Area codes 573 and 235
area code in Missouri, U.S
Area codes 573 and 235 are telephone area codes in the North American Numbering Plan (NANP). It serves the eastern and central parts of the U.S. state of Missouri, such as Columbia, Cape Girardeau, Jefferson City, Hannibal, and Sikeston. Area code 573 was created on January 7, 1996 as a split from area code 314. It was overlaid by 235 on March 24, 2024.