Zip Area Code

Cave In Rock, Illinois

Cave In Rock, Illinois, in Hardin County, has ZIP code 62919 and area code 618, with 730 as an overlay.

ZIP code
62919
Area codes
618, 730
Time zone
Central Time
Coordinates
37.4692, -88.1653

ZIP codes in Cave In Rock

ZIP codePost officeCountyArea codes
62919Cave In RockHardin County618, 730

Area codes for Cave In Rock

  • 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

Cave In Rock is in the Central Time zone.

Towns near Cave In Rock