festus zip code
63028 is located in the state of Missouri in the Saint Louis metro area. Zip code 63028 is primarily located in Jefferson County. Portions of 63028 are also located in Ste Genevieve County. The official postal service name used for 63028 is FESTUS, Missouri. Portions of the 63028 zip code are contained within or border the city limits of Festus, MO, Crystal City, MO, Herculaneum, MO, and Olympian Village, MO. Zip code 63028 is part of area code 636 and area code 573.