United Kingdom

Number Code Allocated To Number Length Notes
01877 20xxxx TelNG Limited 4+6 F-Digit '2'
01877 21xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01877 22xxxx Coralbridge Ltd 4+6 F-Digit '0'
01877 23xxxx Opal Telecom Limited 4+6 F-Digit '8'
01877 24xxxx Telephony Services Limited 4+6 F-Digit '2'
01877 25xxxx VoIP-Un Limited 4+6 F-Digit '0'
01877 26xxxx Entanet International Ltd 4+6 F-Digit '1'
01877 27xxxx Localphone Limited 4+6 F-Digit '0'
01877 28xxxx Teledesign plc 4+6 F-Digit '2'
01877 29xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01877 30xxxx BT 4+6
01877 30xxxx ESCLR BT, Callander (Central) 4+6
01877 31xxxx LogicStar Limited 4+6
01877 32xxxx Magrathea Telecommunications Limited 4+6
01877 33xxxx BT 4+6
01877 33xxxx ESCLR BT, Callander (Central) 4+6
01877 34xxxx FleXtel Limited 4+6
01877 35xxxx Edge Telecom Ltd 4+6
01877 36xxxx Gamma Telecom Holdings Ltd 4+6
01877 37xxxx BT 4+6
01877 37xxxx ESTRO BT, Trossachs (Stirling) 4+6
01877 382xxx ESABF BT, Aberfoyle (Central) 4+6
01877 384xxx ESSRY BT, Strathyre (Stirling) 4+6
01877 385xxx ESPRM BT, Port of Menteith (Stirling) 4+6
01877 386xxx ESIVS BT, Inversnaid (Stirling) 4+6
01877 387xxx ESKLO BT, Kinlochard (Stirling) 4+6
01877 389xxx ESABF BT, Aberfoyle (Central) 4+6
01877 38xxxx BT 4+6
01877 39xxxx Danemere Street Creative 4+6
01877 40xxxx Net Solutions Europe Limited 4+6
01877 41xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01877 42xxxx C3 Europe Limited 4+6
01877 43xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01877 44xxxx Freshtel UK Limited 4+6 F-Digit '7'
01877 45xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01877 46xxxx Orange Home UK Plc 4+6 F-Digit '0'
01877 47xxxx Syntec UK Ltd 4+6
01877 48xxxx Inclarity plc 4+6 F-Digit '2'
01877 49xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01877 50xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01877 51xxxx Telecom2 Ltd 4+6 F-Digit '6'
01877 52xxxx InTechnology Plc 4+6 F-Digit '2'
01877 53xxxx Timico Limited 4+6 F-Digit '8'
01877 54xxxx Telswitch Limited 4+6 F-Digit '0'
01877 55xxxx Voxbone SA 4+6 F-Digit '8'
01877 56xxxx Skycom Ltd 4+6 F-Digit '2'
01877 57xxxx Starcomm Ltd 4+6 F-Digit '0'
01877 58xxxx Known Future Limited 4+6 F-Digit '7'
01877 59xxxx Solutios Limited 4+6 F-Digit '2'
01877 60xxxx Mars Communications Limited 4+6 F-Digit '0'
01877 61xxxx IPV6 Limited 4+6 F-Digit '0'
01877 62xxxx 3C Limited 4+6 F-Digit '2'
01877 63xxxx Cable & Wireless UK 4+6 F-Digit '6'
01877 64xxxx Telecoms World Plc 4+6 F-Digit '0'
01877 65xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01877 66xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01877 67xxxx CFL Communications Limited 4+6 F-Digit '0'
01877 68xxxx Nexus Telecommunications plc 4+6 F-Digit '0'