AVS Response Codes
Address Verification Service (AVS) is a fraud-prevention service that determines the match of a cardholder's address. AVS responses help you determine if a transaction is valid in card-not-present environments.
AVS Response Codes
| Response Code | Message |
| X | Match of address and 9-digit zip code |
| Y | Match of address and 5-digit zip code |
| W | Match of 9-digit zip code; address does not match |
| Z | Match of 5-digit zip code; address does not match |
| A | Address: Address Matches ZIP Does Not Match |
| N | No: Address and ZIP Do Not Match |
| G | Address information not verified |
| S | Service Not Supported: Issuer does not support address verification |
| U | Address information is unavailable |
| E | Error: Transaction ineligible for address verification |
| R | Retry: System Unavailable or Timeout |