ZIP Code 29403 – Charleston, SC
Charleston, South Carolina · Charleston County · Eastern time
| ZIP code | 29403 |
|---|---|
| City | Charleston |
| State | South Carolina |
| County | Charleston County |
| Population | 22,533 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 5.4 sq mi |
| Center (lat, long) | 32.8033, -79.9457 |
Area codes in this area
These are the area codes that most often serve ZIP 29403 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 29403
ZIP code 29403 is assigned to Charleston, South Carolina. It lies in Charleston County. Its Census area covers about 5.4 square miles of land. The closest neighboring ZIP is 29409 (Charleston), about 1 miles away.
Every address in 29403 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources