J1 — 15 codes dans 15 localités (Canada).
| Code postal | Localité / Quartier | Zone administrative | Coordonnées |
|---|---|---|---|
| Coaticook | Quebec | 45.1334, -71.7991 | |
| Bromptonville | Quebec | 45.4797, -71.9492 | |
| Sherbrooke Northeast | Sherbrooke · Quebec | 45.4231, -71.8723 | |
| Sherbrooke East | Sherbrooke · Quebec | 45.4024, -71.8479 | |
| Sherbrooke Central | Sherbrooke · Quebec | 45.3891, -71.8986 | |
| Sherbrooke North | Sherbrooke · Quebec | 45.4131, -71.9238 | |
| Sherbrooke West | Sherbrooke · Quebec | 45.3822, -71.9327 | |
| Sherbrooke Northwest | Sherbrooke · Quebec | 45.4113, -71.9586 | |
| Sherbrooke Southeast | Sherbrooke · Quebec | 45.3656, -71.842 | |
| Rock Forest | Quebec | 45.3395, -72.0128 | |
| Saint-Élie-d'Orford | Quebec | 45.3966, -72.0422 | |
| Windsor | Windsor · Estrie | 45.5668, -71.9991 | |
| Asbestos | Asbestos · Estrie | 45.7668, -71.9324 | |
| Magog | Magog · Estrie | 45.2668, -72.1491 | |
| Saint-Cyrille-De-Wendover | Quebec | 45.9334, -72.4324 |