Area code 463 is found in the US state of Indiana. Area codes 317 and 463 are North American Numbering Plan area codes for central Indiana. They serve Indianapolis and most of its suburbs in Marion, Boone, Hancock, Hamilton, Hendricks, Johnson, Madison, Morgan, and Shelby counties. Area code 463 was first put in service November 15, 2016. Currently, the largest city it serves is Indianapolis city (balance), IN, and it overlaps coverage areas with area code 317. Phone numbers in the 463 area code can be found in 3 cities or locations.