RG
30 districts, 23,801 postcodes
West Berkshire, Basingstoke and Deane, Wokingham, Reading, Bracknell Forest, South Oxfordshire, and others
| District | Postcodes | Local authority |
|---|---|---|
| RG1 | 1,254 | Reading |
| RG10 | 677 | Wokingham |
| RG12 | 1,076 | Bracknell Forest |
| RG14 | 1,298 | West Berkshire |
| RG17 | 663 | West Berkshire |
| RG18 | 543 | West Berkshire |
| RG19 | 492 | West Berkshire |
| RG2 | 1,050 | Reading |
| RG20 | 934 | West Berkshire |
| RG21 | 758 | Basingstoke and Deane |
| RG22 | 776 | Basingstoke and Deane |
| RG23 | 421 | Basingstoke and Deane |
| RG24 | 897 | Basingstoke and Deane |
| RG25 | 395 | Basingstoke and Deane |
| RG26 | 651 | Basingstoke and Deane |
| RG27 | 849 | Hart |
| RG28 | 235 | Basingstoke and Deane |
| RG29 | 274 | Hart |
| RG30 | 969 | Reading |
| RG31 | 639 | West Berkshire |
| RG4 | 1,000 | Reading |
| RG40 | 1,006 | Wokingham |
| RG41 | 769 | Wokingham |
| RG42 | 964 | Bracknell Forest |
| RG45 | 456 | Bracknell Forest |
| RG5 | 503 | Wokingham |
| RG6 | 752 | Wokingham |
| RG7 | 1,516 | West Berkshire |
| RG8 | 849 | West Berkshire |
| RG9 | 1,135 | South Oxfordshire |