ZIP Code 20678 – Prince Frederick, Maryland | ZipsCode.us
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ZIP Code 20678
Prince Frederick, Maryland · Calvert
ZIP code 20678 belongs to the city of Prince Frederick in Maryland (Calvert). See all Maryland ZIP Codes.
ZIP code 20678 belongs to Prince Frederick, Maryland, in Calvert. If you are mailing a letter or package to this area, use Prince Frederick, MD 20678 in the address. On this page you will find the city and county for 20678, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 20678?
The city for ZIP code 20678 is Prince Frederick, Maryland. When you write an address in this area, the correct format is: Name, Street Address, Prince Frederick, MD 20678.
ZIP Code 20678 County and State
ZIP code 20678 is located in Calvert, Maryland. For a complete list of cities and ZIP codes across the state, see the Maryland ZIP Codes page.
Nearby ZIP Codes in Calvert
These ZIP codes are in the same county as 20678:
ZIP Code 20678 on the Map
The map below shows the approximate center of ZIP code 20678, near Prince Frederick, Maryland. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 38.5336, -76.5955). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 20678
According to public U.S. Census Bureau data, ZIP code 20678 is home to a community in Maryland. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 20678
Need the full ZIP+4 code for a specific street address in Prince Frederick? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 20678?
ZIP code 20678 is for Prince Frederick, Maryland.
What county is ZIP code 20678 in?
ZIP code 20678 is in Calvert, Maryland.
What state is ZIP code 20678 in?
ZIP code 20678 is in Maryland (MD).
How do I find the ZIP+4 for an address in 20678?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 20678?
Nearby ZIP codes include 20610 (Barstow), 20615 (Broomes Island), 20629 (Dowell), 20639 (Huntingtown), 20657 (Lusby).
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