| Locality | Post Code |
|---|---|
| Cochrane, Cochrane | P0L 1C0, P0L 0A4 |
| Connaught, Cochrane | P0N |
| Constance Lake, Cochrane | P0L 0A5, P0L 1B0 |
| Driftwood, Cochrane | P0L 1E0 |
| Fauquier, Cochrane | P0L 0B6, P0L 1G0 |
| Fort Albany, Cochrane | P0L 1H0, P0L 0B2 |
| Frederickhouse, Cochrane | P0L 1K0 |
| Hallebourg, Cochrane | P0L 1L0 |
| Harty, Cochrane | P0L 1M0 |
| Hearst, Cochrane | P0L |
| Holtyre, Cochrane | P0K 1C0 |
| Hunta, Cochrane | P0L 1P0 |
| Iroquois Falls, Cochrane | P0K |
| Iroquois Falls A, Cochrane | P0K 0A1, P0K 1G0 |
| Jogues, Cochrane | P0L 1R0 |
| Kapuskasing, Cochrane | P5N |
| Matheson, Cochrane | P0K |
| Mattice, Cochrane | P0L 1T0, P0L 0B1 |
| Monteith, Cochrane | P0K 1P0, P0K 0B1 |
| Moonbeam, Cochrane | P0L |
| Moose Factory, Cochrane | P0L 0A2, P0L 1W0 |
| Moosonee, Cochrane | P0L 0B5, P0L 1Y0 |
| Oba, Cochrane | P0L 2P0, P0M 2P0 |
| Opasatika, Cochrane | P0L 1Z0, P0L 0A9 |
| Porcupine, Cochrane | P0N |
| Porquis Junction, Cochrane | P0N 1E0 |