Saint Joseph, Illinois Area Code

Saint Joseph, 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 Saint Joseph, IL area code information read more about area codes 217 and 447 details and Illinois area codes.

Saint Joseph, IL is located in Champaign County and observes the Central Time Zone.
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