Gwynedd Valley, PA is a city located in Montgomery County, Pennsylvania and has a land area of 1.16 square miles (3.00 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Gwynedd Valley, Pennsylvania and it is 19437. The area code(s) for Gwynedd Valley is 215/267/445.
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