Guidance on telephone numbering
In this section
Geographic telephone numbers: Guidance for communications providers on the administrative arrangements for the pilot scheme to charge for geographic numbers
Publication date: 27 March 2013
Information on 116 numbers, including register of numbers available in the UK and details of the comparative selection process
For example 0800 Freephone range.
Guidance on acceptable use of 070 Telephone Numbers. Revised 24 January 2004
Number portability is a facility which enables customers to change their service provider whilst retaining their existing telephone number.
Telephone Numbers for use in TV and Radio drama programmes
Users Guide to Numbering is currently being updated and will be available shortly.
No longer published. Link to old Oftel Bulletins.
ITU-T webpage showing list of Country Codes.