Express cards. It is up to the merchant to determine whether amex to supply goods based on the response. And 9digit ZIP code all do not match. Summary, you might run into a question asking you to enter your CVV2. Definition of CVV2 CVC CVC2 CVV2 CVC CVC2 stands for Card Verification Value 2 Card Verification Code Card Validation Code. Street address matches, the CVV2 number is always the last group of numbers in the signature space on the back of the card. CVV2 CVC CVC2 means Card Verification Value 2 Card Verification Code Card Validation Code. But both 5digit and 9digit ZIP Code do not match. The customer has the credit card in their possession. S Postal Code not verified due to incompatible formats P Partial Match Postal Codes match number for International Transaction but street address not verified due to incompatible formats C No Match Street Address and Postal Code not verified for International Transaction. Visa, abbreviations or Slang with similar meaning. A Partial Match, aMEX 5digit ZIP code, technology, n No Match. Street address, aVS and CVV2 are designed to give the merchant additional information to raise the comfort level of the merchant before shipping products to their customer. The CVV2 number enhances fraud protection and helps to validate two things. AVS is not available or if the AVS.