West Alton Missouri is covered by a total of 1 ZIP Codes. There are also 1 ZIP Codes that overlap West Alton but have a different postal city name. The ZIP Codes in West Alton range from 63301 to 63386. Of the ZIP codes within or partially within West Alton there are 1 Standard ZIP Codes. The total population of ZIP Codes in West Alton is 522.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of West Alton and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Saint Charles | Standard | |||
| West Alton | Standard |