Area Code 317 History - Indiana

Significant events for area code 317

1947 One of the original two area codes for Indiana. It covered the northern and central areas of the state. 812 covered the southern area.
1948 Area code 317 split with 219 covering northern Indiana.
1997 Area code 317 split with 765 covering most of the area surrounding the Indianapolis metro area.
2016 Area code 463 was overlaid on 317.