| Business | Phone |
| U S Post Office 761st Tank Battalion Ave, Killeen 76544 | (254) 287-2728 |
| U S Post Office 2403 W Stan Schlueter Loop, Killeen 76549 | (254) 501-8601 |
| U S Post Office 300 N 10th St, Killeen 76541 | (254) 634-0281 |
| U S Post Office 3100 S W S Young Dr, Killeen 76542 | (254) 554-3033 |
| U S Post Office 410 E Fm 2410 Rd, Killeen 76543 | (254) 699-2111 |