Where is Area Code 317?

Max of Indiana with area code 317 highlighted

Area code 317 is found in the US state of Indiana. Primarily servicing the city of Indianapolis (population: 919062), area code 317 covers 14 counties of Indiana.

Located in the Eastern time zone, area code 317 is on the same time as New York, NY.

Area code 317 was brought into effect on January 1, 1947.

Counties in Area Code 317

  • Boone,
  • Brown,
  • Carroll,
  • Decatur,
  • Franklin,
  • Hamilton,
  • Hancock,
  • Hendricks,
  • Johnson,
  • Marion,
  • Morgan,
  • Owen,
  • Shelby.

Most Populous Cities in Area Code 317

City County City Population
Indianapolis Marion 919,062
Carmel Hamilton 81,314
Greenwood Johnson 80,967
Fishers Hamilton 77,615
Noblesville Hamilton 67,938
Greenfield Hancock 39,052
Brownsburg Hendricks 34,816
Avon Hendricks 32,842
Franklin Johnson 31,816
Plainfield Hendricks 31,348
Westfield Hamilton 28,198
Shelbyville Shelby 27,837
Zionsville Boone 25,519
Mooresville Morgan 23,235
Danville Hendricks 15,173
Camby Morgan 14,273
Beech Grove Marion 12,994
New Palestine Hancock 12,117
Whiteland Johnson 12,105
McCordsville Hancock 10,412
Fortville Hancock 10,203
Delphi Carroll 8,026
Indianapolis Hamilton 7,341
Cicero Hamilton 7,095
Sheridan Hamilton 7,002

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.