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ZIP Codes in Winneshiek County with Associated Cities & Towns

Calmar   52132
Castalia   52133
Decorah   52101
 Festina   52144
Fort Atkinson   52144
Highlandville   52149
 Ossian   52161
Ridgeway   52165
Spillville   52168

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.