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Barnwell ZIP Codes — South Carolina (SC)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Barnwell | Barnwell | South Carolina | SC | 29812 |
| Hilda | Barnwell | South Carolina | SC | 29813 |
| Blackville | Barnwell | South Carolina | SC | 29817 |
| Elko | Barnwell | South Carolina | SC | 29826 |
| Williston | Barnwell | South Carolina | SC | 29853 |
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