Contact with Tinker Federal Credit Union is available by telephone at 800-456-4828 and by mail at P.O. Box 45750, Tinker AFB, OK 73145, states Tinker Federal Credit Union. The credit union offers a secure Web chat line at TinkerFCU.org. Its corporate office location is 4140 W. I-40, Oklahoma City, Oklahoma.
As of 2015, local Oklahoma telephone numbers for Tinker Federal Credit Union are 405-732-0324 in Oklahoma City; 918-592-0324 in Tulsa; 580-310-0324 in Ada; 405-707-7440 in Stillwater; and 580-233-3330 in Enid, notes the credit union. The Tinker Federal Credit Union website offers email contact, but the company cautions customers that email communication is not secure, and customers should not use it to send any confidential information.