B
+28 Bougainville
+28
C
+24 Central Province
+24
E
+27 East New Britain
+27
+27 Eastern Highlands
+27
F
+27 Fly
+27
G
+32 Gulf
+32
M
+32 Madang
+32
+32 Morobe
+32
N
+24 National Capital District
+24
+27 New Ireland
+27
O
+24 Oro
+24
S
+29 Sandaun (West Sepik)
+29