Keystone, Indiana

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|official_name = Keystone, Indiana

|settlement_type = Unincorporated community and Census-designated place

|motto =

|image_skyline = Keystone, Indiana.jpg

|imagesize = 290px

|image_caption =

|image_map = Map of Indiana highlighting Wells County.svg

|mapsize = 150px

|map_caption = Wells County's location in Indiana

|image_map1 =

|mapsize1 =

|map_caption1 =

|image_dot_map =

|dot_mapsize =

|dot_map_caption =

|dot_x =

|dot_y =

|pushpin_map = USA Indiana Wells County

|pushpin_label = Keystone

|pushpin_label_position =

|pushpin_map_caption = Location of Keystone in Wells County

|pushpin_mapsize =

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Indiana

|subdivision_type2 = County

|subdivision_name2 = Wells

|subdivision_type3 = Township

|subdivision_name3 = Chester

|established_title =

|established_date =

|area_total_km2 =

|area_land_km2 =

|population_as_of =

|population_footnotes =

|population_note =

|population_total =

|timezone = Eastern (EST)

|utc_offset = -5

|timezone_DST = EDT

|utc_offset_DST = -4

|coordinates = {{coord|40|35|37|N|85|15|37|W|region:US-IN|display=inline,title}}

|elevation_footnotes =

|elevation_ft = 866

|postal_code_type = ZIP code

|postal_code = 46759

|area_code =

|blank_name = FIPS code

|blank_info = 18-39654{{cite web|url=https://www.census.gov|publisher=United States Census Bureau|accessdate=2008-01-31|title=U.S. Census website}}

|blank1_name = GNIS feature ID

|blank1_info = 2830580{{GNIS|2830580}}

|website =

|footnotes =

}}

Keystone is an unincorporated community in Chester Township, Wells County, in the U.S. state of Indiana.