Area Codes, Vietnam |
| Country | Town/City | Telephone code |
| Vietnam | Ba Ria | +84 64 |
| Vietnam | Bac Giang | +84 240 |
| Vietnam | Bac Kan | +84 281 |
| Vietnam | Bac Lieu | +84 781 |
| Vietnam | Bac Ninh | +84 241 |
| Vietnam | Bien Hoa | +84 61 |
| Vietnam | Binh Dinh | +84 56 |
| Vietnam | Binh Phuoc | +84 651 |
| Vietnam | Binh Thuan | +84 62 |
| Vietnam | Ca Mau | +84 780 |
| Vietnam | Can Tho | +84 71 |
| Vietnam | Cao Bang | +84 26 |
| Vietnam | Cuu Long | +84 70 |
| Vietnam | Dak Lak | +84 50 |
| Vietnam | Dong Nai | +84 61 |
| Vietnam | Dong Thap | +84 67 |
| Vietnam | Gia Lai | +84 59 |
| Vietnam | Ha Giang | +84 19 |
| Vietnam | Ha Nam | +84 351 |
| Vietnam | Ha Tay | +84 34 |
| Vietnam | Ha Tinh | +84 39 |
| Vietnam | Hai Duong | +84 320 |
| Vietnam | Hai Phong | +84 31 |
| Vietnam | Haiphong | +84 31 |
| Vietnam | Hanoi | +84 4 |
| Vietnam | Hanoi City | +84 4 |
| Vietnam | Ho Chi Minh | +84 8 |
| Vietnam | Ho Chi Minh City | +84 8 |
| Vietnam | Ho Chi Minh City City Formerl | +84 8 |
| Vietnam | Ho Chi Minh City Saigon | +84 8 |
| Vietnam | Hoa Binh | +84 18 |
| Vietnam | Hue | +84 54 |
| Vietnam | Hung Yen | +84 321 |
| Vietnam | Khanh Hoa | +84 58 |
| Vietnam | Kien Giang | +84 77 |
| Vietnam | Kon Tum | +84 60 |
| Vietnam | Lai Chau | +84 23 |
| Vietnam | Lang Son | +84 25 |
| Vietnam | Lao Cai | +84 20 |
| Vietnam | Long An | +84 72 |
| Vietnam | Long Xuyen | +84 76 |
| Vietnam | Minh Hai | +84 78 |
| Vietnam | Nam Dinh | +84 350 |
| Vietnam | Nghe An | +84 38 |
| Vietnam | Nha Trang | +84 58 |
| Vietnam | Nin Thuan | +84 68 |
| Vietnam | Ninh Binh | +84 30 |
| Vietnam | Phan Thiet | +84 62 |
| Vietnam | Phu Tho | +84 210 |
| Vietnam | Phu Yen | +84 57 |
| Vietnam | Quang Binh | +84 52 |
| Vietnam | Quang Nam | +84 510 |
| Vietnam | Quang Ngai | +84 55 |
| Vietnam | Quang Tri | +84 53 |
| Vietnam | Quant Ninh | +84 33 |
| Vietnam | Qui Nhon | +84 56 |
| Vietnam | Saigon | +84 8 |
| Vietnam | Soc Trang | +84 79 |
| Vietnam | Son La | +84 22 |
| Vietnam | Tay Ninh | +84 66 |
| Vietnam | Thai Binh | +84 36 |
| Vietnam | Thai Nguyen | +84 280 |
| Vietnam | Thanh Hoa | +84 37 |
| Vietnam | Thua Thien Hue | +84 54 |
| Vietnam | Thuan Lam Dong | +84 63 |
| Vietnam | Tien Giang | +84 73 |
| Vietnam | Tra Vinh | +84 74 |
| Vietnam | Tuyen Quang | +84 27 |
| Vietnam | Vinh Long | +84 70 |
| Vietnam | Vinh Phu | +84 211 |
| Vietnam | Vung Tàu | +84 64 |
| Vietnam | Yen Bai | +84 29 |