Zip Area Code

Alden, Illinois

Alden, Illinois, in McHenry County, has ZIP code 60001 and area code 815, with 779 as an overlay.

ZIP code
60001
Area codes
815, 779
Time zone
Central Time
Coordinates
42.3248, -88.4525

ZIP codes in Alden

ZIP codePost officeCountyArea codes
60001*AldenMcHenry County815, 779

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Alden

  • Area code 815

    In service since 1947. Shares its area with 779. Local calls are dialed with 1 plus ten digits.

  • Area code 779

    In service since March 17, 2007. Shares its area with 815. Local calls are dialed with 1 plus ten digits.

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

Alden is in the Central Time zone.

Towns near Alden