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ZIP Code 20878

Gaithersburg, Maryland, United States

Standard ZIP Eastern Time (ET)
66,115
Population
1,248.3
Per sq mile
Montgomery
County

About ZIP Code 20878

ZIP code 20878 is assigned to Gaithersburg, Montgomery County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 66,115 with a density of 1,248.3 people per square mile.

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Location Details

ZIP Code20878
CityGaithersburg
CountyMontgomery County
StateMaryland
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude39.1138
Longitude-77.2478
ZIP TypeStandard ZIP

Post Office

Address23 FIRSTFIELD RD
CityGAITHERSBURG
StateMD

Nearby ZIP Codes in Maryland

20899
Gaithersburg
20874
Germantown
20877
Gaithersburg
20850
Rockville
20880
Washington Grove
20854
Potomac

Frequently Asked Questions

What city is ZIP code 20878 in?

ZIP code 20878 is in Gaithersburg, Montgomery County, Maryland, United States.

What county is ZIP code 20878 in?

ZIP code 20878 is in Montgomery County, Maryland.

What timezone is ZIP code 20878 in?

ZIP code 20878 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 20878?

The estimated population of ZIP code 20878 is 66,115 people with a density of 1,248.3 people per square mile.

What state is ZIP code 20878 in?

ZIP code 20878 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.