United Kingdom

Number Code Allocated To Number Length Notes
01397 20xxxx Nationwide Telephone Assistance Ltd 4+6 F-Digit '0'
01397 21xxxx VoIP-Un Limited 4+6 F-Digit '0'
01397 22xxxx Net-Work Internet Ltd 4+6 F-Digit '2'
01397 23xxxx Timico Limited 4+6 F-Digit '8'
01397 24xxxx O-Bit Telecom Limited 4+6 F-Digit '7'
01397 25xxxx Telswitch Limited 4+6 F-Digit '0'
01397 26xxxx Telecom2 Ltd 4+6 F-Digit '6'
01397 27xxxx 3C Limited 4+6 F-Digit '2'
01397 28xxxx Voxbone SA 4+6 F-Digit '8'
01397 29xxxx Solutios Limited 4+6 F-Digit '2'
01397 30xxxx Inclarity plc 4+6 F-Digit '2'
01397 31xxxx Telephony Services Limited 4+6 F-Digit '3'
01397 32xxxx T.T.N.C. Limited 4+6 F-Digit '1,2,3'
01397 33xxxx Citrus Telecommunications Ltd 4+6 F-Digit '2'
01397 34xxxx Danemere Street Creative 4+6
01397 35xxxx Freshtel UK Limited 4+6 F-Digit '0'
01397 36xxxx Known Future Limited 4+6 F-Digit '6'
01397 37xxxx TELSTRA EUROPE LIMITED 4+6 F-Digit '4'
01397 38xxxx Localphone Limited 4+6 F-Digit '0'
01397 39xxxx Resilient Networks Plc 4+6 F-Digit '9'
01397 40xxxx IPV6 Limited 4+6 F-Digit '0'
01397 41xxxx Instant Telecommunications Ltd 4+6 F-Digit '0'
01397 42xxxx Mars Communications Limited 4+6 F-Digit '0'
01397 43xxxx Cable & Wireless UK 4+6 F-Digit '6'
01397 44xxxx Nexus Telecommunications plc 4+6 F-Digit '0'
01397 45xxxx Mundio Mobile Limited 4+6 F-Digit '6'
01397 46xxxx CFL Communications Limited 4+6 F-Digit '0'
01397 47xxxx INET Telecoms Ltd (Voipfone) 4+6 F-Digit '0'
01397 48xxxx Known Communications Limited 4+6 F-Digit '0'
01397 49xxxx TeleWare PLC 4+6 F-Digit '3'
01397 60xxxx Gamma Telecom Holdings Ltd 4+6
01397 61xxxx LogicStar Limited 4+6
01397 62xxxx Skycom Ltd 4+6
01397 63xxxx TelNG Limited 4+6 F-Digit '2'
01397 64xxxx Coralbridge Ltd 4+6 F-Digit '0'
01397 65xxxx Virgin Media Limited 4+6
01397 66xxxx Net Solutions Europe Limited 4+6 F-Digit '6'
01397 67xxxx Syntec UK Ltd 4+6 F-Digit '2'
01397 68xxxx C3 Europe Limited 4+6 F-Digit '7'
01397 69xxxx Opal Telecom Limited 4+6 F-Digit '8'
01397 70xxxx BT 4+6
01397 70xxxx NSFWM BT, Fort William (Highland) 4+6
01397 712xxx NSSPB BT, Spean Bridge (Highland) 4+6
01397 713xxx NSSPB BT, Spean Bridge (Highland) 4+6
01397 715xxx NSFWM BT, Fort William (Highland) 4+6
01397 71xxxx BT 4+6
01397 72xxxx BT 4+6
01397 72xxxx NSKLL BT, Kinlocheil (Highland) 4+6
01397 73xxxx BT 4+6
01397 73xxxx NSTUL BT, Tulloch (Highland) 4+6
01397 74xxxx Magrathea Telecommunications Limited 4+6
01397 75xxxx Orange Home UK Plc 4+6 F-Digit '0'
01397 76xxxx TG Support Limited 4+6
01397 77xxxx BT 4+6
01397 77xxxx NSCPC BT, Corpach (Highland) 4+6
01397 78xxxx Edge Telecom Ltd 4+6
01397 79xxxx Thus Plc 4+6
01397 87xxxx Thus Plc 4+6
01397 902xxx NSFWM BT, Fort William (Highland) 4+6
01397 903xxx NSCPC BT, Corpach (Highland) 4+6
01397 90xxxx BT 4+6
01397 91xxxx TG Support Limited 4+6
01397 92xxxx Teledesign plc 4+6 F-Digit '2'
01397 93xxxx Frontier Systems Ltd 4+6 F-Digit '3'
01397 94xxxx InTechnology Plc 4+6 F-Digit '2'
01397 95xxxx Colloquium Ltd 4+6
01397 96xxxx Starcomm Ltd 4+6 F-Digit '0'
01397 97xxxx FleXtel Limited 4+6
01397 98xxxx Spitfire Network Services Ltd 4+6 F-Digit '7'