City · South Carolina · United States
Barnwell, SC — ZIP codes
1 ZIP code · Barnwell County
- City
- Barnwell
- County
- Barnwell
- State
- South Carolina
- Country
- United States
- Postal code
- 29812Single source
- Coordinates
- 33.2335, -81.3523 View on OpenStreetMap
- Area codes
- 839, 803
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 29812 | Barnwell | 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.