J2M 1N4 is Canadian Postal Code located in Shefford Quebec.
| Postal Code | J2M 1N4 |
| Forward Sortation Area | J2M |
| Name | Shefford |
| Province | Quebec |
| Administrative Division | La Haute-Yamaska Regional County Municipality |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 450 / 579 |