Mc Grann, PA is a city located in Armstrong County, Pennsylvania and has a land area of 0.07 square miles (0.18 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Mc Grann, Pennsylvania and it is 16236. The area code(s) for Mc Grann is 724/412/878.
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