8420|Lao Cai province
84210|Phu Tho province
84211|Vinh Phuc province
84218|Hoa Binh province
84219|Ha Giang province
8422|Son La province
84230|Dien Bien province
84231|Lai Chau province
84240|Bac Giang province
84241|Bac Ninh province
8425|Lang Son province
8426|Cao Bang province
8427|Tuyen Quang province
84280|Thai Nguyen province
84281|Bac Kan province
8429|Yen Bai province
8430|Ninh Binh province
8431|Hai Phong
84320|Hai Duong province
84321|Hung Yen province
8433|Quang Ninh province
84350|Nam Dinh province
84351|Ha Nam province
8436|Thai Binh province
8437|Thanh Hoa province
8438|Nghe An province
8439|Ha Tinh province
844|Hanoi
84500|Dak Lak province
84501|Dak Nong province
84510|Quang Nam province
84511|Da Nang
8452|Quang Binh province
8453|Quang Tri province
8454|Thua Thien-Hue province
8455|Quang Ngai province
8456|Binh Dinh province
8457|Phu Yen province
8458|Khanh Hoa province
8459|Gia Lai province
8460|Kon Tum province
8461|Dong Nai province
8462|Binh Thuan province
8463|Lam Dong province
8464|Ba Ria-Vung Tau province
84650|Binh Duong province
84651|Binh Phuoc province
8466|Tay Ninh province
8467|Dong Thap province
8468|Ninh Thuan province
8470|Vinh Long province
84710|Can Tho
84711|Hau Giang province
8472|Long An province
8473|Tien Giang province
8474|Tra Vinh province
8475|Ben Tre province
8476|An Giang province
8477|Kien Giang province
84780|Ca Mau province
84781|Bac Lieu province
8479|Soc Trang province
848|Ho Chi Minh City
