United Kingdom

Number Code Allocated To Number Length Notes
028 6600xxxx TelNG Limited 2+8 F-Digit '2'
028 6601xxxx Inclarity plc 2+8 F-Digit '2'
028 6602xxxx Telephony Services Limited 2+8 F-Digit '2'
028 6603xxxx Telswitch Limited 2+8 F-Digit '0'
028 6604xxxx Telswitch Limited 2+8 F-Digit '0'
028 6605xxxx Frontier Systems Ltd 2+8 F-Digit '3'
028 6606xxxx Entanet International Ltd 2+8 F-Digit '1'
028 6607xxxx Starcomm Ltd 2+8 F-Digit '0'
028 6608xxxx Timico Limited 2+8 F-Digit '8'
028 6609xxxx Known Future Limited 2+8 F-Digit '8'
028 6610xxxx VoIP-Un Limited 2+8 F-Digit '0'
028 6611xxxx Net-Work Internet Ltd 2+8 F-Digit '1'
028 6612xxxx 3C Limited 2+8 F-Digit '2'
028 6613xxxx Solutios Limited 2+8 F-Digit '2'
028 6614xxxx Mars Communications Limited 2+8 F-Digit '0'
028 6615xxxx Instant Telecommunications Ltd 2+8 F-Digit '0'
028 6616xxxx Localphone Limited 2+8 F-Digit '0'
028 6617xxxx O-Bit Telecom Limited 2+8 F-Digit '7'
028 6618xxxx Telecom2 Ltd 2+8 F-Digit '6'
028 6619xxxx Mundio Mobile Limited 2+8 F-Digit '6'
028 6620xxxx Virgin Media Limited 2+8 F-Digit '4,5'
028 6621xxxx Orange Home UK Plc 2+8 F-Digit '0'
028 6622xxxx Opal Telecom Limited 2+8 F-Digit '8'
028 6626xxxx Danemere Street Creative 2+8 F-Digit '2'
028 6628xxxx Spitfire Network Services Ltd 2+8 F-Digit '7'
028 6630xxxx Syntec UK Ltd 2+8
028 6631xxxx Telecoms World Plc 2+8 F-Digit '0'
028 6632xxxx BT 2+8
028 6632xxxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 6633xxxx Gamma Telecom Holdings Ltd 2+8
028 66340xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66341xxx NISP BT, Springfield (Northern Ireland) 2+8
028 66342xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66343xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66344xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66345xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66346xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66348xxx NIFCT BT, Florencecourt (Northern Ireland) 2+8
028 66349xxx NIFCT BT, Florencecourt (Northern Ireland) 2+8
028 6634xxxx BT 2+8
028 6635xxxx Nexus Telecommunications plc 2+8 F-Digit '0'
028 6636xxxx LogicStar Limited 2+8
028 6637xxxx CFL Communications Limited 2+8 F-Digit '0'
028 66382xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66384xxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 66385xxx NILI BT, Lisbellaw (Northern Ireland) 2+8
028 66386xxx NIBCO BT, Belcoo (Northern Ireland) 2+8
028 66387xxx NILI BT, Lisbellaw (Northern Ireland) 2+8
028 66388xxx NIBL BT, Ballinamallard (Northern Ireland) 2+8
028 66389xxx NIBL BT, Ballinamallard (Northern Ireland) 2+8
028 6638xxxx BT 2+8
028 6639xxxx BT 2+8
028 6639xxxx NIEK BT, Enniskillen (Northern Ireland) 2+8
028 6641xxxx Cable & Wireless Plc 2+8
028 6644xxxx Magrathea Telecommunications Limited 2+8
028 6648xxxx Voxbone SA 2+8 F-Digit '8'
028 6660xxxx FleXtel Limited 2+8
028 6661xxxx Net Solutions Europe Limited 2+8
028 6666xxxx Edge Telecom Ltd 2+8
028 6667xxxx T.T.N.C. Limited 2+8 F-Digit '0,1,2,3,4,5,6,7,8,9'
028 6677xxxx Teledesign plc 2+8 F-Digit '2'
028 6686xxxx IV Response Limited 2+8
028 6698xxxx Nationwide Telephone Assistance Ltd 2+8
028 6699xxxx Skycom Ltd 2+8 F-Digit '2'