Saint Charles, MO ZIP Codes, Coordinates & Counties
Saint Charles, Missouri has 3 ZIP codes in St. Charles county. The approximate center of Saint Charles is 38.77, -90.558. Saint Charles has about 242,620 known street addresses.
ZIP codes in Saint Charles, MO
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 63301 | St. Charles | 38.863 | -90.467 |
| 63303 | St. Charles | 38.74 | -90.543 |
| 63304 | St. Charles | 38.706 | -90.665 |
Counties Saint Charles spans
St. Charles
Most common streets in Saint Charles
5th, 4th, 3rd, 6th, Elm, Heritage, 2nd, Main, Park, Clay
Frequently asked questions
What ZIP codes are in Saint Charles, MO?
Saint Charles, Missouri has 3 ZIP codes, ranging from 63301 to 63304. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Saint Charles, MO in?
Saint Charles is in St. Charles county.
What are the latitude and longitude of Saint Charles, MO?
The approximate center of Saint Charles, Missouri is latitude 38.77, longitude -90.558. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Saint Charles, MO have?
Saint Charles has 3 ZIP codes.
How many addresses are in Saint Charles, MO?
Saint Charles, Missouri has about 242,620 known street addresses in the sthan.io US address database.
What are the most common streets in Saint Charles, MO?
Some of the most common street names in Saint Charles are 5th, 4th, 3rd, 6th, Elm, Heritage.
What cities are near Saint Charles, MO?
Cities near Saint Charles include Saint Peters (4 mi), Earth City (5 mi), Maryland Heights (6 mi), Bridgeton (7 mi), Chesterfield (9 mi).
Cities near Saint Charles
Saint Peters, MO (4 mi) Earth City, MO (5 mi) Maryland Heights, MO (6 mi) Bridgeton, MO (7 mi) Chesterfield, MO (9 mi) Hazelwood, MO (9 mi) O'Fallon, MO (9 mi) Golden Eagle, IL (10 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database