Gary, IN is currently using one area code which is area code 219. Area code 219 was one of the three original area codes assigned to Indiana in 1947.
In addition to Gary, IN area code 219 serves northwest Indiana including the larger communities of Crown Point, East Chicago, Gary, Griffith, Hammond, Highland, Hobart, Merrillville, Michigan City, Munster, Portage, Schererville, and Valparaiso in addition to many smaller communities.
Gary, IN is located in Lake County and observes the Central Time Zone.
View our Times by Area Code tool.