A
+30 Attapeu
+30
B
+33 Bokeo Province
+33
+33 Bolikhamsai Province
+33
C
+28 Champasak Province
+28
H
+27 Houaphanh Province
+27
K
+24 Khammouane Province
+24
L
+26 Luang Namtha
+26
+28 Luang Phrabang
+28
O
+32 Oudomxay Province
+32
P
+27 Phongsaly
+27
S
+34 Sainyabuli
+34
+27 Salavan
+27
S
+29 Savannakhet
+29
+30 Sekong
+30
V
+26 Vientiane (airport)
+26
+32 Vientiane Province
+32
X
+26 Xiangkhouang Province
+26