Rocky Ridge Zip Codes - Frederick County MD

Rocky Ridge, MD Zip Code Map

Rocky Ridge, MD is a city located in Frederick County, Maryland and has a land area of 18.24 square miles (47.24 km2). The water area for the city is 0.37 square miles or 0.96 km2. There is one unique zip code in Rocky Ridge, Maryland and it is 21778. The area code(s) for Rocky Ridge is 240/301.

Zip Codes for Rocky Ridge, MD (1)
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21778 Rocky Ridge Frederick

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