Charleston zipcode
| City | Charleston |
| ZIP Code | 29423 |
| Type | PO Box |
| State Code | SC |
| State | South Carolina |
ZIP code of Charleston is 29423. This place is located in South Carolina state in US. To send any postal service to Charleston, you must use 29423 zipcode.
The ZIP code 29423 is also used with 2 more city names of South Carolina.
- N Charleston, SC
- North Charleston, SC
You should avoid following 1 city name of South Carolina to be used with the ZIP code 29423.
- Chas, SC