Walnut Hill, Illinois Area Code

Walnut Hill, IL Area Codes are

618 and 730

Walnut Hill, IL is officially utilizing two area codes which are area codes 618 and 730.

In addition to Walnut Hill, IL area code information read more about area code 618 details, area code 730 details, and Illinois area codes.

Walnut Hill, IL is located in Marion County and observes the Central Time Zone.
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Illinois Area Code Map