Postal reference / United States
54937Fond Du Lac, Wisconsin
ZIP code 54937 is a United States postal code for Fond Du Lac, Wisconsin. Its county association is Fond du Lac County. The map reference point is at 43.765, -88.6057.
- State / territory
- Wisconsin
- Recorded place name
- Fond Du Lac
- County association
- Fond du Lac
- Estimated coordinate
- 43.765, -88.6057
View on OpenStreetMap - ZIP prefix
- 549 · 66 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 120.114 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
Need the last four digits?
ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.
Find ZIP+4Explore Wisconsin
Browse the other 895 ZIP codes recorded for Wisconsin, sorted by code with place and county.
Wisconsin directoryOther ZIP codes in Fond Du Lac, WI
Fond Du Lac has 3 ZIP codes in the reference dataset.
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 54974 | Rosendale | WI | Fond du Lac | 2.4 |
| 54932 | Eldorado | WI | Fond du Lac | 5.5 |
| 53065 | Oakfield | WI | Fond du Lac | 6.0 |
| 54936 | Fond Du Lac | WI | Fond du Lac | 8.4 |
| 54935 | Fond Du Lac | WI | Fond du Lac | 8.5 |
| 54979 | Van Dyne | WI | Fond du Lac | 8.9 |
| 53919 | Brandon | WI | Fond du Lac | 9.3 |
| 54964 | Pickett | WI | Winnebago | 10.8 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
Verify a mailing address
For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.
Open USPS address lookup