Joliet, Illinois Area Code
Joliet, IL is officially utilizing an area code overlay in which area codes 464 and 708 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Joliet, IL area code information read more about area code 708 and area code 464 and Illinois area codes.
Joliet, IL is located in Will County and observes the Central Time Zone.
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