The state of Indiana currently has 8 area codes, with a 9th (to relieve the 765 area code) expected by 2029.
Area code Yearcreated ParentNPA Overlay Numbering plan area 317 1947 – 317/463 Metro Indianapolis; Boone County, Hancock County, Hamilton County, Hendricks County, Johnson County, Marion County, Morgan County, and Shelby County 463 2016 317 219 1948 317 – Northwest corner of the state, including Gary, Hammond, Merrillville, Valparaiso, and Michigan City 765 1997 317 – Central Indiana, except the Indianapolis metro area 260 2002 219 – Northeast Indiana, including Fort Wayne, and Angola. 574 2002 219 – North-central Indiana, including South Bend, North Judson, and Warsaw 812 1947 – 812/930 Evansville, Vincennes, Terre Haute, Bloomington, Columbus, Madison, and Jeffersonville 930 2015 812
References
See also List of North American Numbering Plan area codes