The U.S. state of Kansas is served with four area codes in the North American Numbering Plan, each assigned to one distinct geographic numbering plan area (NPA).
Area code Year ParentNPA Numbering plan area316 1947 – City of Wichita and the surrounding area620 2001 316 Southern Kansas, except Wichita area913 1947 – Kansas City Metropolitan Area785 1997 913 Northern Kansas, except Kansas City area