Zip Area Code

Lake, Illinois

No ZIP code carries the name of Lake, Illinois, in Piatt County; the nearest ZIP codes are 61936 and 61937, in area code 217, with 447 as an overlay.

Nearest ZIP
61936, 61937
Area codes
217, 447
Time zone
Central Time
Coordinates
39.7536, -88.7186

Nearest ZIP codes to Lake

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

ZIP codePost officeCountyArea codes
61936La PlacePiatt County217, 447
61937LovingtonMoultrie County217, 447

Area codes for Lake

  • Area code 217

    In service since 1947. Shares its area with 447. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 447

    In service since March 27, 2021. Shares its area with 217. 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

Lake is in the Central Time zone.

Towns near Lake