The following is a list of frequently requested telephone numbers. If you can't find what you are looking for, please call Dallas Regional Medical Center's main switchboard at (214) 320-7000. For patient names and room numbers, please contact the main switchboard for further assistance.
| Department | Phone Number |
| Administration | (214) 320-7787 |
| Human Resources | (214) 320-7798 |
| Main Operator | (214) 320-7000 |
| Medical Records (copies and release) | (214) 320-7158 |
| Medical Staff Department | (214) 320-7175 |
| Mesquite Diagnostics Imaging Center | (972) 686-1944 |
| Patient Accounts | (214) 320-7772 |
| Physician Referral Line | (877) 468-6327 |
| Scheduling | (214) 320-7776 |
| Wound Care Center | (214) 660-2580 |
