Henry County, Illinois

Henry County, Illinois, has 19 towns and 16 ZIP codes, in area code 309, with 861 as an overlay.

Towns in Henry County, A to Z

Town	ZIP codes	Area codes
Alpha	61413	309, 861
Andover	61233	309, 861
Annawan	61234	309, 861
Atkinson	61235	309, 861
Bishop Hill	61419	309, 861
Cambridge	61238	309, 861
Cleveland	nearest61236, 61239, 61241	309, 861
Colona	61241	309, 861
Galva	61434	309, 861
Geneseo	61254	309, 861
Hooppole	61258	309, 861
Kewanee	61443	309, 861
Lynn Center	61262	309, 861
Nekoma	nearest61414, 61419, 61490	309, 861
Ophiem	61468	309, 861
Orion	61273	309, 861
Osco	61274	309, 861
Swedona	nearest61262, 61281, 61468	309, 861
Woodhull	61490	309, 861

ZIP codes in Henry County

61233Andover309, 861
61234Annawan309, 861
61235Atkinson309, 861
61238Cambridge309, 861
61241Colona309, 861
61254Geneseo309, 861
61258Hooppole309, 861
61262Lynn Center309, 861
61273Orion309, 861
61274Osco309, 861
61413Alpha309, 861
61419Bishop Hill309, 861
61434Galva309, 861
61443Kewanee309, 861
61468Ophiem309, 861
61490Woodhull309, 861

Area codes in Henry County

Area code 309
In service since 1957. Shares its area with 861. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Area code 861
In service since February 24, 2023. Shares its area with 309. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Local numbers in area code 309

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