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ZIP Code 21770

Monrovia, Maryland, United States

Standard ZIP Eastern Time (ET)
8,751
Population
295.1
Per sq mile
Frederick
County

About ZIP Code 21770

ZIP code 21770 is assigned to Monrovia, Frederick County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 8,751 with a density of 295.1 people per square mile.

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Location Details

ZIP Code21770
CityMonrovia
CountyFrederick County
StateMaryland
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude39.3524
Longitude-77.2579
ZIP TypeStandard ZIP

Post Office

Address4411 GREEN VALLEY RD
CityMONROVIA
StateMD

Nearby ZIP Codes in Maryland

21754
Ijamsville
21774
New Market
20872
Damascus
20871
Clarksburg
21704
Frederick
21762
Libertytown

Frequently Asked Questions

What city is ZIP code 21770 in?

ZIP code 21770 is in Monrovia, Frederick County, Maryland, United States.

What county is ZIP code 21770 in?

ZIP code 21770 is in Frederick County, Maryland.

What timezone is ZIP code 21770 in?

ZIP code 21770 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 21770?

The estimated population of ZIP code 21770 is 8,751 people with a density of 295.1 people per square mile.

What state is ZIP code 21770 in?

ZIP code 21770 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.