A
+30 Attapeu
+30
B
+29 Bokeo Province
+29
+28 Bolikhamsai Province
+28
C
+30 Champasak Province
+30
H
+23 Houaphanh Province
+23
K
+28 Khammouane Province
+28
L
+26 Luang Namtha
+26
+30 Luang Phrabang
+30
O
+26 Oudomxay Province
+26
P
+23 Phongsaly
+23
S
+29 Sainyabuli
+29
+29 Salavan
+29
S
+30 Savannakhet
+30
+30 Sekong
+30
V
+30 Vientiane (airport)
+30
+30 Vientiane Province
+30
X
+22 Xiangkhouang Province
+22