Maps and Exploration

Area codes 309 and 861

Area codes 309 and 861 are telephone area codes in the North American Numbering Plan (NANP) for the west-central part of the U.S. state of Illinois. The numbering plan area includes cities such as Bloomington, Canton, East Moline, East Peoria, Galesburg, Geneseo, Kewanee, Macomb, Minonk, Moline, Morton, Normal, Pekin, Peoria, Rock Island, Silvis, and many smaller communities in west-central Illinois. Area code 309 was created in 1957 in a split of area code 815. 861 was added to the numbering plan area on February 24, 2023, in formation of an overlay.

Also on this shelf

See also

• ▸Chautauqua, New York
• ▸Amorphophallus titanum
• ▸Colvocoresses Reef

Uncatalogued shelf

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