United Kingdom

Number Code Allocated To Number Length Notes
028 4400xxxx TelNG Limited 2+8 F-Digit '2'
028 4401xxxx Telephony Services Limited 2+8 F-Digit '2'
028 4402xxxx O-Bit Telecom Limited 2+8 F-Digit '7'
028 4403xxxx Mars Communications Limited 2+8 F-Digit '0'
028 4404xxxx Entanet International Ltd 2+8 F-Digit '1'
028 4405xxxx Known Future Limited 2+8 F-Digit '5'
028 4406xxxx Telecoms World Plc 2+8 F-Digit '0'
028 4407xxxx Mundio Mobile Limited 2+8 F-Digit '6'
028 4408xxxx Timico Limited 2+8 F-Digit '8'
028 4409xxxx Inclarity plc 2+8 F-Digit '2'
028 4410xxxx Frontier Systems Ltd 2+8 F-Digit '3'
028 4411xxxx Orange Home UK Plc 2+8 F-Digit '0'
028 4412xxxx Solutios Limited 2+8 F-Digit '2'
028 4413xxxx 3C Limited 2+8 F-Digit '2'
028 4414xxxx Localphone Limited 2+8 F-Digit '0'
028 4415xxxx Nexus Telecommunications plc 2+8 F-Digit '0'
028 4416xxxx Instant Telecommunications Ltd 2+8 F-Digit '0'
028 4417xxxx CFL Communications Limited 2+8 F-Digit '0'
028 4418xxxx Telecom2 Ltd 2+8 F-Digit '6'
028 4419xxxx Starcomm Ltd 2+8 F-Digit '0'
028 4420xxxx Virgin Media Limited 2+8 F-Digit '4,5'
028 4421xxxx Opal Telecom Limited 2+8 F-Digit '8'
028 4422xxxx Teledesign plc 2+8 F-Digit '2'
028 4423xxxx Primus Telecommunications 2+8 F-Digit '1'
028 4424xxxx Danemere Street Creative 2+8 F-Digit '2'
028 4430xxxx VoIP-Un Limited 2+8 F-Digit '0'
028 4433xxxx Gamma Telecom Holdings Ltd 2+8
028 4437xxxx Spitfire Network Services Ltd 2+8 F-Digit '7'
028 4440xxxx FleXtel Limited 2+8
028 4443xxxx Syntec UK Ltd 2+8
028 4444xxxx Edge Telecom Ltd 2+8
028 4445xxxx IV Response Limited 2+8
028 4448xxxx Net Solutions Europe Limited 2+8
028 4451xxxx Cable & Wireless Plc 2+8
028 4454xxxx T.T.N.C. Limited 2+8 F-Digit '0,1,2,3,4,5,6,7,8,9'
028 4461xxxx BT 2+8
028 4461xxxx NIDP BT, Downpatrick (Northern Ireland) 2+8
028 4466xxxx Net-Work Internet Ltd 2+8 F-Digit '6'
028 4477xxxx Freshtel UK Limited 2+8 F-Digit '7'
028 4480xxxx Telswitch Limited 2+8 F-Digit '0'
028 4481xxxx BT 2+8
028 4481xxxx NISEA BT, Seaforde (Northern Ireland) 2+8
028 4482xxxx BT 2+8
028 4482xxxx NIKYL BT, Killyleagh (Northern Ireland) 2+8
028 44830xxx NICGR BT, Crossgar (Northern Ireland) 2+8
028 44832xxx NICGR BT, Crossgar (Northern Ireland) 2+8
028 44833xxx NICGR BT, Crossgar (Northern Ireland) 2+8
028 44838xxx NIDP BT, Downpatrick (Northern Ireland) 2+8
028 4483xxxx BT 2+8
028 4484xxxx BT 2+8
028 4484xxxx NIAR BT, Ardglass (Northern Ireland) 2+8
028 4485xxxx BT 2+8
028 4485xxxx NIBKR BT, Ballykinler (Northern Ireland) 2+8
028 4486xxxx Voxbone SA 2+8 F-Digit '8'
028 4487xxxx LogicStar Limited 2+8
028 4488xxxx BT 2+8
028 4488xxxx NISF BT, Strangford (Northern Ireland) 2+8
028 4489xxxx Magrathea Telecommunications Limited 2+8
028 4498xxxx Nationwide Telephone Assistance Ltd 2+8 F-Digit '0'
028 4499xxxx Skycom Ltd 2+8 F-Digit '2'