| FSA | Type | Area Code | FSA | Type | Area Code |
|---|---|---|---|---|---|
| X0E | Central Northwest Territories | 867 | X0G | Southwestern Northwest Territories | 867 |
| X1A | Yellowknife | 867 | * X1B | Not assigned | |
| * X1C | Not assigned | * X1E | Not assigned | ||
| * X1G | Not assigned | * X1H | Not assigned | ||
| * X1J | Not assigned | * X1K | Not assigned | ||
| * X1L | Not assigned | * X1M | Not assigned | ||
| * X1N | Not assigned | * X1P | Not assigned | ||
| * X1R | Not assigned | * X1S | Not assigned | ||
| * X1T | Not assigned | * X1V | Not assigned | ||
| * X1W | Not assigned | * X1X | Not assigned | ||
| * X1Y | Not assigned | * X1Z | Not assigned | ||
| * X9A | Not assigned | * X9B | Not assigned | ||
| * X9C | Not assigned | * X9E | Not assigned | ||
| * X9G | Not assigned | * X9H | Not assigned | ||
| * X9J | Not assigned | * X9K | Not assigned | ||
| * X9L | Not assigned | * X9M | Not assigned | ||
| * X9N | Not assigned | * X9P | Not assigned | ||
| * X9R | Not assigned | * X9S | Not assigned | ||
| * X9T | Not assigned | * X9V | Not assigned | ||
| * X9W | Not assigned | * X9X | Not assigned | ||
| * X9Y | Not assigned | X9Z | Reserved |