A
+30 Attapeu
+30
B
+23 Bokeo Province
+23
+26 Bolikhamsai Province
+26
C
+30 Champasak Province
+30
H
Houaphanh Province
K
+30 Khammouane Province
+30
L
+28 Luang Namtha
+28
+33 Luang Phrabang
+33
O
+28 Oudomxay Province
+28
P
+28 Phongsaly
+28
S
+33 Sainyabuli
+33
+30 Salavan
+30
S
+32 Savannakhet
+32
+30 Sekong
+30
V
+29 Vientiane (airport)
+29
+29 Vientiane Province
+29
X