J2K 5B4 is Canadian Postal Code located in Cowansville Quebec.
| Postal Code | J2K 5B4 |
| Forward Sortation Area | J2K |
| Name | Cowansville |
| Province | Quebec |
| Administrative Division | Brome-Missisquoi Regional County Municipality |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 450 / 579 |