Zip Area Code

Lyndon, Illinois

Lyndon, Illinois, in Whiteside County, has ZIP code 61261 and area code 815, with 779 as an overlay.

ZIP code
61261
Area codes
815, 779
Time zone
Central Time
Coordinates
41.7199, -89.9169

ZIP codes in Lyndon

ZIP codePost officeCountyArea codes
61261LyndonWhiteside County815, 779

Area codes for Lyndon

  • 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

Lyndon is in the Central Time zone.

Towns near Lyndon