The Area Codes of Mongolia:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Erdene | 2767 (+976 2767) |
| 2. | Erdene | 4858 (+976 4858) |
| 3. | Erdene | 5254 (+976 5254) |
| 4. | Erdenebulgan | 3865 (+976 3865) |
| 5. | Erdenebüren | 4357 (+976 4357) |
| 6. | Erdenedalai | 5955 (+976 5955) |
| 7. | Erdenekhairkhan | 4654 (+976 4654) |
| 8. | Erdenemandal | 3359 (+976 3359) |
| 9. | Erdenesant | 2768 (+976 2768) |
| 10. | Erdenet city (Bayan-Öndör sum) | 352 (+976 352) |
| 11. | Erdenetsagaan | 5153 (+976 5153) |
| 12. | Erdenetsogt (Shaigaljuut) | 4461 (+976 4461) |