| Business | Phone |
| Charleston County Aviation 5500 International Blvd # 101, Charleston 29418 | (843) 767-1100 |
| Charleston County Aviation Authority - Administrative Offices Charleston Internati, Charleston 29401 | (843) 767-7000 |
| Charleston County Aviation Authority - Paging 5500 International Boulevard Suite 101, Charleston 29401 | (843) 767-7009 |
| U.S. Airways City Ticket Office 135 King Street, Charleston 29401 | (843) 577-0387 |