Potosi Zip Codes - Washington County MO

Potosi, MO Zip Code Map

Potosi, MO is a city located in Washington County, Missouri and has a land area of 287.67 square miles (745.06 km2). The water area for the city is 1.01 square miles or 2.62 km2. There is one unique zip code in Potosi, Missouri and it is 63664. The area code(s) for Potosi is 573.

Zip Codes for Potosi, MO (1)
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63664 Potosi Washington

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