Zip Area Code

Union City, Ohio

Union City, Ohio, in Darke County, has ZIP code 45390 and area code 937, with 326 as an overlay.

ZIP code
45390
Area codes
937, 326
State
Ohio
Time zone
Eastern Time
Coordinates
40.2018, -84.7832

ZIP codes in Union City

ZIP codePost officeCountyArea codes
45390Union CityDarke County937, 326

Area codes for Union City

  • Area code 937

    In service since September 28, 1996. Shares its area with 326. Local calls are dialed with ten digits.

  • Area code 326

    In service since March 8, 2020. Shares its area with 937. 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

Union City is in the Eastern Time zone.

Towns near Union City