Eureka, Illinois Area Code

Eureka, IL Area Codes are


Eureka, IL is officially utilizing two area codes which are area codes 309 and 861.

In addition to Eureka, IL area code information read more about area codes 309 and 861 details and Illinois area codes.

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

Illinois Area Code Map