| Business | Phone |
| County Ambulance Mertzon 76941 | (325) 000-1111 |
| Irion County Extension Agent 209 N Parkview St, Mertzon 76941 | (325) 835-2711 |
| Irion County Justice-The Peace 209 Parkview St, Mertzon 76941 | (325) 835-4141 |
| Social Worker 209 N Parkview St, Mertzon 76941 | (325) 835-3221 |