Significant events for area code 317
Date |
Details |
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. |
February 1, 1997 | Area code 317 split with 765 covering most of the area surrounding the Indianapolis metro area. |
March 15, 2016 | Area code 463 was overlaid on 317. |