West Alton, MO ZIP Codes, Coordinates & Counties
West Alton, Missouri has 1 ZIP code in St. Charles county. The approximate center of West Alton is 38.87, -90.215. West Alton has about 1,926 known street addresses.
ZIP codes in West Alton, MO
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 63386 | St. Charles | 38.87 | -90.215 |
Counties West Alton spans
St. Charles
Most common streets in West Alton
Cinder, Jamie, Saint Louis, Saint Charles, Main, Richard, Hoods, Thornton, Orchard, Lee
Frequently asked questions
What ZIP codes are in West Alton, MO?
West Alton, Missouri has 1 ZIP code, ranging from 63386 to 63386. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is West Alton, MO in?
West Alton is in St. Charles county.
What are the latitude and longitude of West Alton, MO?
The approximate center of West Alton, Missouri is latitude 38.87, longitude -90.215. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does West Alton, MO have?
West Alton has 1 ZIP code.
How many addresses are in West Alton, MO?
West Alton, Missouri has about 1,926 known street addresses in the sthan.io US address database.
What are the most common streets in West Alton, MO?
Some of the most common street names in West Alton are Cinder, Jamie, Saint Louis, Saint Charles, Main, Richard.
What cities are near West Alton, MO?
Cities near West Alton include East Alton (6 mi), Florissant (6 mi), Alton (7 mi), Cottage Hills (7 mi), Godfrey (7 mi).
Cities near West Alton
East Alton, IL (6 mi) Florissant, MO (6 mi) Alton, IL (7 mi) Cottage Hills, IL (7 mi) Godfrey, IL (7 mi) Hartford, IL (8 mi) Wood River, IL (8 mi) Roxana, IL (9 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database