Old Mill Creek, Illinois Area Code
Old Mill Creek, IL is officially utilizing an area code overlay in which area codes 224 and 847 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Old Mill Creek, IL area code information read more about area codes 224 and 847 details and Illinois area codes.
Old Mill Creek, IL is located in Lake County and observes the Central Time Zone.
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