Washington Park
ZIP Code(s): 62204, 62203; County(s): St. Clair;
St. Clair
Appleton City
ZIP Code(s): 64724; County(s): St. Clair;
Cahokia
ZIP Code(s): 62206; County(s): St. Clair;
Marysville
ZIP Code(s): 48040; County(s): St. Clair;
St. Libory
ZIP Code(s): 62282, 62257; County(s): St. Clair;
Springville
ZIP Code(s): 35146; County(s): St. Clair;
Pell City
ZIP Code(s): 35125, 35128; County(s): St. Clair;
Odenville
ZIP Code(s): 35146, 35120; County(s): St. Clair;
Algonac
ZIP Code(s): 48001; County(s): St. Clair;
Fairmont City
ZIP Code(s): 62204, 62201, 62071; County(s): St. Clair, Madison;
Smithton
ZIP Code(s): 62220, 62243, 62285; County(s): St. Clair;