Mardela Springs, MD is a city located in Wicomico County, Maryland and has a land area of 43.86 square miles (113.60 km2). The water area for the city is 3.25 square miles or 8.42 km2. There is one unique zip code in Mardela Springs, Maryland and it is 21837. The area code(s) for Mardela Springs is 410/443.
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