ZIP code · Prince Frederick · Maryland · United States

ZIP code 20678 — Prince Frederick

Name: Prince Frederick (20678)
Address: Maryland, 20678, US

ZIP code 20678 serves Prince Frederick, Maryland.

Postal code: 20678
Single source Value from one source, not cross-checked.
City: Prince Frederick
County: Calvert
State: Maryland
Country: United States
Coordinates: 38.5336, -76.5955 — precision precise (locality)
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Nearby localities

20610Barstow · 2.0 km
20676Port Republic · 6.8 km
20612Benedict · 7.8 km
20639Huntingtown · 8.5 km
20608Aquasco · 12 km
20685Saint Leonard · 12 km
20689Sunderland · 13 km
20615Broomes Island · 14 km
20732Chesapeake Beach · 16 km
20659Mechanicsville · 16 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page