X1A 3R4 is Canadian Postal Code located in Range Lake Northwest Territories.
| Postal Code | X1A 3R4 |
| Forward Sortation Area | X1A |
| Name | Range Lake |
| Province | Northwest Territories |
| Administrative Division | Fort Smith Region |
| City | Yellowknife |
| Timezone | Mountain Daylight Time (MDT) |
| Area Code(s) | 867 |