Zip Area Code

Great Falls, Virginia

Great Falls, Virginia, in Fairfax County, has ZIP code 22066 and area code 703, with 571 as an overlay.

ZIP code
22066
Area codes
703, 571
Time zone
Eastern Time
Coordinates
39.0039, -77.3083

ZIP codes in Great Falls

ZIP codePost officeCountyArea codes
22066Great FallsFairfax County703, 571

Area codes for Great Falls

  • Area code 703

    In service since 1947. Shares its area with 571. Local calls are dialed with ten digits.

  • Area code 571

    In service since March 1, 2000. Shares its area with 703. Local calls are dialed with ten digits.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Great Falls is in the Eastern Time zone.

Towns near Great Falls