United Kingdom

Number Code Allocated To Number Length Notes
028 4200xxxx TelNG Limited 2+8 F-Digit '2'
028 4201xxxx Frontier Systems Ltd 2+8 F-Digit '3'
028 4202xxxx Syntec UK Ltd 2+8
028 4203xxxx Inclarity plc 2+8 F-Digit '2'
028 4204xxxx Telephony Services Limited 2+8 F-Digit '2'
028 4205xxxx O-Bit Telecom Limited 2+8 F-Digit '7'
028 4206xxxx Known Future Limited 2+8 F-Digit '6'
028 4207xxxx Mars Communications Limited 2+8 F-Digit '0'
028 4208xxxx Timico Limited 2+8 F-Digit '8'
028 4209xxxx Mundio Mobile Limited 2+8 F-Digit '6'
028 4210xxxx VoIP-Un Limited 2+8 F-Digit '0'
028 4211xxxx Orange Home UK Plc 2+8 F-Digit '0'
028 4212xxxx Entanet International Ltd 2+8 F-Digit '1'
028 4213xxxx Starcomm Ltd 2+8 F-Digit '0'
028 4214xxxx Voxbone SA 2+8 F-Digit '8'
028 4215xxxx Solutios Limited 2+8 F-Digit '2'
028 4216xxxx Instant Telecommunications Ltd 2+8 F-Digit '0'
028 4217xxxx Danemere Street Creative 2+8 F-Digit '2'
028 4218xxxx Telecom2 Ltd 2+8 F-Digit '6'
028 4219xxxx CFL Communications Limited 2+8 F-Digit '0'
028 4220xxxx Nexus Telecommunications plc 2+8 F-Digit '0'
028 4222xxxx Edge Telecom Ltd 2+8
028 4223xxxx Virgin Media Limited 2+8 F-Digit '4,5'
028 4224xxxx Localphone Limited 2+8 F-Digit '0'
028 4225xxxx Opal Telecom Limited 2+8 F-Digit '8'
028 4227xxxx Gamma Telecom Holdings Ltd 2+8 F-Digit '7'
028 4233xxxx Teledesign plc 2+8 F-Digit '2'
028 4237xxxx Spitfire Network Services Ltd 2+8 F-Digit '7'
028 4240xxxx Net Solutions Europe Limited 2+8
028 4242xxxx FleXtel Limited 2+8
028 4243xxxx T.T.N.C. Limited 2+8 F-Digit '0,1,2,3,4,5,6,7,8,9'
028 4244xxxx Gamma Telecom Holdings Ltd 2+8
028 4270xxxx Telswitch Limited 2+8 F-Digit '0'
028 4271xxxx 3C Limited 2+8 F-Digit '2'
028 4272xxxx BT 2+8
028 4272xxxx NIPT BT, Portaferry (Northern Ireland) 2+8
028 4273xxxx BT 2+8
028 4273xxxx NIKN BT, Kircubbin (Northern Ireland) 2+8
028 4274xxxx LogicStar Limited 2+8
028 4275xxxx BT 2+8
028 4275xxxx NIBWR BT, Ballywalter (Northern Ireland) 2+8
028 4276xxxx Telecoms World Plc 2+8 F-Digit '0'
028 4277xxxx BT 2+8
028 4277xxxx NIPVE BT, Portavogie (Northern Ireland) 2+8
028 4278xxxx BT 2+8
028 4278xxxx NIGY BT, Greyabbey (Northern Ireland) 2+8
028 4279xxxx Magrathea Telecommunications Limited 2+8
028 4284xxxx Net-Work Internet Ltd 2+8 F-Digit '2'
028 4298xxxx Nationwide Telephone Assistance Ltd 2+8 F-Digit '0'
028 4299xxxx Skycom Ltd 2+8 F-Digit '2'