| Alvinston, Lambton |
N0N |
| Arkona, Lambton |
N0M 1B0 |
| Brigden, Lambton |
N0N 1B0 |
| Bright's Grove, Lambton |
N0N |
| Camlachie, Lambton |
N0N |
| Corunna, Lambton |
N0N |
| Courtright, Lambton |
N0N |
| Florence, Lambton |
N0P 1R0 |
| Forest, Lambton |
N0N |
| Grand Bend, Lambton |
N0M |
| Inwood, Lambton |
N0N 1K0 |
| Kettle and Stony Point, Lambton |
N0N 1J1 |
| Lambton Shores, Lambton |
N0N |
| Mooretown, Lambton |
N0N 1M0 |
| Oil City, Lambton |
N0N 1N0 |
| Oil Springs, Lambton |
N0N |
| Petrolia, Lambton |
N0N |
| Plympton-Wyoming, Lambton |
N0N |
| Point Edward, Lambton |
N7T, N7V |
| Port Franks, Lambton |
N0M 2L0 |
| Port Lambton, Lambton |
N0P |
| Sarnia, Lambton |
N7S, N7T, N7V, N7W, N7X |
| Sombra, Lambton |
N0P |
| Thedford, Lambton |
N0M |
| Warwick Township, Lambton |
N0N |
| Watford, Lambton |
N0M |