Located in the Eastern (GMT -05:00) time zone. Area code 463 serves the state of Indiana. This area code was assigned on April 8th, 2015. On November 15th, 2016 it went into service. 463 is a General Purpose Code. 463 service area does overlap with 317 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.