571 area code
Washington area, Eastern Time.Area code 571 covers Washington, Herndon, Leesburg and 14 more places in Virginia, on Eastern Time. 703 covers the same area.
Right now in Washington
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
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Where 571 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 571 has 17. Each one's share is how many 571 numbers start there. Its biggest metro area is Washington-Arlington-Alexandria, DC-VA-MD-WV.
- Washington49%
- Herndon12%
- Leesburg7%
- Manassas6%
- Dale City5%
- Engleside4%
- Occoquan3%
- Braddock2%
- Triangle2%
- Haymarket2%
Also: Arcola, Lorton, Dulles, Independent Hill, Nokesville, Dulles Metro, Lorton Metro
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 571 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 571 number to them, since you can't tell a work line from a personal cell.
What applies to 571Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
571 and 703
571 went into service on March 1, 2000. 571 and 703 cover the same area, so new numbers can get either code and neighbors can have different area codes. 571 holds 45% of the area's exchanges; 703 holds the most. Local calls take all 10 digits.
- 1947703 overlay
- 2000571 starts
Source: NANPA area code database
Calling a list of 571 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
571 area code FAQ
What area code is 571?
571 is a Virginia area code for Washington, Herndon, Leesburg, Manassas and 13 more places.
What time zone is the 571 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 703 the same as 571?
Same area, different code. 571 and 703 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 571 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 571 area code start?
On March 1, 2000.
Calling 571 numbers? Reach more of them.
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