| Business | Phone |
| Us Post Office 1020 Garrison Ave, Fort Smith 72901 | (479) 785-5200 |
| Us Post Office 2712 Market Trce, Fort Smith 72908 | (479) 648-2816 |
| Us Post Office 3100 Wirsing Ave, Fort Smith 72904 | (479) 782-9015 |
| Us Post Office 3318 S 74th St, Fort Smith 72903 | (479) 484-6410 |
| Us Post Office 3400 Rogers Ave, Fort Smith 72903 | (479) 783-7898 |
| Us Post Office 5200 S 32nd St, Fort Smith 72903 | (479) 646-7190 |