Area Code 317
(812 and 930)
Area Code 317 History:
Area code 317 was put into service. In 1997 Area code 317 was split to form area code 765.
Area code 463 has been approved by the Indiana Regulatory Commission as an overlay of area code 317 with a revised implementation date of November 15, 2016. Effective 10/15/2016 ten digit dialing (area code + seven digit number) will be necessary in the 317/463 overlay because different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.
Counties in Indiana within area code 317 include:
Boone County, Carroll County, Decatur County, Hamilton County, Hancock County, Hendricks County, Johnson County, Marion County, Morgan County, Owen County, Shelby County, and Union County.
Major cities or places in Indiana within area code 317 include:
Area code 317 serves the Indianapolis metropolitan area including the larger cities and communities of Carmel, Fishers, Greenwood, Indianapolis, Lawrence, and Noblesville in addition to many smaller communities.