AVS and card verification codes
Explore address and card codes.
Address verification service (AVS) response codes
Address verification service is provided by the payment brands to determine the match or partial match of the cardholder’s address information. The responses returned to you via your transaction processing software/hardware during the authorization process can help determine your next action — approval, exception or decline.
Code: A
Visa® CVV2: Address matches, ZIP does not
Mastercard® CVC2: Address matches, ZIP does not
Discover® CVD: Address & 5-digit ZIP match
American Express® CID: Address only matches
Code: B
Visa® CVV2: Address matches, ZIP not verified
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: C
Visa® CVV2: Address & ZIP not verified
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: D
Visa® CVV2: Address & ZIP match (International only)
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: F
Visa® CVV2: Address & ZIP not verified
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: G
Visa® CVV2: Address not verified for International transaction (International only)
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: I
Visa® CVV2: Address & ZIP match (UK only)
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: M
Visa® CVV2: Address & ZIP match (International only)
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: N
Visa® CVV2: Address not verified (International only)
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: P
Visa® CVV2: ZIP matches, address not verified
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: R
Visa® CVV2: ZIP matches, address not verified
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Code: S
Visa® CVV2: AVS not supported
Mastercard® CVC2: AVS not supported
Discover® CVD: AVS not supported
American Express® CID: AVS not supported
Code: T
Visa® CVV2: Not applicable
Mastercard® CVC2: Not applicable
Discover® CVD: 9-digit ZIP matches, address does not
American Express® CID: Not applicable
Code: U
Visa® CVV2: Information not available
Mastercard® CVC2: Information not available
Discover® CVD: System unavailable, retry
American Express® CID: Information not available
Code: W
Visa® CVV2: Not applicable
Mastercard® CVC2: For U.S., 9-digit ZIP matches, address does not. For non-U.S., ZIP matches, address does not.
Discover® CVD: Information not available
American Express® CID: Not applicable
Code: X
Visa® CVV2: Not applicable
Mastercard® CVC2: For U.S., all digits match. For non-U.S., ZIP & address match.
Discover® CVD: Address & 9-digit ZIP match
American Express® CID: Not applicable
Code: Y
Visa® CVV2: Address & 5- or 9-digit ZIP match
Mastercard® CVC2: Address & 5-digit ZIP match
Discover® CVD: Address only matches
American Express® CID: Address & ZIP match
Code: Z
Visa® CVV2: Address & ZIP match (International only)
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Not applicable
Card verification codes - CVV2, CVC2, CVD and CID
The three- or four-digit codes on the back of payment cards used to further authenticate the consumer during a card-not-present transaction are collectively referred to as card verification data (CVD). During the authorization process, you receive response messages that can help determine your next action — approval, exception or decline.
CVV2/CVC2/CVD/CID codes may vary based on processing network or equipment. If the response codes displayed on your equipment or software are not listed below, please call the technical support number provided with your hardware or software.
Code: M
Visa® CVV2: Match
Mastercard® CVC2: Match
Discover® CVD: Match
American Express® CID: Not applicable
Code: N
Visa® CVV2: No match
Mastercard® CVC2: No match
Discover® CVD: No match
American Express® CID: No match
Code: P
Visa® CVV2: Not processed
Mastercard® CVC2: Not processed
Discover® CVD: Not processed
American Express® CID: Not applicable
Code: S
Visa® CVV2: Should have been present
Mastercard® CVC2: Should have been present
Discover® CVD: Should have been present
American Express® CID: Not applicable
Code: U
Visa® CVV2: Issuer unable to process
Mastercard® CVC2: Issuer unable to process
Discover® CVD: Issuer unable to process
American Express® CID: Issuer unable to process
Code: Y
Visa® CVV2: Not applicable
Mastercard® CVC2: Not applicable
Discover® CVD: Not applicable
American Express® CID: Match