Pen Argyl, PA is a city located in Northampton County, Pennsylvania and has a land area of 14.89 square miles (38.56 km2). The water area for the city is 0.18 square miles or 0.47 km2. There is one unique zip code in Pen Argyl, Pennsylvania and it is 18072. The area code(s) for Pen Argyl is 610/484/570.
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