 581xxx NESHB BT, Shilbottle (Northumberland) 4+6
01665 589xxx NECHA BT, Chathill (Northumberland) 4+6
01665 58xxxx BT 4+6
01665 59xxxx Localphone Limited 4+6 F-Digit '0'
01665 60xxxx BT 4+6
01665 60xxxx NEAW BT, Alnwick (Northumberland) 4+6
01665 61xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01665 623xxx NEAW BT, Alnwick (Northumberland) 4+6
01665 625xxx NEAW BT, Alnwick (Northumberland) 4+6
01665 6260xx NEAW BT, Alnwick (Northumberland) 4+6
01665 6261xx NESEH BT, Seahouses (Northumberland) 4+6
01665 6262xx NEAW BT, Alnwick (Northumberland) 4+6
01665 6263xx NEAM BT, Amble (Northumberland) 4+6
01665 6264xx NEAW BT, Alnwick (Northumberland) 4+6
01665 6267xx NEAW BT, Alnwick (Northumberland) 4+6
01665 62xxxx BT 4+6
01665 63xxxx Cable & Wireless UK 4+6
01665 64xxxx Virgin Media Limited 4+6
01665 65xxxx Inclarity plc 4+6
01665 66xxxx Gamma Telecom Holdings Ltd 4+6
01665 67xxxx Freshtel UK Limited 4+6 F-Digit '7'
01665 68xxxx Teledesign plc 4+6 F-Digit '2'
01665 69xxxx Syntec UK Ltd 4+6
01665 70xxxx FleXtel Limited 4+6
01665 71xxxx BT 4+6
01665 71xxxx NEAM BT, Amble (Northumberland) 4+6
01665 72xxxx BT 4+6
01665 72xxxx NESEH BT, Seahouses (Northumberland) 4+6
01665 73xxxx TELSTRA EUROPE LIMITED 4+6 F-Digit '4'
01665 74xxxx Skycom Ltd 4+6 F-Digit '2'
01665 75xxxx Affiniti Integrated Solutions Ltd 4+6
01665 76xxxx Orange Home UK Plc 4+6 F-Digit '0'
01665 77xxxx Net Solutions Europe Limited 4+6 F-Digit '7'
01665 78xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01665 79xxxx Opal Telecom Limited 4+6 F-Digit '8'
01665 83xxxx BT 4+6
01665 83xxxx NEAL BT, Alnmouth (Northumberland) 4+6