United Kingdom

Number Code Allocated To Number Length Notes
01597 20xxxx Net-Work Internet Ltd 4+6 F-Digit '0'
01597 21xxxx Coralbridge Ltd 4+6 F-Digit '0'
01597 22xxxx InTechnology Plc 4+6 F-Digit '2'
01597 23xxxx VoIP-Un Limited 4+6 F-Digit '0'
01597 24xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01597 25xxxx Opal Telecom Limited 4+6 F-Digit '8'
01597 26xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01597 27xxxx Cable and Wireless (Energis) 4+6 F-Digit '1'
01597 28xxxx Telecom2 Ltd 4+6 F-Digit '6'
01597 29xxxx Timico Limited 4+6 F-Digit '8'
01597 30xxxx Telswitch Limited 4+6 F-Digit '0'
01597 31xxxx Starcomm Ltd 4+6 F-Digit '0'
01597 32xxxx 3C Limited 4+6 F-Digit '2'
01597 33xxxx Voxbone SA 4+6 F-Digit '8'
01597 34xxxx Known Future Limited 4+6 F-Digit '0'
01597 35xxxx Solutios Limited 4+6 F-Digit '2'
01597 36xxxx Mars Communications Limited 4+6 F-Digit '0'
01597 37xxxx IPV6 Limited 4+6 F-Digit '0'
01597 38xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01597 39xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01597 40xxxx Switch Services Ltd 4+6 F-Digit '0'
01597 41xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01597 42xxxx CFL Communications Limited 4+6 F-Digit '0'
01597 44xxxx Danemere Street Creative 4+6 F-Digit '2'
01597 70xxxx LogicStar Limited 4+6
01597 71xxxx Inclarity plc 4+6 F-Digit '2'
01597 72xxxx Cable & Wireless UK 4+6
01597 73xxxx Gamma Telecom Holdings Ltd 4+6
01597 74xxxx Virgin Media Limited 4+6 F-Digit '4,5'
01597 7521xx WNRAY BT, Rhayader (Powys) 4+6
01597 7522xx WNLW BT, Llandrindod Wells (Powys) 4+6
01597 753xxx WNLW BT, Llandrindod Wells (Powys) 4+6
01597 7548xx WNLW BT, Llandrindod Wells (Powys) 4+6
01597 7549xx WNRAY BT, Rhayader (Powys) 4+6
01597 75xxxx BT 4+6
01597 76xxxx FleXtel Limited 4+6
01597 77xxxx Edge Telecom Ltd 4+6
01597 78xxxx TELSTRA EUROPE LIMITED 4+6
01597 79xxxx C3 Europe Limited 4+6 F-Digit '7'
01597 80xxxx Telephony Services Limited 4+6
01597 81xxxx BT 4+6
01597 81xxxx WNRAY BT, Rhayader (Powys) 4+6
01597 82xxxx BT 4+6
01597 82xxxx WNLW BT, Llandrindod Wells (Powys) 4+6
01597 83xxxx Syntec UK Ltd 4+6
01597 84xxxx BT 4+6
01597 84xxxx WNLNO BT, Llananno (Powys) 4+6
01597 85xxxx BT 4+6
01597 85xxxx WNPEB BT, Penybont (Powys) 4+6
01597 86xxxx BT 4+6
01597 86xxxx WNNOW BT, Newbridge On Wye (Powys) 4+6
01597 87xxxx BT 4+6
01597 88xxxx Magrathea Telecommunications Limited 4+6
01597 89xxxx Freshtel UK Limited 4+6 F-Digit '7'
01597 90xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'
01597 91xxxx Orange Home UK Plc 4+6 F-Digit '0'
01597 92xxxx TelNG Limited 4+6 F-Digit '2'
01597 93xxxx Skycom Ltd 4+6 F-Digit '2'
01597 94xxxx Teledesign plc 4+6 F-Digit '2'
01597 95xxxx Localphone Limited 4+6 F-Digit '0'
01597 96xxxx T.T.N.C. Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9'
01597 97xxxx Net Solutions Europe Limited 4+6 F-Digit '7'
01597 98xxxx Global Crossing (UK) Ltd 4+6