United Kingdom

Number Code Allocated To Number Length Notes
023 9300xxxx T.T.N.C. Limited 2+8 F-Digit '0,1,2,3,4,5,6,7,8,9'
023 9301xxxx Plus Telecom Limited 2+8
023 9302xxxx Skycom Ltd 2+8 F-Digit '2'
023 9303xxxx Zimo Communications Limited 2+8 F-Digit '2'
023 9304xxxx TelNG Limited 2+8 F-Digit '2'
023 9305xxxx Global One Communications Holding Ltd 2+8 F-Digit '2'
023 9306xxxx Coms.Com Ltd 2+8
023 9307xxxx Opal Telecom Limited 2+8 F-Digit '8,9'
023 9308xxxx Tiscali UK Limited 2+8 F-Digit '0'
023 9309xxxx Freshtel UK Limited 2+8 F-Digit '7'
023 9310xxxx 4Sight UK Ltd 2+8
023 9311xxxx Easynet Group Ltd 2+8 F-Digit '0'
023 9312xxxx Orange Home UK Plc 2+8 F-Digit '0'
023 9313xxxx Localphone Limited 2+8
023 9314xxxx Coralbridge Ltd 2+8 F-Digit '0'
023 9315xxxx Switch Services Ltd 2+8 F-Digit '0'
023 9316xxxx Telephony Services Limited 2+8 F-Digit '2'
023 9317xxxx Telecom2 Ltd 2+8 F-Digit '6'
023 9318xxxx Timico Limited 2+8 F-Digit '8'
023 9319xxxx INET Telecoms Ltd (Voipfone) 2+8 F-Digit '0'
023 9320xxxx VoIP-Un Limited 2+8 F-Digit '0'
023 9321xxxx Solutios Limited 2+8 F-Digit '2'
023 9322xxxx Teledesign plc 2+8 F-Digit '2'
023 9323xxxx Frontier Systems Ltd 2+8 F-Digit '3'
023 9324xxxx Invomo Ltd 2+8 F-Digit '2'
023 9325xxxx Skymarket Limited 2+8 F-Digit '2'
023 9326xxxx Orbis Telecom 2+8 F-Digit '0'
023 9327xxxx Spitfire Network Services Ltd 2+8 F-Digit '7'
023 9328xxxx IPV6 Limited 2+8 F-Digit '0'
023 9329xxxx Nexus Telecommunications plc 2+8 F-Digit '0'
023 9330xxxx Resilient Networks Plc 2+8 F-Digit '9'
023 9331xxxx Entanet International Ltd 2+8 F-Digit '1'
023 9332xxxx TWL Inbound Ltd 2+8 F-Digit '3'
023 9333xxxx Callagenix Ltd 2+8 F-Digit '0'
023 9334xxxx Starcomm Ltd 2+8 F-Digit '0'
023 9335xxxx Telecoms World Plc 2+8 F-Digit '0'
023 9336xxxx Mundio Mobile Limited 2+8 F-Digit '6'
023 9337xxxx Business Broadcast Communications Ltd 2+8 F-Digit '0'
023 9339xxxx Net-Work Internet Ltd 2+8 F-Digit '0'
023 9340xxxx Keycom plc 2+8 F-Digit '0'
023 9341xxxx Primus Telecommunications 2+8 F-Digit '1'
023 9342xxxx Wight Cable 2005 Ltd 2+8 F-Digit '2'
023 9344xxxx Mars Communications Limited 2+8 F-Digit '0'
023 9345xxxx GlobalVocal Limited 2+8 F-Digit '6'
023 9350xxxx Instant Telecommunications Ltd 2+8 F-Digit '0'
023 9351xxxx i-Net Communications Group Plc 2+8 F-Digit '0'
023 9353xxxx 3C Limited 2+8 F-Digit '2'
023 9366xxxx Telswitch Limited 2+8 F-Digit '0'
023 9373xxxx Hello Telecom (UK) PLC 2+8 F-Digit '0'
023 9383xxxx TelXL Ltd 2+8 F-Digit '8'
023 9388xxxx Voxbone SA 2+8 F-Digit '8'
023 9390xxxx Known Future Limited 2+8 F-Digit '0'
023 9393xxxx Digital Mail Limited 2+8 F-Digit '9'
023 9394xxxx CFL Communications Limited 2+8 F-Digit '0'
023 9397xxxx O-Bit Telecom Limited 2+8 F-Digit '7'
023 9399xxxx Nationwide Telephone Assistance Ltd 2+8 F-Digit '0'