| Locality | Post Code |
|---|---|
| Blenheim, Chatham-Kent | N0P |
| Bothwell, Chatham-Kent | N0P |
| Cedar Springs, Chatham-Kent | N0P 1E0 |
| Charing Cross, Chatham-Kent | N0P |
| Chatham, Chatham-Kent | N7L, N7M |
| Coatsworth Station, Chatham-Kent | N0P 1H0 |
| Croton, Chatham-Kent | N0P 1K0 |
| Dover Centre, Chatham-Kent | N0P 1L0 |
| Dresden, Chatham-Kent | N0P |
| Duart, Chatham-Kent | N0L 1H0 |
| Erieau, Chatham-Kent | N0P 1N0 |
| Grande Pointe, Chatham-Kent | N0P 1S0 |
| Highgate, Chatham-Kent | N0P |
| Kent Bridge, Chatham-Kent | N0P 1V0 |
| Merlin, Chatham-Kent | N0P |
| Morpeth, Chatham-Kent | N0P 1X0 |
| Muirkirk, Chatham-Kent | N0L 1X0 |
| North Buxton, Chatham-Kent | N0P 1Y0 |
| Pain Court, Chatham-Kent | N0P |
| Port Alma, Chatham-Kent | N0P 2A0 |
| Ridgetown, Chatham-Kent | N0P |
| Thamesville, Chatham-Kent | N0P |
| Tilbury, Chatham-Kent | N0P |
| Troy, Chatham-Kent | L0R 2B0 |
| Tupperville, Chatham-Kent | N0P 2M0 |
| Wallaceburg, Chatham-Kent | N8A |