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Activation and Support

Credit Card

Credit Card Activation and Support

Every Patelco MasterCard is designed for convenience and security. To activate your new MasterCard, call 866.762.0558 and do the following:

  1. Sign your new card upon receipt
  2. Activate your card from your primary phone
  3. Set your custom PIN
  4. Memorize your PIN and keep it private
  5. Destroy your old card

If you need help with your Mastercard, or if your card is lost or stolen, call 800.358.8228. From outside the United States, call 1 909 941 1034.