Zip Area Code

Washington Park, Illinois

No ZIP code carries the name of Washington Park, Illinois, in St. Clair County; the nearest ZIP codes are 62203, 62204 and 62205, in area code 618, with 730 as an overlay.

Nearest ZIP
62203, 62204, 62205
Area codes
618, 730
Time zone
Central Time
Coordinates
38.6285, -90.0926

Nearest ZIP codes to Washington Park

These are the ZIP codes nearest to Washington Park, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
62203East Saint LouisSt. Clair County618, 730
62204East Saint LouisSt. Clair County618, 730
62205East Saint LouisSt. Clair County618, 730

Area codes for Washington Park

  • 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

Washington Park is in the Central Time zone.

Towns near Washington Park