Byrnes Mill Missouri - Brynes Mill Missouri is located in Jefferson County and is about 45 minutes southwest of Downtown St. Louis along Highway 30 in the 63051 zip code. - More Info Tags: 63051, Byrnes Mill Missouri

Cedar Hill Missouri - Cedar Hill Missouri is a census-designated place located in Jefferson County. The community lies southwest of House Springs Missouri just off of Highway 30 in the 63016 zip code. - More Info Tags: 63016, Cedar Hill Missouri

Dittmer Missouri - Dittmer Missouri is an unincorporated area in Jefferson County Missouri, located southwest of the community of Cedar Hill and just off of Highway 30. - More Info Tags: 63023, Dittmer Missouri

High Ridge Missouri - High Ridge Missouri is located in Jefferson County and is a Census-Designated Place in the 63049 zip code. - More Info Tags: 63049, High Ridge Missouri

Hillsboro Missouri - The City of Hillsboro Missouri is located in Jefferson County in the 63050 zip code and is near the Sandy Creek Bridge State Historic Site. - More Info Tags: 63050, Hillsboro Missouri

House Springs Missouri - House Springs is an unincorporated area located in Jefferson County Missouri in the 63051 zip code. - More Info Tags: 63051, House Springs Missouri