Hai Phong Area Codes, Vietnam |
| Country | Town/City | Area Code |
| Vietnam | Hai Phong | +84 31 |
Area Codes of Vietnam Cities
- Area Code of Ba Ria
- Area Code of Bac Giang
- Area Code of Bac Kan
- Area Code of Bac Lieu
- Area Code of Bac Ninh
- Area Code of Bien Hoa
- Area Code of Binh Dinh
- Area Code of Binh Phuoc
- Area Code of Binh Thuan
- Area Code of Ca Mau
- Area Code of Can Tho
- Area Code of Cao Bang
- Area Code of Cuu Long
- Area Code of Dak Lak
- Area Code of Dong Nai
- Area Code of Dong Thap
- Area Code of Gia Lai
- Area Code of Ha Giang
- Area Code of Ha Nam
- Area Code of Ha Tay
- Area Code of Ha Tinh
- Area Code of Hai Duong
- Area Code of Hai Phong
- Area Code of Haiphong
- Area Code of Hanoi
- Area Code of Hanoi City
- Area Code of Ho Chi Minh
- Area Code of Ho Chi Minh City
- Area Code of Ho Chi Minh City Saigon
- Area Code of Ho Chi Minh City City formerl
- Area Code of Hoa Binh
- Area Code of Hue
- Area Code of Hung Yen
- Area Code of Khanh Hoa
- Area Code of Kien Giang
- Area Code of Kon Tum
- Area Code of Lai Chau
- Area Code of Lang Son
- Area Code of Lao Cai
- Area Code of Long An
- Area Code of Long Xuyen
- Area Code of Minh Hai
- Area Code of Nam Dinh
- Area Code of Nghe An
- Area Code of Nha Trang
- Area Code of Nin Thuan
- Area Code of Ninh Binh
- Area Code of Phan Thiet
- Area Code of Phu Tho
- Area Code of Phu Yen
- Area Code of Quang Binh
- Area Code of Quang Nam
- Area Code of Quang Ngai
- Area Code of Quang Tri
- Area Code of Quant Ninh
- Area Code of Qui Nhon
- Area Code of Saigon
- Area Code of Soc Trang
- Area Code of Son La
- Area Code of Tay Ninh