Porcupine, SD is a city located in Oglala Lakota County, South Dakota and has a land area of 502.56 square miles (1,301.63 km2). The water area for the city is 0.25 square miles or 0.65 km2. There is one unique zip code in Porcupine, South Dakota and it is 57772. The area code(s) for Porcupine is 605.
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