Area code 316 is the telephone area code for Wichita, Kansas, and the surrounding areas. It was one of the original North American Numbering Plan (NANP) area codes and was assigned on January 1st, 1947. The area code covers cities such as Wichita, Derby, Newton, Andover, El Dorado, and Haysville. The time zone for area code 316 is Central Standard Time (GMT -6:00) .