Potosi, MO ZIP Codes, Coordinates & Counties
Potosi, Missouri has 1 ZIP code in Washington county. The approximate center of Potosi is 37.913, -90.92. Potosi has about 58,814 known street addresses.
ZIP codes in Potosi, MO
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 63664 | Washington | 37.913 | -90.92 |
Counties Potosi spans
Washington
Most common streets in Potosi
Mine, High, King, Pine, Harmon, Olive, Valley, Missouri, Douglass, Bell
Frequently asked questions
What ZIP codes are in Potosi, MO?
Potosi, Missouri has 1 ZIP code, ranging from 63664 to 63664. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Potosi, MO in?
Potosi is in Washington county.
What are the latitude and longitude of Potosi, MO?
The approximate center of Potosi, Missouri is latitude 37.913, longitude -90.92. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Potosi, MO have?
Potosi has 1 ZIP code.
How many addresses are in Potosi, MO?
Potosi, Missouri has about 58,814 known street addresses in the sthan.io US address database.
What are the most common streets in Potosi, MO?
Some of the most common street names in Potosi are Mine, High, King, Pine, Harmon, Olive.
What cities are near Potosi, MO?
Cities near Potosi include Belgrade (9 mi), Mineral Point (12 mi), Cadet (13 mi), Caledonia (14 mi), Irondale (14 mi).
Cities near Potosi
Belgrade, MO (9 mi) Mineral Point, MO (12 mi) Cadet, MO (13 mi) Caledonia, MO (14 mi) Irondale, MO (14 mi) Tiff, MO (16 mi) Viburnum, MO (17 mi) Belleview, MO (17 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database