Districts in the RG area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| RG1 | Reading | Reading | 9 | 1,254 |
| RG2 | Reading | Reading | 6 | 1,054 |
| RG4 | Caversham | Reading | 5 | 1,000 |
| RG5 | Woodley | Wokingham | 2 | 504 |
| RG6 | Reading | Wokingham | 7 | 750 |
| RG7 | Burghfield Common | West Berkshire | 7 | 1,519 |
| RG8 | Goring | West Berkshire | 6 | 849 |
| RG9 | Henley-on-Thames | South Oxfordshire | 7 | 1,138 |
| RG10 | Twyford | Wokingham | 3 | 677 |
| RG12 | Bracknell | Bracknell Forest | 6 | 1,075 |
| RG14 | Newbury | West Berkshire | 7 | 1,298 |
| RG17 | Hungerford | West Berkshire | 5 | 661 |
| RG18 | Thatcham | West Berkshire | 4 | 543 |
| RG19 | Thatcham | West Berkshire | 5 | 493 |
| RG20 | Kingsclere | West Berkshire | 7 | 935 |
| RG21 | Basingstoke | Basingstoke and Deane | 6 | 758 |
| RG22 | Basingstoke | Basingstoke and Deane | 3 | 776 |
| RG23 | Basingstoke | Basingstoke and Deane | 2 | 421 |
| RG24 | Basingstoke | Basingstoke and Deane | 4 | 896 |
| RG25 | Overton | Basingstoke and Deane | 2 | 395 |
| RG26 | Tadley | Basingstoke and Deane | 4 | 652 |
| RG27 | Hook | Hart | 4 | 849 |
| RG28 | Whitchurch | Basingstoke and Deane | 1 | 235 |
| RG29 | Odiham | Hart | 1 | 274 |
| RG30 | Reading | Reading | 6 | 966 |
| RG31 | Reading | West Berkshire | 4 | 639 |
| RG40 | Wokingham | Wokingham | 6 | 1,013 |
| RG41 | Wokingham | Wokingham | 5 | 770 |
| RG42 | Bracknell | Bracknell Forest | 8 | 965 |
| RG45 | Crowthorne | Bracknell Forest | 2 | 457 |
Main places in the RG area
- Reading
- Basingstoke
- Bracknell
- Newbury
- Wokingham
- Caversham
- Thatcham
- Woodley
- Crowthorne
- Henley-on-Thames
- Tadley
- Hook
- Winnersh
- Twyford
- Binfield
- Burghfield Common
- Arborfield Garrison
- Hungerford
- Whitchurch
- Goring
- Hartley Wintney
- Oakley
- Shinfield
- Spencers Wood
- Overton
- Pangbourne
- Sonning Common
- Theale
- Mortimer
- Old Basing