รหัสพื้นที่ของ เวียดนาม:
| เมืองหรือภูมิภาค | รหัสพื้นที่ | |
|---|---|---|
| 1. | Hà Giang | 0219 |
| 2. | Hà Nam | 0351 |
| 3. | Hà Tĩnh | 039 |
| 4. | Hải Dương | 0320 |
| 5. | Hai Phong city | 031 |
| 6. | Hanoi city | 04 |
| 7. | Hậu Giang | 0711 |
| 8. | Ho Chi Minh City | 082 |
| 9. | Ho Chi Minh City | 083 |
| 10. | Ho Chi Minh City | 084 |
| 11. | Ho Chi Minh City | 085 |
| 12. | Ho Chi Minh City | 0862 |
| 13. | Ho Chi Minh City | 0863 |
| 14. | Ho Chi Minh City | 0866 |
| 15. | Ho Chi Minh City | 0871 |
| 16. | Ho Chi Minh City | 0873 |
| 17. | Hòa Bình | 0218 |
| 18. | Hưng Yên | 0321 |