City · South Carolina · United States
Buffalo, SC — ZIP codes
1 ZIP code · Union County
- City
- Buffalo
- County
- Union
- State
- South Carolina
- Country
- United States
- Postal code
- 29321Single source
- Coordinates
- 34.7247, -81.6826 View on OpenStreetMap
- Area code
- 864 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 29321 | Buffalo | 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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.