| Locality | Post Code |
|---|---|
| Acton, Halton | L7J |
| Burlington, Halton | L7L, L7M, L7N, L7P, L7R, … |
| Campbellville, Halton | L0P |
| Georgetown, Halton | L7G |
| Glen Williams, Halton | L7G |
| Hornby, Halton | L0P, L9E |
| Limehouse, Halton | L0P 1H0 |
| Milton, Halton | L9E, L9T |
| Moffat, Halton | L0P 1J0 |
| Norval, Halton | L0P |
| Oakville, Halton | L6H, L6J, L6K, L6L, L6M |