What County Is 21778 In?

ZIP 21778 is located in

Frederick County

Rocky Ridge, Maryland (MD)

39.62°N, 77.33°W · FIPS 24021

Frederick County — ZIP 21778

ZIP 21778 highlighted in Frederick County, Maryland. Click neighboring ZIPs to explore.

ZIP Code Details

ZIP Code21778
CountyFrederick County
CityRocky Ridge
StateMaryland (MD)
FIPS Code24021

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Nearby ZIP Codes

21775 , MD Frederick County 21776 New Windsor, MD Carroll County 21777 Point Of Rocks, MD Frederick County 21779 Rohrersville, MD Washington County 21780 Sabillasville, MD Frederick County 21781 , MD Washington County

Frequently Asked Questions

What county is ZIP code 21778 in?

ZIP code 21778 is located in Frederick County, Maryland (MD).

What city is ZIP code 21778 in?

ZIP code 21778 is primarily associated with Rocky Ridge, Maryland.

What state is ZIP code 21778 in?

ZIP code 21778 is in the state of Maryland (MD).