page_title: Area codes 317 and 463
hierarchical_section_title: Area codes 317 and 463
caption_attribution_description: English: Public domain map courtesy of The General Libraries, The University of Texas at Austin, modified to show counties. See Wikipedia:U.S. county maps.
context_page_description: Area codes 317 and 463 are North American Numbering Plan area codes for Indianapolis and nine surrounding counties in central Indiana. It covers all or part of Marion, Boone, Hancock, Hamilton, Hendricks, Johnson, Madison, Morgan, and Shelby counties. 317 is the original area code, while 463 is an overlay covering the same area, making ten-digit dialing mandatory for all calls in the region.
context_section_description: Area codes 317 and 463 are North American Numbering Plan area codes for Indianapolis and nine surrounding counties in central Indiana. It covers all or part of Marion, Boone, Hancock, Hamilton, Hendricks, Johnson, Madison, Morgan, and Shelby counties. 317 is the original area code, while 463 is an overlay covering the same area, making ten-digit dialing mandatory for all calls in the region.
caption: Approximate service area of Area Codes 317 and 463 is in red.
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