- A for Anglia
- B for Birmingham
- C for Cymru (Wales)
- D for Deeside to Shrewsbury
- E for Essex
- F for Forest & Fens (East Midlands)
- G for Garden of England (Kent & Sussex)
- H for Hampshire & Dorset & the Isle of Wight
- K for No Region
- L for London
- M for Manchester & Merseyside
- N for North
- O for Oxford
- P for Preston
- R for Reading
- S for Scotland
- V for Severn Valley
- W for West of England
- X for Temporary Export Plates
- Y for Yorkshire