Quest MHSA
PO Box 309
Antlers, OK 74523
Phone: 580-298-3001
Toll Free: 877-298-3002
Fax: 580-298-5357

If you are a person served by Quest, please call 1-877-298-3002. If it is after business hours, you will be placed in contact with our answering service who will patch you through to your Clinician or our Clinical Director.