what area code is 314

The 314 area code is a telephone area code in the North American Numbering Plan (NANP) in the U.S. state of Missouri, serving the city of St. Louis and most of its inner-ring suburbs. It was assigned on January 1st, 1947, and it serves St. Louis, MO, and the surrounding areas. The 314 area code is a General Purpose Code, and it has a single overlay (557) that serves the same area. The largest city of the area code is St. Louis on the Mississippi river in the east. The 314 area code serves communities such as, but not limited to, St. Louis, Overland, Bridgeton, Florissant, Webster Groves, Creve Coeur, Kirkwood, and Sappington. All existing 314 area code customers will retain their current area code in the overlay area, and their telephone numbers will not be changed.