United Kingdom

Number Code Allocated To Number Length Notes
028 4300xxxx Syntec UK Ltd 2+8
028 4301xxxx Inclarity plc 2+8 F-Digit '2'
028 4302xxxx TelNG Limited 2+8 F-Digit '2'
028 4303xxxx Entanet International Ltd 2+8 F-Digit '1'
028 4304xxxx Telephony Services Limited 2+8 F-Digit '2'
028 4305xxxx Frontier Systems Ltd 2+8 F-Digit '3'
028 4306xxxx Mars Communications Limited 2+8 F-Digit '0'
028 4307xxxx CFL Communications Limited 2+8 F-Digit '0'
028 4308xxxx Timico Limited 2+8 F-Digit '8'
028 4309xxxx Telecoms World Plc 2+8 F-Digit '0'
028 4310xxxx VoIP-Un Limited 2+8 F-Digit '0'
028 4311xxxx Orange Home UK Plc 2+8 F-Digit '0'
028 4312xxxx Solutios Limited 2+8 F-Digit '2'
028 4313xxxx Telswitch Limited 2+8 F-Digit '0'
028 4314xxxx 3C Limited 2+8 F-Digit '2'
028 4315xxxx Tele-Lynx (UK) Limited 2+8 F-Digit '7'
028 4316xxxx Instant Telecommunications Ltd 2+8 F-Digit '0'
028 4317xxxx Nexus Telecommunications plc 2+8 F-Digit '0'
028 4318xxxx Telecom2 Ltd 2+8 F-Digit '6'
028 4319xxxx Mundio Mobile Limited 2+8 F-Digit '6'
028 4320xxxx Virgin Media Limited 2+8 F-Digit '4,5'
028 4321xxxx Opal Telecom Limited 2+8 F-Digit '8'
028 4323xxxx Localphone Limited 2+8 F-Digit '0'
028 4327xxxx TeleWare PLC 2+8 F-Digit '1'
028 4328xxxx Teledesign plc 2+8 F-Digit '2'
028 4333xxxx Edge Telecom Ltd 2+8
028 4334xxxx Net Solutions Europe Limited 2+8
028 4335xxxx Annecto Telecom 2+8 F-Digit '2'
028 4337xxxx Spitfire Network Services Ltd 2+8 F-Digit '7'
028 4343xxxx FleXtel Limited 2+8
028 4344xxxx Gamma Telecom Holdings Ltd 2+8
028 4345xxxx Global One Communications Holding Ltd 2+8 F-Digit '2'
028 4353xxxx T.T.N.C. Limited 2+8 F-Digit '0,1,2,3,4,5,6,7,8,9'
028 4370xxxx Starcomm Ltd 2+8 F-Digit '0'
028 4371xxxx Danemere Street Creative 2+8 F-Digit '2'
028 4372xxxx BT 2+8
028 4372xxxx NINE BT, Newcastle (Northern Ireland) 2+8
028 4373xxxx Known Future Limited 2+8 F-Digit '0'
028 4374xxxx LogicStar Limited 2+8
028 4375xxxx BT 2+8
028 4375xxxx NIDR BT, Dundrum (Northern Ireland) 2+8
028 4376xxxx BT 2+8
028 4376xxxx NIAA BT, Annalong (Northern Ireland) 2+8
028 4377xxxx BT 2+8
028 4377xxxx NICW BT, Castlewellan (Northern Ireland) 2+8
028 4378xxxx Voxbone SA 2+8 F-Digit '8'
028 4379xxxx Magrathea Telecommunications Limited 2+8
028 4384xxxx Net-Work Internet Ltd 2+8 F-Digit '3'
028 4388xxxx Freshtel UK Limited 2+8 F-Digit '7'
028 4397xxxx O-Bit Telecom Limited 2+8 F-Digit '7'
028 4398xxxx Nationwide Telephone Assistance Ltd 2+8 F-Digit '0'
028 4399xxxx Skycom Ltd 2+8 F-Digit '2'