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ZIP codes in Sheridan County, Montana

Sheridan County, Montana has 9 ZIP codes in this list, from 59211 to 59275. They cover 9 places, among them Antelope, Dagmar, Medicine Lake and Outlook.

ZIP codePlaceLand area (sq mi)Map point
59211Antelope10348.697, -104.453
59219Dagmar20848.609, -104.240
59247Medicine Lake13648.485, -104.438
59252Outlook18348.882, -104.742
59254Plentywood27548.779, -104.560
59256Raymond78.248.876, -104.580
59257Redstone15148.728, -104.940
59258Reserve25248.590, -104.628
59275Westby37648.859, -104.125

The ZIP code areas of Sheridan County add up to about 1,764 square miles of land (4,569 sq km) as the Census Bureau draws them. The largest is 59275 (Westby), with 376 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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