About ZIP Code 20191
ZIP code 20191 is assigned to Reston, Fairfax County, Virginia, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 31,011 with a density of 1,543.7 people per square mile.
Location Details
ZIP Code20191
CityReston
CountyFairfax County
StateVirginia
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude38.9344
Longitude-77.3518
ZIP TypeStandard ZIP
Post Office
Address11110 SUNSET HILLS RD
CityRESTON
StateVA
Nearby ZIP Codes in Virginia
Frequently Asked Questions
What city is ZIP code 20191 in?
ZIP code 20191 is in Reston, Fairfax County, Virginia, United States.
What county is ZIP code 20191 in?
ZIP code 20191 is in Fairfax County, Virginia.
What timezone is ZIP code 20191 in?
ZIP code 20191 is in the Eastern Time (ET) zone (America/New_York).
What is the population of ZIP code 20191?
The estimated population of ZIP code 20191 is 31,011 people with a density of 1,543.7 people per square mile.
What state is ZIP code 20191 in?
ZIP code 20191 is in Virginia (VA), United States.
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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.