Ralph Zip Codes - Harding County SD

Ralph, SD Zip Code Map

Ralph, SD is a city located in Harding County, South Dakota and has a land area of 75.62 square miles (195.86 km2). The water area for the city is 0.13 square miles or 0.34 km2. There is one unique zip code in Ralph, South Dakota and it is 57650. The area code(s) for Ralph is 605.

Zip Codes for Ralph, SD (1)
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57650 Ralph Harding

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