816 Area Code 🌍☎️

The most populous cities in area code 816 are: Kansas City, Saint Joseph, Lees Summit, Belton, and Blue Springs.

Other cities in the 816 area code include: Cameron, Harrisonville, Independence, Excelsior Springs, Odessa, Platte City, Liberty, Kearney, Richmond, Rushville, Smithville, Cosby, Holden, Kingsville, Pleasant Hill, Oak Grove, Greenwood, Grain Valley, Buckner, Lathrop, Adrian, Archie, Wellington, Freeman, Henrietta, Easton, Lone Jack, Agency, Lawson, Plattsburg, Garden City, Drexel, Stewartsville, Orrick, Cleveland, Union Star, Savannah, Maysville, Holt, Peculiar, Hamilton, Weston, Camden Point, Trimble, Dearborn, Clarksdale, Amazonia, Fillmore, Bolckow, Rosendale, Rea, Gower, Helena, Edgerton, Polo, Kingston, Kidder, De Kalb, Turney, and Osborn.

Kansas City is the largest city in Missouri and the sixth largest city in the Midwest. According to the U.S. Census Bureau, the city had an estimated population of 475,378 in 2015, making it the 36th largest city by population in the United States. It is the anchor city of the Kansas City metropolitan area, which straddles the Kansas – Missouri border. Kansas City was founded in the 1830s as a Missouri River port at its confluence with the Kansas River coming in from the west. On June 1, 1850 the town of Kansas was incorporated; shortly after came the establishment of the Kansas Territory. Confusion between the two ensued and the name Kansas City was assigned to distinguish them soon thereafter.Sitting on Missouri's western border, with Downtown near the confluence of the Kansas and Missouri rivers, the modern city encompasses some 319.03 square miles (826.3 km 2), making it the 23rd largest city by total area in the United States. Most of the city lies within Jackson County, but portions spill into Clay, Cass, and Platte counties. Along with Independence, it serves as one of the two county seats for Jackson County. Major suburbs include the Missouri cities of Independence and Lee's Summit and the Kansas cities of Overland Park, Olathe, and Kansas City.The city is composed of several neighborhoods, including the River Market District in the north, the 18th and Vine District in the east, and the Country Club Plaza in the south. Kansas City is also known for its cuisine (including its distinctive style of barbecue), its craft breweries and its major league sports teams.

St. Joseph (informally St. Joe) is a city in and the county seat of Buchanan County, Missouri, United States. It is the principal city of the St. Joseph Metropolitan Statistical Area, which includes Buchanan, Andrew, and DeKalb counties in Missouri and Doniphan County, Kansas. As of the 2010 census, St. Joseph had a total population of 76,780, making it the eighth largest city in the state, third largest in Northwest Missouri. The metropolitan area had a population of 127,329 in 2010.St. Joseph, named after the biblical Saint Joseph, is located on the Missouri River. It is perhaps best known as the starting point of the Pony Express and the death place of Jesse James ; the rapper Eminem was born here as well. St. Joseph is also home to Missouri Western State University.

Lee's Summit is a city located within the counties of Jackson (primarily) and Cass in the U.S. state of Missouri. As of the 2010 census its population was about 91,364, making it the sixth-largest city in both the state and in the Kansas City Metropolitan Area. In 2006, CNN/Money and Money magazine ranked Lee's Summit 44th on its list of the "100 Best Cities to Live in the United States." That ranking improved to 27th on the 2010 list.

The 816 area code lies within the Central Daylight Time Zone (or CDT). The current time in Central Daylight Time is 06:23 AM on Mar 10, 2026.