21705 Zip Code
21705 zip code is located close to the center of Maryland. 21705 zip code is part of Frederick County. 21705 zip code has 0.02 square miles of land area and has no water area. As of 2010-2014, the total 21705 zip code population is 4. On average, the public school district that covers 21705 zip code is better than the state average in quality. The 21705 zip code area code is 301.
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