Barnwell County, South Carolina ZIP codes
5ZIP codes
5Cities and towns
21,456People in ZIP areas
803, 839Area codes
Barnwell County is in South Carolina and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Barnwell County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 29812 | Barnwell | Standard | 11,132 | $51,870 |
| 29813 | Hilda | PO Box only | – | – |
| 29817 | Blackville | Standard | 4,139 | $41,579 |
| 29826 | Elko | PO Box only | 241 | – |
| 29853 | Williston | Standard | 5,944 | $44,983 |
Cities and towns in Barnwell County
- Barnwell 1 ZIP
- Blackville 1 ZIP
- Elko 1 ZIP
- Hilda 1 ZIP
- Williston 1 ZIP
Area codes in Barnwell County
Questions
- How many ZIP codes are in Barnwell County, SC?
- Barnwell County has 5 ZIP codes, 3 of them standard ZIP codes for street addresses.
- What cities are in Barnwell County?
- Barnwell County ZIP codes cover Barnwell, Blackville, Elko, Hilda and Williston.
- What area code is Barnwell County, SC?
- Barnwell County uses area codes 803 and 839.
- What time zone is Barnwell County in?
- Barnwell County is in Eastern Time.
Other South Carolina counties
- Abbeville County
- Aiken County
- Allendale County
- Anderson County
- Bamberg County
- Beaufort County
- Berkeley County
- Calhoun County
- Charleston County
- Cherokee County
- Chester County
- Chesterfield County
- Clarendon County
- Colleton County
- Darlington County
- Dillon County
- Dorchester County
- Edgefield County
- Fairfield County
- Florence County
- Georgetown County
- Greenville County
- Greenwood County
- Hampton County
- Horry County
- Jasper County
- Kershaw County
- Lancaster County
- Laurens County
- Lee County
- Lexington County
- Marion County
- Marlboro County
- McCormick County
- Newberry County
- Oconee County
- Orangeburg County
- Pickens County
- Richland County
- Saluda County
- Spartanburg County
- Sumter County
- Union County
- Williamsburg County
- York County