| Business | Phone |
| U S Post Office 2nd St, Falcon Heights 78545 | (956) 848-5880 |
| U S Post Office 448 Post Office St, Falcon Heights 78545 | (956) 848-9220 |
| U S Post Office 4495 S Highway 83, Falcon Heights 78545 | (956) 848-5201 |
| U S Post Office S Fm 2098, Falcon Heights 78545 | (956) 848-5421 |