Florissant, MO ZIP Codes, Coordinates & Counties
Florissant, Missouri has 3 ZIP codes in St. Louis county. The approximate center of Florissant is 38.819, -90.306. Florissant has about 174,871 known street addresses.
ZIP codes in Florissant, MO
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 63031 | St. Louis | 38.812 | -90.353 |
| 63033 | St. Louis | 38.796 | -90.277 |
| 63034 | St. Louis | 38.848 | -90.289 |
Counties Florissant spans
St. Louis
Most common streets in Florissant
Parker, Washington, Lafayette, Parks, Central, Jefferson, Graham, Harrison, Lindbergh, Patterson
Frequently asked questions
What ZIP codes are in Florissant, MO?
Florissant, Missouri has 3 ZIP codes, ranging from 63031 to 63034. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Florissant, MO in?
Florissant is in St. Louis county.
What are the latitude and longitude of Florissant, MO?
The approximate center of Florissant, Missouri is latitude 38.819, longitude -90.306. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Florissant, MO have?
Florissant has 3 ZIP codes.
How many addresses are in Florissant, MO?
Florissant, Missouri has about 174,871 known street addresses in the sthan.io US address database.
What are the most common streets in Florissant, MO?
Some of the most common street names in Florissant are Parker, Washington, Lafayette, Parks, Central, Jefferson.
What cities are near Florissant, MO?
Cities near Florissant include Hazelwood (5 mi), West Alton (6 mi), Bridgeton (7 mi), Saint Ann (8 mi), Earth City (9 mi).
Cities near Florissant
Hazelwood, MO (5 mi) West Alton, MO (6 mi) Bridgeton, MO (7 mi) Saint Ann, MO (8 mi) Earth City, MO (9 mi) Portage Des Sioux, MO (9 mi) Elsah, IL (10 mi) Maryland Heights, MO (10 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database