Zip Area Code

St. Clair County, Missouri

St. Clair County, Missouri, has 10 towns and 6 ZIP codes, in area codes 417 and 660.

Towns in St. Clair County, A to Z

TownZIP codesArea codes
Appletonnearest64724660
Appleton City64724660
Collins64738417
Lowrynearest64763417
Lowry City64763417
Osceola64776417
Rockville64780660
Roscoe64781417
Schellnearest64780, 64783660, 417
Vistanearest64776417

ZIP codes in St. Clair County

Area codes in St. Clair County

  • Area code 417

    In service since 1950. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 660

    In service since October 12, 1997. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.