| Code | Visa | Mastercard | Discover | American Express |
|---|---|---|---|---|
| A | Street address matches, ZIP does not | Street address matches, ZIP does not | Street address matches, ZIP does not | Street address matches, ZIP does not |
| B | The street address matches, but ZIP has not been verified. | Not applicable | Not applicable | Not applicable |
| C | The street address and ZIP were not verified | Not applicable | Not applicable | Not applicable |
| D | The street address and ZIP match (International Only) | Not applicable | Not applicable | Not applicable |
| E | AVS data is invalid or AVS is not allowed for this card type. | Not applicable | Not applicable | Not applicable |
| F | The street address and postal code match (UK Only) | Not applicable | Not applicable | The street address matches, card member’s name does not match |
| G | Non-U.S. issuing bank does not support AVS. | Not applicable | Not applicable | Not applicable |
| I | Address information not verified for international transaction | Not applicable | Not applicable | Not applicable |
| K | Not applicable | Not applicable | Not applicable | Card member’s name matches |
| L | Not applicable | Not applicable | Not applicable | Card member name and ZIP match |
| M | The street address and postal code match (International Only) | Not applicable | Not applicable | Card member name, street address, and ZIP code match |
| N | The street address and ZIP code do not match | The street address and ZIP code do not match | The street address and ZIP code do not match | The street address and ZIP code do not match |
| O | Not applicable | Not applicable | Not applicable | Card member’s name and street address match |
| P | Zip code matches, street address unverifiable due to incompatible formats (International Only) | Not applicable | Not applicable | Not applicable |
| R | System unavailable, retry | System unavailable, retry | System unavailable, retry | System unavailable, retry |
| S | AVS not supported | AVS not supported | AVS not supported | AVS not supported |
| T | Not applicable | Not applicable | 9-Digit ZIP matches, street address does not | Not applicable |
| U | Address information unavailable. Returned if the U.S. bank does not support non-U.S. AVS or if the AVS in a U.S. bank is not functioning properly. | Address information unavailable | Address information unavailable | Address information unavailable |
| W | 9-Digit ZIP matches, street address does not | 9-Digit ZIP matches, street address does not | 9-Digit ZIP matches, street address does not | The card member name, ZIP, and street address do NOT match |
| X | 9-Digit ZIP and street address match | 9-Digit ZIP and street address match | 9-Digit ZIP and street address match | Not applicable |
| Y | 5-Digit ZIP and street address match | 5-Digit ZIP and street address match | 5-Digit ZIP and street address match | 5-Digit ZIP and street address match |
| Z | 5-Digit ZIP matches, street address does not | 5-Digit ZIP matches, street address does not | 5-Digit ZIP matches, street address does not | 5-Digit ZIP matches, street address does not |