Telecoms numbering

This section provides information about UK Telephone Numbers, and allows Communications Providers to apply for Telephone Numbers from the National Numbering Scheme. It also provides information on Numbering policy such as Number Portability, and use of 070 Telephone Numbers. There is also a free e-mail subscription list for people interested in receiving notification of updates and to the Numbering web pages and documents. Register for automatic notification of updates to numbering web pages and documents

Ofcom publishes a list of UK area codes in the National Telephone Numbering Plan (PDF). This is a PDF document - to search using Adobe Reader press Ctrl + F and type in the number to look for matching locations.