Missouri area codes
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Missouri area codes

314Missouri (St. Louis, Florissant, Crestwood, Affton, and surrounding Missouri suburbs) More information at: Area Code 314 Phone Number Blocks
417Missouri (Joplin, Springfield, West Plains, Lamar, Lebanon and southwestern Missouri) More information at: Area Code 417 Phone Number Blocks
557Missouri Overlay of Area code 314 More information at: Area Code 557 Phone Number Blocks
573Missouri (Columbia, Jefferson City, Hannibal, Cape Girardeau, Poplar Bluff, Farmington, Park Hills, Lake Ozark and eastern Missouri excluding St. Louis) More information at: Area Code 573 Phone Number Blocks
636Missouri (St. Charles, Chesterfield, Union, De Soto, Troy and east central Missouri) More information at: Area Code 636 Phone Number Blocks
660Missouri (Marshall, Sedalia, Macon, Trenton, Maryville, Bethany and north central Missouri) More information at: Area Code 660 Phone Number Blocks
816Missouri (Kansas City, St Joseph, Independence, Harrisonville and west central Missouri) More information at: Area Code 816 Phone Number Blocks
975Missouri This area code is scheduled to provide numbering relief to code 816 but no date has been assigned for this to go into effect. More information at: Area Code 975 Phone Number Blocks