A
+26 Attapeu
+26
B
+24 Bokeo Province
+24
+20 Bolikhamsai Province
+20
C
+25 Champasak Province
+25
H
+14 Houaphanh Province
+14
K
+21 Khammouane Province
+21
L
+17 Luang Namtha
+17
+22 Luang Phrabang
+22
O
+18 Oudomxay Province
+18
P
+13 Phongsaly
+13
S
+24 Sainyabuli
+24
+23 Salavan
+23
S
+21 Savannakhet
+21
+21 Sekong
+21
V
+19 Vientiane (airport)
+19
+24 Vientiane Province
+24
X
+14 Xiangkhouang Province
+14