A
+26 An Giang
+26
B
+27 Ba Ria-Vung Tau
+27
+19 Bac Giang
+19
+16 Bac Kan
+16
+26 Bac Lieu
+26
+19 Bac Ninh
+19
+27 Ben Tre
+27
+25 Binh Dinh
+25
+27 Binh Duong
+27
+27 Binh Phuoc
+27
+27 Binh Thuan
+27
C
+26 Ca Mau
+26
+26 Can Tho
+26
+16 Cao Bang
+16
D
+25 Da Nang (airport)
+25
+23 Dak Lak
+23
Dak Nong
+24 Dien Bien Phu
+24
+27 Dong Nai
+27
+26 Dong Thap
+26
G
Gia Lai
H
+16 Ha Giang
+16
H
+19 Ha Nam
+19
+19 Ha Noi
+19
+19 Ha Tay
+19
+24 Ha Tinh
+24
+16 Hai Duong
+16
+16 Hai Phong
+16
+26 Hau Giang
+26
+27 Ho Chi Minh City (airport)
+27
+19 Hoa Binh
+19
+19 Hung Yen
+19
K
+25 Khanh Hoa
+25
+26 Kien Giang
+26
Kon Tum
L
+24 Lai Chau
+24
Lam Dong
+16 Lang Son
+16
+19 Lao Cai
+19
+27 Long An
+27
N
+16 Nam Dinh
+16
+24 Nghe An
+24
+16 Ninh Binh
+16
+25 Ninh Thuan
+25
P
+26 Paracel Islands
+26
+19 Phu Tho
+19
+25 Phu Yen
+25
Q
+24 Quang Binh
+24
+25 Quang Nam
+25
+25 Quang Ngai
+25
+16 Quang Ninh
+16
+24 Quang Tri
+24
S
+26 Soc Trang
+26
+23 Son La
+23
+29 Spratly Islands
+29
T
+27 Tay Ninh
+27
+16 Thai Binh
+16
+19 Thai Nguyen
+19
+16 Thanh Hoa
+16
+24 Thua Thien-Hue
+24
+27 Tien Giang
+27
+26 Tra Vinh
+26
+19 Tuyen Quang
+19
V
+26 Vinh Long
+26
+19 Vinh Phuc
+19
Y
+19 Yen Bai
+19