| Business | Phone |
| U S Post Office 111 N 6th St, Rockford 61107 | (815) 962-5963 |
| U S Post Office 1140 Broadway, Rockford 61104 | (815) 962-5964 |
| U S Post Office 2440 Kilburn Ave, Rockford 61101 | (815) 962-1335 |
| U S Post Office 401 S Main St, Rockford 61101 | (815) 962-5935 |
| U S Post Office 5225 Harrison Ave, Rockford 61125 | (815) 229-4811 |
| U S Post Office 557 S New Towne Dr, Rockford 61108 | (815) 227-0667 |
| Postal Shop 1643 N Alpine Rd 104, Rockford 61107 | (815) 397-7301 |