Brookfield, WI is currently using one area code which is area code 262. Area Code 262 was created from a split of area code 414 and put into service on September 25, 1999.
In addition to Brookfield, WI area code 262 serves much of southeastern Wisconsin including the larger cities and communities of Brookfield, Caledonia, Kenosha, Menomonee Falls, Mequon, Mount Pleasant, Muskego, New Berlin, Racine, Waukesha, and West Bend in addition to many smaller communities.
Brookfield, WI is located in Waukesha County and observes the Central Time Zone.
View our Times by Area Code tool.