B
+27 Bougainville
+27
C
+30 Central Province
+30
E
East New Britain
+26 Eastern Highlands
+26
F
+29 Fly
+29
G
+33 Gulf
+33
M
+33 Madang
+33
+33 Morobe
+33
N
+30 National Capital District
+30
New Ireland
O
+30 Oro
+30
S
+27 Sandaun (West Sepik)
+27