Zip Area Code

Farmington, Missouri

Farmington, Missouri, in St. Francois County, has ZIP code 63640 and area code 573, with 235 as an overlay.

ZIP code
63640
Area codes
573, 235
Time zone
Central Time
Coordinates
37.7773, -90.4094

ZIP codes in Farmington

ZIP codePost officeCountyArea codes
63640FarmingtonSt. Francois County573, 235

Area codes for Farmington

  • Area code 573

    In service since January 7, 1996. Shares its area with 235. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 235

    In service since March 24, 2024. Shares its area with 573. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

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

Farmington is in the Central Time zone.

Towns near Farmington