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571 Area Code

Area code 571 serves Arlington, Alexandria, Dale City, Centreville, Reston and nearby communities in Virginia. It has been in service since March 1, 2000, when it was split from 703.

StateVirginia
Time zoneEastern
Local time now…
Prefixes in use635
Overlay with703
Projected to run out2031 ⚠︎
ArlingtonAlexandriaDale CityCentrevilleRestonMcLeanLeesburgAshburnLake RidgeManassasWoodbridgeBurkeLinton HallAnnandaleOaktonFair OaksSouth RidingSterlingSpringfieldWest Falls ChurchTysonsFairfaxHerndonBailey's CrossroadsBrambletonChantillyCherry HillWest SpringfieldLeesylvaniaMcNairMontclairLortonWoodlawnRose HillMerrifieldBuckhallLincolniaFranklin FarmSudleyFranconiaGainesvilleHybla ValleyIdylwoodBurke CentreKingstowneViennaManassas ParkFort HuntStone RidgeWolf TrapFalls ChurchGreat FallsBroadlandsNewingtonGrovetonKings Park WestHuntingtonMount VernonSugarland RunLansdowneCascadesNewington ForestFairfax StationWakefieldDranesvilleTriangleLowes IslandLake BarcroftYorkshireLoudoun Valley EstatesIndependent HillDifficult RunWoodburnGeorge MasonBelmontCountrysideSeven CornersPurcellvilleDunn LoringFair LakesArlingtonDale CityCentrevilleLeesburg
Cities and towns served by area code 571

Who issues 571 numbers

Mobile 42%VoIP and cable 34%Landline 24%

Share of the 635 prefixes (the three digits after 571) assigned to each type of carrier. Classification by carrier name, approximate.

CarrierPrefixes
T-Mobile101
AT&T Mobility90
Verizon Wireless75
Onvoy (Sinch)67
Verizon Business (MCImetro)40
Verizon39
Metropcs29
AT&T (Teleport)27

Cities and towns in area code 571

CityPopulationOther area codes
Arlington235,463703
Alexandria160,662703
Dale City72,793703
Centreville71,885703
Reston63,542703
McLean50,232703
Leesburg49,917703
Ashburn45,551703
Lake Ridge45,007703
Manassas44,332703
Woodbridge43,443703
Burke43,336703
Linton Hall42,077703
Annandale41,982703
Oakton36,776703
Fair Oaks35,472703
South Riding34,200703
Sterling31,251703
Springfield30,894703
West Falls Church30,660703
Tysons28,022703
Fairfax26,772703
Herndon25,506703
Bailey's Crossroads25,458703
Brambleton23,999703
Chantilly23,744703
Cherry Hill23,443703
West Springfield22,905703
Leesylvania22,848703
McNair22,451703
Montclair22,295703
Lorton21,961703
Woodlawn21,828703
Rose Hill21,484703
Merrifield20,549703
Buckhall20,447703
Lincolnia19,913703
Franklin Farm18,509703
Sudley18,420703
Franconia18,141703

Showing the 40 largest of 80 places with 5,000+ residents.

Got a call from 571?

A 571 number was originally issued in Virginia, but that does not prove the caller is there. 34% of 571 prefixes belong to VoIP and cable providers, whose numbers can be bought online and used from anywhere. Caller ID can also be spoofed, so treat urgent requests for money, codes or passwords from any area code with suspicion, and call back on a number you already know.

All 635 prefixes in area code 571

Format: (571) XXX-YYYY. Carrier is the company the block was originally assigned to; numbers may since have been ported to another carrier.

Questions about area code 571

Where is area code 571?
Area code 571 is in Virginia. It covers Arlington, Alexandria, Dale City, Centreville, Reston, McLean and 74 more cities and towns.
What time zone is area code 571?
Area code 571 is in the Eastern time zone.
Is 571 a toll-free number?
No. 571 is a geographic area code in Virginia. Toll-free numbers in the US start with 800, 833, 844, 855, 866, 877 or 888.
Why does 571 share its area with 703?
571 and 703 form an overlay: they cover the same territory, so new numbers there can get any of these codes, and local calls need all 10 digits.
Will area code 571 run out of numbers?
NANPA's latest forecast projects the 571/703 overlay to exhaust in the first quarter of 2031. Before that happens, a new area code is usually added as an overlay; existing numbers keep their code.

Other area codes in Virginia