The new area code, which spells out IND on a standard telephone keypad, made 317 the second Indiana area code to be overlaid after area code 812 was overlaid with 930 in March 2015.
The new area code, which is represented by IND on a standard telephone keypad, designated 317 as the second Indiana area code to be overlaid following the overlay of 812 with 930 in March 2015.