ZIP Code 53820 – Potosi, WI
Potosi, Wisconsin · Grant County · Central time
| ZIP code | 53820 |
|---|---|
| City | Potosi |
| State | Wisconsin |
| County | Grant County |
| Population | 2,467 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 89.26 sq mi |
| Center (lat, long) | 42.6998, -90.7015 |
Area codes in this area
These are the area codes that most often serve ZIP 53820 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 53820
ZIP code 53820 is assigned to Potosi, Wisconsin. It lies in Grant County. Its Census area covers about 89.26 square miles of land. The closest neighboring ZIP is 53808 (Dickeyville), about 7 miles away.
Every address in 53820 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources