Charleston, SC ZIP Codes
Charleston, South Carolina has 17 ZIP codes: 8 for street addresses (, , , , , and 2 more), 6 for PO boxes and 3 for single organizations.
Your street decides which one you use.
Which Charleston ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Charleston ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
PO box and single-organization ZIP codes have no area on the map. Dashed line: Charleston city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Charleston ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 29401 | street delivery East Bay |
| 29402 | PO boxes at the Charleston post office Charleston |
| 29403 | street delivery East Bay |
| 29406 | street delivery North Charleston |
| 29407 | street delivery Saint Andrews |
| 29409 | one organization Cross County |
| 29412 | street delivery James Island |
| 29413 | PO boxes at the East Bay post office East Bay |
| 29414 | street delivery Ashley River |
| 29416 | PO boxes at the Ashley River post office Ashley River |
| 29417 | PO boxes at the Saint Andrews post office Saint Andrews |
| 29422 | PO boxes at the James Island post office James Island |
| 29423 | PO boxes at the Cross County post office Cross County |
| 29424 | one organization Cross County |
| 29425 | one organization Cross County |
| 29455 | street delivery; mail may be addressed to Johns Island Johns Island |
| 29492 | street delivery North Charleston |
Why your mail may say Charleston when you live outside it
Charleston ZIP codes also cover Kiawah Island, Folly Beach and Seabrook Island, so a letter addressed to Charleston can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Charleston County property records show which city you are in.
Charleston ZIP code questions
What is the main ZIP code for Charleston?
29409, the ZIP code of the main Cross County post office at 7075 Cross County Rd.
Which Charleston ZIP codes are for PO boxes only?
29402, 29413, 29416, 29417, 29422 and 29423. Mail to them goes to boxes at the post office, not to street addresses.
What county is Charleston in?
Charleston County, with parts in Berkeley County.
ZIP codes for towns near Charleston
More towns near Charleston: Sumter, Myrtle Beach, Savannah, Florence, Columbia, Statesboro, Aiken, Hinesville, Augusta.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections