A
+28 Attapeu
+28
B
+28 Bokeo Province
+28
+30 Bolikhamsai Province
+30
C
+26 Champasak Province
+26
H
+23 Houaphanh Province
+23
K
+26 Khammouane Province
+26
L
+25 Luang Namtha
+25
+25 Luang Phrabang
+25
O
+25 Oudomxay Province
+25
P
+23 Phongsaly
+23
S
+27 Sainyabuli
+27
+29 Salavan
+29
S
+28 Savannakhet
+28
+26 Sekong
+26
V
+28 Vientiane (airport)
+28
+29 Vientiane Province
+29
X
+21 Xiangkhouang Province
+21