L9M 1N1 is Canadian Postal Code located in Penetanguishene Ontario.
| Postal Code | L9M 1N1 |
| Forward Sortation Area | L9M |
| Name | Penetanguishene |
| Province | Ontario |
| Administrative Division | Simcoe County |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 249 / 705 |