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ZIP codes in Osage County, Kansas

Osage County, Kansas has 9 ZIP codes in this list, from 66413 to 66543. They cover 9 places, among them Burlingame, Carbondale, Lyndon and Melvern.

ZIP codePlaceLand area (sq mi)Map point
66413Burlingame10238.763, -95.840
66414Carbondale62.338.821, -95.687
66451Lyndon78.238.636, -95.680
66510Melvern59.538.503, -95.629
66523Osage City15338.627, -95.830
66524Overbrook13038.792, -95.562
66528Quenemo66.938.578, -95.536
66537Scranton53.038.788, -95.748
66543Vassar8.938.642, -95.601

The ZIP code areas of Osage County add up to about 714 square miles of land (1,849 sq km) as the Census Bureau draws them. The largest is 66523 (Osage City), with 153 square miles.

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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