City · Louisiana · United States
Donaldsonville, LA — ZIP codes
1 ZIP code · Ascension County
- City
- Donaldsonville
- County
- Ascension
- State
- Louisiana
- Country
- United States
- Postal code
- 70346Single source
- Coordinates
- 30.1018, -90.9970 View on OpenStreetMap
- Area code
- 225
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 70346 | Donaldsonville | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Last generated : 2026-08-21. Report an error.