| Police, Fire or Ambulance | 911 |
| Campus Police | 559-5555 |
| Health Services | 559-5713 |
| Ada Police Department | 332-4466 |
| ECU Physical Plant | 559-5377 |
| Pontotoc County Sheriff Department | 332-4168 |
| Mercy of Ada | 332-2323 |
| Animal Control | 332-4466 |
| Safety and Hazards Office | 405-521-3021 |
| Oklahoma State Department of Transportation | 405-521-3812 |
| Oklahoma State Department of Education | 405-521-3812 |