List of municipality numbers of Norway
Number Municipality Period assigned
0101 Halden 1837-present
0102 Sarpsborg 1839-1991
0103 Fredrikstad 1837-1993
0104 Moss 1837-present
0105 Sarpsborg 1992-present
0106 Fredrikstad 1994-present
0111 Hvaler 1837-present
0112 Torsnes 1910-1963
0113 Borge 1837-1993
0114 Varteig 1861-1991
0115 Skjeberg 1837-1991
0116 Berg 1837-1966
0117 Idd 1837-1966
0118 Aremark 1837-present
0119 Øymark Marker 1903-1963 1964-present
0120 Rødenes 1837-1963
0121 Rømskog 1902-present
0122 Trøgstad 1837-present
0123 Spydeberg 1837-present
0124 Askim 1837-present
01 Østfold
This is a list of municipality numbers used in Norway. The numbers originate from 1946, when four-digit codes based on were assigned to each municipality. This also applied to municipalities which had ceased to exist at the time. Urban municipalities got a municipality number in which the third digit was a zero.