Zip Area Code

Fairfield, Ohio

Fairfield, Ohio, in Butler County, has ZIP codes 45014 and 45018 and area code 513, with 283 as an overlay.

ZIP codes
45014, 45018
Area codes
513, 283
State
Ohio
Time zone
Eastern Time
Coordinates
39.3838, -84.5618

ZIP codes in Fairfield

ZIP codePost officeCountyArea codes
45014FairfieldButler County513, 283
45018*FairfieldButler County513, 283

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Fairfield

  • Area code 513

    In service since 1947. Shares its area with 283. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 283

    In service since April 28, 2023. Shares its area with 513. 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

Fairfield is in the Eastern Time zone.

Towns near Fairfield