Winnebago County, Illinois

Winnebago County, Illinois, has 16 towns and 28 ZIP codes, in area code 815, with 779 as an overlay.

Towns in Winnebago County, A to Z

Town	ZIP codes	Area codes
Argyle	nearest61011, 61111, 61114	815, 779
Cherry Valley	61016	815, 779
Durand	61024	815, 779
Lake Summerset	nearest61019, 61024, 61070	815, 779
Loves Park	61111, 61130, 61131, 61132	815, 779
Machesney Park	61115	815, 779
New Milford	nearest61020, 61052, 61109	815, 779
Pecatonica	61063	815, 779
Rockford	61101, 61102, 61103, 61104, 61105, 61106 and more	815, 779
Rockton	61072	815, 779
Roscoe	61073	815, 779
Seward	61077	815, 779
Shirland	61079	815, 779
South Beloit	61080	815, 779
Westlake	nearest61063, 61088	815, 779
Winnebago	61088	815, 779

ZIP codes in Winnebago County

61016Cherry Valley815, 779
61024Durand815, 779
61063Pecatonica815, 779
61072Rockton815, 779
61073Roscoe815, 779
61077Seward815, 779
61079Shirland815, 779
61080South Beloit815, 779
61088Winnebago815, 779
61101Rockford815, 779
61102Rockford815, 779
61103Rockford815, 779
61104Rockford815, 779
61105Rockford815, 779
61106Rockford815, 779
61107Rockford815, 779
61108Rockford815, 779
61109Rockford815, 779
61110Rockford815, 779
61111Loves Park815, 779
61112Rockford815, 779
61114Rockford815, 779
61115Machesney Park815, 779
61125Rockford815, 779
61126Rockford815, 779
61130Loves Park815, 779
61131Loves Park815, 779
61132Loves Park815, 779

Area codes in Winnebago County

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.

Local numbers in area code 815

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