Area Code 314 - Missouri, Illinois
Cities: Mehlville, Saint Louis, Creve Coeur, Bridgeton, Kirkwood, Ladue, Chesterfield, Saint Charles, Maryland Heights, Ferguson, Sappington, Oakville, Hillsboro, Spanish Lake, Riverview, Saint Ann, Hazelwood, St Louis, Ballwin, East Saint Louis, Florissant, Saint Louis Overland, Weldon Springs, Saint Peters