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ZIP codes in Sanilac County, Michigan

Sanilac County, Michigan has 17 ZIP codes in this list, from 48401 to 48472. They cover 17 places, among them Applegate, Argyle, Brown City and Carsonville.

ZIP codePlaceLand area (sq mi)Map point
48401Applegate34.643.362, -82.648
48410Argyle2.043.559, -82.945
48416Brown City11443.217, -82.998
48419Carsonville77.943.426, -82.602
48422Croswell95.243.262, -82.634
48426Decker37.543.477, -83.064
48427Deckerville96.843.515, -82.719
48434Forestville0.843.663, -82.613
48450Lexington21.943.243, -82.530
48453Marlette10743.340, -83.057
48454Melvin30.243.193, -82.839
48456Minden City44.643.681, -82.730
48465Palms42.043.626, -82.702
48466Peck36.943.269, -82.819
48469Port Sanilac7.943.433, -82.547
48471Sandusky10143.406, -82.841
48472Snover73.943.489, -82.930

The ZIP code areas of Sanilac County add up to about 924 square miles of land (2,393 sq km) as the Census Bureau draws them. The largest is 48416 (Brown City), with 114 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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