About ZIP Code 20850

ZIP code 20850 is assigned to Rockville, Montgomery County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 50,353 with a density of 1,377.1 people per square mile.

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Location Details

ZIP Code20850
CityRockville
CountyMontgomery County
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude39.0908
Longitude-77.1809
ZIP TypeStandard ZIP

Post Office

Address500 N WASHINGTON ST
CityROCKVILLE
StateMD

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Frequently Asked Questions

What city is ZIP code 20850 in?

ZIP code 20850 is in Rockville, Montgomery County, Maryland, United States.

What county is ZIP code 20850 in?

ZIP code 20850 is in Montgomery County, Maryland.

What timezone is ZIP code 20850 in?

ZIP code 20850 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 20850?

The estimated population of ZIP code 20850 is 50,353 people with a density of 1,377.1 people per square mile.

What state is ZIP code 20850 in?

ZIP code 20850 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.