The Area Codes of Mongolia:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Nalaikh | 23 (+976 23) |
| 2. | Naran | 5145 (+976 5145) |
| 3. | Naranbulag | 4548 (+976 4548) |
| 4. | Nariinteel | 3251 (+976 3251) |
| 5. | Nogoonnuur, Tsagaannuur | 4248 (+976 4248) |
| 6. | Nomgon | 5348 (+976 5348) |
| 7. | Nömrög | 4651 (+976 4651) |
| 8. | Norovlin | 5655 (+976 5655) |
| 9. | Noyon | 5347 (+976 5347) |