Patterson, Illinois Area Code

Patterson, IL Area Codes are

217 and 447

Patterson, IL is officially utilizing an area code overlay in which area codes 217 and 447 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Patterson, IL area code information read more about area codes 217 and 447 details and Illinois area codes.

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