| Locality | Postal Code |
|---|---|
| Ascot | SL5 |
| Bisham | SL7 |
| Bray | SL6 |
| Burchetts Green | SL6 |
| Cockpole Green | RG10 8NE, RG10 8NJ, RG10 … |
| Cookham | SL6 |
| Cookham Dean | SL6 9PQ |
| Datchet | SL3 |
| Eton | SL4 |
| Eton College | SL4 |
| Eton Wick | SL4 |
| Fifield | SL6 |
| Holyport | SL6 |
| Horton | SL3 |
| Hurley | SL6 |
| Knowl Hill | RG10 |
| Littlewick Green | SL6 |
| Maidenhead | SL6 |
| North Ascot | SL5 8JY |
| Oakley Green | SL4 |
| Old Windsor | SL4 |
| Paley Street | SL6 |
| Rosehill | RG9 |
| Shurlock Row | RG10 |
| South Ascot | SL5 9DQ, SL5 9ET |
| Sunningdale | SL5 |