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