| Localité | Code postal |
|---|---|
| Adams Run, Charleston | 29426 |
| Awendaw, Charleston | 29429 |
| Charleston, Charleston | 29401, 29403, 29406, 29407, 29409, … |
| Charleston Air Force Base, Charleston | 29404 |
| Charleston Heights, Charleston | 29418 |
| Dewees Island, Charleston | 29451 |
| Edisto Island, Charleston | 29438 |
| Folly Beach, Charleston | 29439 |
| Hollywood, Charleston | 29449 |
| Isle of Palms, Charleston | 29451 |
| James Island, Charleston | 29412 |
| Jericho, Charleston | 29426 |
| Johns Island, Charleston | 29455 |
| Kiawah Island, Charleston | 29455 |
| Lincolnville, Charleston | 29485 |
| McClellanville, Charleston | 29458 |
| Meggett, Charleston | 29449 |
| Mount Pleasant, Charleston | 29429, 29464, 29466 |
| North Charleston, Charleston | 29405, 29406, 29418 |
| Osborn, Charleston | 29426 |
| Pinehaven, Charleston | 29405 |
| Rantowels, Charleston | 29449 |
| Ravenel, Charleston | 29470 |
| Saint Andrews, Charleston | 29407 |
| Seabrook Island, Charleston | 29455 |
| Sullivans Island, Charleston | 29482 |