Geneseo, Illinois Area Code

Geneseo, IL Area Codes are


Geneseo, IL is officially utilizing two area codes which are area codes 309 and 861.

In addition to Geneseo, IL area code information read more about area codes 309 and 861 details and Illinois area codes.

Geneseo, IL is located in Henry County and observes the Central Time Zone.
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Illinois Area Code Map