Gann Valley Zip Codes - Buffalo County SD

Gann Valley, SD Zip Code Map

Gann Valley, SD is a city located in Buffalo County, South Dakota and has a land area of 248.01 square miles (642.34 km2). The water area for the city is 0.73 square miles or 1.89 km2. There is one unique zip code in Gann Valley, South Dakota and it is 57341. The area code(s) for Gann Valley is 605.

Zip Codes for Gann Valley, SD (1)
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57341 Gann Valley Buffalo

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