B
+26 Bougainville
+26
C
+27 Central Province
+27
E
East New Britain
+27 Eastern Highlands
+27
F
+30 Fly
+30
G
+32 Gulf
+32
M
+32 Madang
+32
+32 Morobe
+32
N
+27 National Capital District
+27
New Ireland
O
+27 Oro
+27
S
+24 Sandaun (West Sepik)
+24