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List of Zip Codes in Frederick, Maryland

Outlined below is a zip code list for Frederick. Select a zip code you are interested in to find zip code data on demographics, family, housing, education, transportation, and real estate. See the Frederick Zip Code Map.

Zip Code 21701 Population: 36,648
Zip Code 21702 Population: 37,423
Zip Code 21703 Population: 32,376
Zip Code 21704 Population: 13,407