Allendale, Illinois Area Code

Allendale, IL Area Codes are

Allendale, IL is officially utilizing one area code which is area code 618.

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

Allendale, IL is located in Wabash County and observes the Central Time Zone.
View our Times by Area Code tool.

Illinois Area Code Map