Zip Area Code

Saint Charles, Missouri

Saint Charles, Missouri, in St. Charles County, has ZIP codes 63301, 63302, 63303 and 63304 and area code 636.

ZIP codes
63301, 63302, 63303, 63304
Area code
636
Time zone
Central Time
Coordinates
38.7713, -90.5396

ZIP codes in Saint Charles

ZIP codePost officeCountyArea codes
63301Saint CharlesSt. Charles County636
63302*Saint CharlesSaint Charles636
63303Saint CharlesSt. Charles County636
63304Saint CharlesSt. Charles County636

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area code for Saint Charles

  • Area code 636

    In service since May 22, 1999. Local calls are dialed with seven digits.

Time zone

Saint Charles is in the Central Time zone.

Towns near Saint Charles