United Kingdom

Number Code Allocated To Number Length Notes
01556 20xxxx TelNG Limited 4+6 F-Digit '2'
01556 21xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01556 22xxxx InTechnology Plc 4+6 F-Digit '2'
01556 23xxxx VoIP-Un Limited 4+6 F-Digit '0'
01556 24xxxx Teledesign plc 4+6 F-Digit '2'
01556 25xxxx Telephony Services Limited 4+6 F-Digit '2'
01556 26xxxx Localphone Limited 4+6 F-Digit '0'
01556 27xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01556 28xxxx Opal Telecom Limited 4+6 F-Digit '8'
01556 29xxxx Telecom2 Ltd 4+6 F-Digit '6'
01556 30xxxx Timico Limited 4+6 F-Digit '8'
01556 31xxxx Telswitch Limited 4+6 F-Digit '0'
01556 32xxxx Thus Plc 4+6 F-Digit '3'
01556 33xxxx Net-Work Internet Ltd 4+6 F-Digit '3'
01556 34xxxx Starcomm Ltd 4+6 F-Digit '0'
01556 35xxxx Voxbone SA 4+6 F-Digit '8'
01556 36xxxx 3C Limited 4+6 F-Digit '2'
01556 37xxxx Solutios Limited 4+6 F-Digit '2'
01556 38xxxx Mars Communications Limited 4+6 F-Digit '0'
01556 39xxxx IPV6 Limited 4+6 F-Digit '0'
01556 40xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01556 41xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01556 42xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01556 43xxxx CFL Communications Limited 4+6 F-Digit '0'
01556 44xxxx Known Communications Limited 4+6 F-Digit '0'
01556 46xxxx Danemere Street Creative 4+6 F-Digit '2'
01556 50xxxx BT 4+6
01556 51xxxx Gamma Telecom Holdings Ltd 4+6
01556 52xxxx BT 4+6
01556 53xxxx LogicStar Limited 4+6
01556 54xxxx Freshtel UK Limited 4+6 F-Digit '0'
01556 55xxxx Known Future Limited 4+6 F-Digit '5'
01556 56xxxx Magrathea Telecommunications Limited 4+6
01556 57xxxx FleXtel Limited 4+6
01556 58xxxx Syntec UK Ltd 4+6
01556 59xxxx C3 Europe Limited 4+6 F-Digit '6'
01556 60xxxx BT 4+6
01556 61xxxx BT 4+6
01556 62xxxx BT 4+6
01556 63xxxx BT 4+6
01556 64xxxx BT 4+6
01556 65xxxx BT 4+6
01556 66xxxx BT 4+6
01556 67xxxx BT 4+6
01556 68xxxx BT 4+6
01556 69xxxx BT 4+6
01556 70xxxx Inclarity plc 4+6
01556 71xxxx Virgin Media Limited 4+6
01556 72xxxx Orange Home UK Plc 4+6 F-Digit '0'
01556 73xxxx Coralbridge Ltd 4+6 F-Digit '0'
01556 74xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01556 75xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01556 76xxxx Colloquium Ltd 4+6 F-Digit '2'
01556 77xxxx Net Solutions Europe Limited 4+6 F-Digit '7'
01556 78xxxx Skycom Ltd 4+6 F-Digit '2'
01556 79xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'