Franklin Grove, Illinois Area Code
Franklin Grove, IL is officially utilizing an area code overlay in which area codes 779 and 815 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Franklin Grove, IL area code information read more about area codes 779 and 815 details and Illinois area codes.
Franklin Grove, IL is located in Lee County and observes the Central Time Zone.
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