Where is Area Code 816?

Max of Missouri with area code 816 highlighted

Area code 816 is found in the US state of Missouri. Primarily servicing the city of Kansas City (population: 334358), area code 816 covers 14 counties of Missouri.

Located in the Central time zone, area code 816 is on the same time as Chicago, IL.

Area code 816 was brought into effect on January 1, 1947.

Counties in Area Code 816

  • Andrew,
  • Bates,
  • Buchanan,
  • Caldwell,
  • Cass,
  • Clay,
  • Clinton,
  • DeKalb,
  • Henry,
  • Jackson,
  • Johnson,
  • Lafayette,
  • Platte,
  • Ray.

Most Populous Cities in Area Code 816

City County City Population
Kansas City Jackson 334,358
Kansas City Clay 150,306
Independence Jackson 123,957
Lees Summit Jackson 96,613
Saint Joseph Buchanan 87,613
Kansas City Platte 67,773
Blue Springs Jackson 56,281
Liberty Clay 37,201
Belton Cass 27,506
Grandview Jackson 24,538
Raymore Cass 21,184
Grain Valley Jackson 16,653
Excelsior Springs Clay 16,486
Harrisonville Cass 14,514
Kearney Clay 13,373
Cameron Clinton 13,084
Pleasant Hill Cass 12,981
Platte City Platte 12,866
Oak Grove Jackson 11,857
Smithville Clay 11,768
Odessa Lafayette 9,444
Peculiar Cass 8,982
Richmond Ray 8,641
Savannah Andrew 8,183
Greenwood Jackson 7,653

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.