To report a lost or stolen MasterCard/DEBIT/ATM cards please call 417.886.5355. If after hours, please call 1.800.472.3272.
24/7 Phone Teller Audio Response 417.882.5409
To activate a MasterCard 1.800.992.3808
In case of Emergency, contact MasterCard at 1.800.627.8372
To learn why a charge was denied after TelComm CU business hours within the United States call 1.800.472.3272 (You will be asked your name, phone number and Social Security Number for verification)