Area Code 571
Virginia
Area code 571 serves Virginia, primarily Arlington, in the Eastern Time (ET) time zone. It is an overlay area code sharing territory with area code 703.
Overlay Area Code
This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.
This area code shares its geographic region with: area code 703 (Arlington).
In service since: 01-Mar-2000
Demographics & Economics
- Total Population
- 3,347,168
- Population Density
- 111 people/sq miabove U.S. average (U.S.: 93 people/sq mi)
- Median Household Income
- $82,931above U.S. median (U.S.: $75,144)
- Poverty Rate
- 10.7%near U.S. average (U.S.: 11.5%)
- Unemployment Rate
- 3.8%near U.S. average (U.S.: 3.6%)
- Education Attainment
- Bachelor's Degree+32.6%near U.S. average (U.S.: 33.7%)High School or Lower34.3%
Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.
See how this area code compares to all US area codes in the Statistics dashboard.
Time Zone
- Eastern Time (ET)
NANPA Relief Status
According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.
Source: NANPA NPA Relief Planning Reports · See all relief planning statuses
Current Time
Prefix Utilization
Geographic Coverage
State
VA
Major Cities
- Arlington
- Alexandria
- Dale City
- Centreville
- Reston
- McLean
- Leesburg
- Ashburn
- Lake Ridge
- Woodbridge
- Burke
- Manassas
- Linton Hall
- Annandale
- Oakton
- Fair Oaks
- South Riding
- Sterling
- Springfield
- West Falls Church
- Tysons
- Bailey's Crossroads
- Herndon
- Fairfax
and 100 more cities
History
Area code 571 serves as an overlay for the same territory as area code 703. It was introduced in 2000 to provide additional phone number capacity for the region. It shares its territory with area code area code 703.
Demographics
The estimated population served by area code 571 is approximately 3,347,168. The population density is 111 people per square mile, which is higher than the national average of 93. The median household income is $82,931, which is higher than the national median of $75,144. Approximately 32.6% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is near the national average. The poverty rate stands at 10.7%, which is near the national rate of 11.5%.
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 571).
| County | Population | Share |
|---|---|---|
| Fairfax, VA | 1,334,636 | 42.7% |
| Prince William, VA | 539,102 | 17.3% |
| Loudoun, VA | 438,213 | 14.0% |
| Arlington, VA | 267,273 | 8.6% |
| Alexandria city, VA | 200,485 | 6.4% |
| Fairfax city, VA | 126,613 | 4.1% |
| Falls Church city, VA | 92,407 | 3.0% |
| Manassas city, VA | 49,452 | 1.6% |
| Fauquier, VA | 38,824 | 1.2% |
| Manassas Park city, VA | 38,153 | 1.2% |
Area Code 571 Family Tree
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Area code 571 was originally assigned in 01-Mar-2000 to serve VA.
Call Context
This area code serves a major metropolitan region with high population density in VA. The primary city is Arlington.
Nearby Area Codes
Area codes geographically closest to 571.
Other Area Codes in Virginia
Area codes that also serve Virginia, linked for easy comparison.