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ZIP Codes in Washington County with Associated Cities & Towns

Barnes   66933
Clifton   66937
Greenleaf   66943
Haddam   66944
 Hanover   66945
Hollenberg   66946
Linn   66953
Mahaska   66955
 Morrowville   66958
Palmer   66962
Washington   66968

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.