Zip Area Code

Trivoli, Illinois

Trivoli, Illinois, in Peoria County, has ZIP code 61569 and area code 309, with 861 as an overlay.

ZIP code
61569
Area codes
309, 861
Time zone
Central Time
Coordinates
40.6795, -89.9135

ZIP codes in Trivoli

ZIP codePost officeCountyArea codes
61569TrivoliPeoria County309, 861

Area codes for Trivoli

  • Area code 309

    In service since 1957. Shares its area with 861. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 861

    In service since February 24, 2023. Shares its area with 309. 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

Trivoli is in the Central Time zone.

Towns near Trivoli