Missouri Zip Codes. Missouri (nickname The Show Me State) is a U.S. state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. Missouri is the 21st most extensive and the 18th most populous of the 50 United States.
Nearly all of Berwyn is in Illinois' 3rd congressional district; the northernmost portion, between Roosevelt Road and 13th Street, is in Illinois' 4th congressional district. The United States Postal Service operates the Berwyn Post Office (1940), at 6625 Cermak Road.
Deerfield is represented by the 10th Congressional District of Illinois (Republican Robert Dold), 29th District of the Illinois Senate (Democrat Julie Morrison) and the 58th District of the Illinois House of Representatives (Democrat Scott Drury).