Zip Area Code

Olney, Illinois

Olney, Illinois, in Richland County, has ZIP code 62450 and area code 618, with 730 as an overlay.

ZIP code
62450
Area codes
618, 730
Time zone
Central Time
Coordinates
38.7334, -88.0809

ZIP codes in Olney

ZIP codePost officeCountyArea codes
62450OlneyRichland County618, 730

Area codes for Olney

  • Area code 618

    In service since 1947. Shares its area with 730. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 730

    In service since July 7, 2023. Shares its area with 618. 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

Olney is in the Central Time zone.

Towns near Olney