Potosi, MO zip code
Potosi, Missouri uses one zip code: 63664. Most of it is in Washington County. Together these zip codes are home to about 9.7K people.
Zip codes
1
Population
9.7K
All zips combined
Largest zip
63664
9,693 residents
Zip codes in Potosi
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 63664 | 9,693 | $61,216 |