Grantville, PA is a city located in Dauphin County, Pennsylvania and has a land area of 27.38 square miles (70.91 km2). The water area for the city is 0.14 square miles or 0.36 km2. There is one unique zip code in Grantville, Pennsylvania and it is 17028. The area code(s) for Grantville is 717.
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