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Thunder Bay Postcodes — Ontario (ON)
| Location | City/District | States or Territories | States or Territories Abbrieviation | Postcode |
|---|---|---|---|---|
| Thunder Bay Northeast | Thunder Bay | Ontario | ON | P7A |
| Thunder Bay North Central | Thunder Bay | Ontario | ON | P7B |
| Thunder Bay Central | Thunder Bay | Ontario | ON | P7C |
| Thunder Bay South Central | Thunder Bay | Ontario | ON | P7E |
| Thunder Bay North | Thunder Bay | Ontario | ON | P7G |
| Thunder Bay South | Thunder Bay | Ontario | ON | P7J |
| Thunder Bay West | Thunder Bay | Ontario | ON | P7K |
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