Missouri Gazetteer > Missouri ZIP Codes > County ZIP Codes > Oregon ZIP Codes

ZIP Codes in Oregon County with Associated Cities & Towns

Alton   65606
Couch   65690
 Koshkonong   65692
Myrtle   65778
 Thayer   65791

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.