| Business | Phone |
| Anchor Post Co 192 E Bay St, Charleston 29401 | (843) 722-5891 |
| Us Post Office 1964 Ashley River Rd # B, Charleston 29407 | (843) 763-0113 |
| Us Post Office 2106 Mount Pleasant St, Charleston 29403 | (843) 853-3686 |
| Us Post Office 2180 Mcmillan Ave, Charleston 29405 | (843) 744-7810 |
| Us Post Office 557 E Bay St, Charleston 29403 | (843) 722-3624 |
| Us Post Office 579 Folly Rd, Charleston 29412 | (843) 795-5006 |
| Us Post Office 7075 Cross County Rd, Charleston 29418 | (843) 760-5331 |
| Us Post Office 78 Sycamore Ave, Charleston 29407 | (843) 766-4031 |
| Us Post Office 83 Broad St, Charleston 29401 | (843) 577-0690 |