| First Data AVS RESPONSE Codes |
| A | Address Match Only. |
Address & 5 Digit Zip Match |
| B | Address match for non-US transaction. Postal code not verified. |
| C | Address & postal code not verified for non-US transaction. |
| D | Address & postal code match for non-US transaction. |
| E | Addresss Verification Not Allowed for Card Type. |
| G | Global Non-AVS participant. Non-U.S. card issuing bank does not support AVS. |
| I | Address information not verified for non-US transaction. |
| M | Address and postal code match for non-US transaction. |
| N | Neither the Address nor Zip Match. |
| P | Postal code match for non-US transaction. Address not verified. |
| R | Retry/System unavailable. |
| S | Service not supported. |
| U | Address information not verified for domestic transaction. |
| W | 9-digit ZIP match only. |
Card number Not on File. |
| X | Address & 9-digit ZIP Match. |
| Y | Address & 5 Digit Zip Match. |
Address match only. |
| Z | 5 Digit Zip Match Only |