Area Code 816 is located in MO.
Cities located in 816 area code are Kansas City, St Joseph, Kansas City Mcgee, Blue Springs, Edgerton, Odessa, Gladstone, Wellington, Ferrelview, Lees Summit, Buckner, Freeman, Agency, Independence, Harrisonville, Holt, Belton, Kansas City Willow, Oak Grove, Moberly, Camden Point, Sedalia, Cameron, Henrietta, Archie, Lawson, Adrian, Savannah, Parkville, Rothville, Smithville, Saint Joseph, Holden, Platte City, Grain Valley, Trimble, Greenwood, Helena, Warrensburg, Cosby, Weston, Clarksdale, Kansas City, Liberty, Kansas City, Gower, Bolckow, Maysville, Dearborn, Hamilton, Richmond, Easton, Amazonia, Fillmore, Orrick, Rea, Lathrop, Sedalia, Plattsburg, Pleasant Hill, Knob Noster, Lone Jack, Rosendale, Kidder, Lake Lotawana, Rushville, Polo, Union Star, Kingsville, Lenexa, Cleveland, Drexel, Kearney, Excelsior Est, Stewartsville, Kansas City, Peculiar, Garden City, Excelsior Springs, Marshall, Kirksville, Boonville.
Counties located in this area code are Jackson County, Buchanan County, Platte County, Lafayette County, Clay County, Cass County, Randolph County, Pettis County, Clinton County, Ray County, Bates County, Andrew County, Chariton County, Johnson County, Dekalb County, Caldwell County, Saline County, Adair County, Cooper County