Oregon County, MO Zip Codes
5 zip codes across 4 cities in Oregon County, MO
About Oregon County
Oregon County, Missouri (MO) contains 5 unique zip codes spanning 4 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Oregon County.
Cities in Oregon County
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All Zip Codes in Oregon County, MO
| Zip Code | City |
|---|---|
| 65606 | Alton |
| 65690 | Thayer |
| 65692 | Koshkonong |
| 65778 | Myrtle |
| 65791 | Thayer |
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Frequently Asked Questions
How many zip codes are in Oregon County, MO?
Oregon County, MO has 5 zip codes across 4 cities.
What cities are in Oregon County?
Cities in Oregon County include Alton, Koshkonong, Myrtle, Thayer.
What state is Oregon County in?
Oregon County is located in Missouri (MO).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.