The best reference for who owns what is Ofcom direct: http://www.ofcom.org.uk/static/numbering/index.htm For this one it would be listed at: http://www.ofcom.org.uk/static/numbering/index.htm#geog1 in: http://www.ofcom.org.uk/static/numbering/sabcde5.xls Cheers. -- Kind Regards, Gavin Henry. Managing Director. T +44 (0) 1224 279484 M +44 (0) 7930 323266 F +44 (0) 1224 824887 E ghenry at suretec.co.uk Open Source. Open Solutions(tm). http://www.suretecsystems.com/ Suretec Systems is a limited company registered in Scotland. Registered number: SC258005. Registered office: 24 Cormack Park, Rothienorman, Inverurie, Aberdeenshire, AB51 8GL. Subject to disclaimer at http://www.suretecgroup.com/disclaimer.html Do you know we have our own VoIP provider called SureVoIP? See http://www.surevoip.co.uk Did you see our API? http://www.surevoip.co.uk/api