and 
These number ranges are reserved for public and not-for-profit organisations. Over time it is hoped that the general public will realise the type of organisation they are ringing by the first 4 digits of the phone number.
Examples of organisations already using 0300 and 0303 numbers:
- RSPCA
- Ofcom
- UK DeedPoll
- Essex Police
- The Scottish SPCA
- The Adjudicator’s Office
- Driving Standards Agency
