Lost or Stolen Debit, ATM and Credit Cards

To report a lost or stolen CheckMate Debit Card or ATM Card:
  • Call 210.938.7850
  • Press “1” for Debit and ATM cards and then press “3”
To report a lost or stolen Mastercard Credit Card:
  • Call 210.938.7850
  • Press “8”
  • Or
  • Call 1.800.252.1139 (toll-free US)
  • 531.233.6187 (International)
To report fraud on a Mastercard Credit Card:
  • Call 210.938.7850
  • Press “8”
  • Or
  • Call 1.800.252.1139 (toll-free US)
  • 531.233.6187 (International)