About ZIP Code 20678

ZIP code 20678 is assigned to Prince Frederick, Calvert County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 12,752 with a density of 109.7 people per square mile.

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Location Details

ZIP Code20678
CityPrince Frederick
CountyCalvert County
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude38.5216
Longitude-76.6007
ZIP TypeStandard ZIP

Post Office

Address35 DUKE ST
CityPRINCE FREDERICK
StateMD

Nearby ZIP Codes in Maryland

Frequently Asked Questions

What city is ZIP code 20678 in?

ZIP code 20678 is in Prince Frederick, Calvert County, Maryland, United States.

What county is ZIP code 20678 in?

ZIP code 20678 is in Calvert County, Maryland.

What timezone is ZIP code 20678 in?

ZIP code 20678 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 20678?

The estimated population of ZIP code 20678 is 12,752 people with a density of 109.7 people per square mile.

What state is ZIP code 20678 in?

ZIP code 20678 is in Maryland (MD), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.