Hazel Green, WI is currently using one area code which is area code 608. Area Code 608 was created from a split of area code 414 and 715 and put into service on January 1, 1955.
In addition to Hazel Green, WI area code 608 serves southwestern Wisconsin including the larger cities and communities of Beloit, Fitchburg, Janesville, La Crosse, Madison, and Sun Prairie in addition to many smaller communities within the service area.
Hazel Green, WI is located in Grant County and observes the Central Time Zone.
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