Zip Area Code

Kendall County, Illinois

Kendall County, Illinois, has 11 towns and 8 ZIP codes, in area codes 630 (overlay 331) and 815 (overlay 779).

Towns in Kendall County, A to Z

TownZIP codesArea codes
Boulder Hillnearest60506, 60538, 60543630, 331
Bristol60512630, 331
Lisbonnearest60541815, 779
Millbrook60536815, 779
Minooka60447815, 779
Montgomery60538630, 331
Newark60541815, 779
Oswego60543630, 331
Plano60545630, 331
Plattvillenearest60447815, 779
Yorkville60560630, 331

ZIP codes in Kendall County

Area codes in Kendall County

  • Area code 630

    In service since August 3, 1996. Shares its area with 331. Local calls are dialed with 1 plus ten digits.

  • Area code 331

    In service since October 7, 2007. Shares its area with 630. Local calls are dialed with 1 plus ten digits.

  • 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.