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