J1M 1S4 is Canadian Postal Code located in Lennoxville Quebec.
| Postal Code | J1M 1S4 |
| Forward Sortation Area | J1M |
| Name | Lennoxville |
| Province | Quebec |
| Administrative Division | La Région-Sherbrookoise Regional County Municipality |
| City | Sherbrooke |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 819 / 873 |