| Localité | Code postal |
|---|---|
| Armstrong Station, Thunder Bay | P0T 1A0, P0T 0B7 |
| Aroland, Thunder Bay | P0T 1B0 |
| Beardmore, Thunder Bay | P0T 0B9, P0T 1G0 |
| Caramat, Thunder Bay | P0T 1J0 |
| Collins, Thunder Bay | P0T, P0V |
| Dorion, Thunder Bay | P0T 1K0 |
| Fort William First Nation, Thunder Bay | P7J |
| Fowler, Thunder Bay | P7G |
| Geraldton, Thunder Bay | P0T 1M0, P0T 0C5 |
| Gorham, Thunder Bay | P7G |
| Graham, Thunder Bay | P0T 1N0 |
| Gull Bay, Thunder Bay | P0T 1P0 |
| Heron Bay, Thunder Bay | P0T 0C6, P0T 1R0 |
| Jacques, Thunder Bay | P7G |
| Jellicoe, Thunder Bay | P0T 1V0, P0T 0A7 |
| Kakabeka Falls, Thunder Bay | P0T, P7K |
| Kaministiquia, Thunder Bay | P0T |
| Kashabowie, Thunder Bay | P0T 1Y0 |
| Lac la Croix First Nation, Thunder Bay | P0T 1C1 |
| Longlac, Thunder Bay | P0T 2A0, P0T 0A2 |
| Macdiarmid, Thunder Bay | P0T 2B0 |
| Manitouwadge, Thunder Bay | P0T 0A6, P0T 2C0 |
| Marathon, Thunder Bay | P0T 0B5, P0T 2E0 |
| Mobert, Thunder Bay | P0M 2J0 |
| Murillo, Thunder Bay | P0T, P7G, P7K |
| Nakina, Thunder Bay | P0T 2H0, P0T 0B4 |