Indianapolis, Indiana
Area code 317
Where Is Area Code 317?
Area code 317 is in central Indiana. It serves Indianapolis and many nearby communities in the Indianapolis metropolitan area. This area code is one of the main telephone area codes for Marion County and surrounding parts of central Indiana.
The largest city in area code 317 is Indianapolis, which is the state capital of Indiana. Other communities in the 317 service area include Carmel, Fishers, Noblesville, Greenwood, and Lawrence. The area code also covers parts of counties around Indianapolis, including Hamilton County and Johnson County.
Notable places in the 317 area include downtown Indianapolis, the Indiana State Capitol, and the Indianapolis Motor Speedway in Speedway. The region sits in central Indiana and includes the White River, which runs through Indianapolis. Many major business, government, sports, and cultural sites in Indiana are located within this area code.
History of Area Code 317
Area code 317 was one of the original North American area codes created in 1947. At that time, it covered a much larger part of Indiana than it does today. It was assigned as part of the first nationwide numbering plan developed by AT&T and the Bell System.
Area code 317 was reduced in size by later splits as demand for telephone numbers grew in Indiana. In 1997, area code 765 was created in a split that removed many surrounding central Indiana communities from 317. In 2016, area code 463 began overlay service in the same geographic area as 317, and 10-digit dialing became necessary for local calls in the overlay region.
Key Facts About Area Code 317
- Area code 317 is in Indiana, and its main city is Indianapolis, the state capital.
- Area code 317 serves central Indiana, including Indianapolis and nearby cities such as Carmel, Fishers, Noblesville, Greenwood, and Lawrence.
- Area code 317 is in the Eastern Time Zone.
- Area code 317 was established in 1947 as one of the original North American area codes.
- Area code 317 was split in 1997 when area code 765 was created for many surrounding central Indiana communities.
- Area code 317 is overlaid by area code 463, which entered service in 2016.
- The 317 area includes major landmarks and institutions such as the Indiana State Capitol, Indianapolis Motor Speedway, Indiana University Indianapolis, and Lucas Oil Stadium.
- The 317 and 463 numbering plan area serves more than 2 million people in the Indianapolis metropolitan region, based on U.S. Census estimates for the metro area.
Frequently Asked Questions
What state is area code 317 in?
Area code 317 is in Indiana.
What major cities use area code 317?
Major cities and communities in area code 317 include Indianapolis, Carmel, Fishers, Noblesville, Greenwood, and Lawrence.
Is area code 317 a toll-free number?
No. Area code 317 is a geographic area code for central Indiana.
Last updated: April 2026