| A | Street address matches, but postal code does not match. | address_number = pass, postal_code = fail | decline |
| B | Street address matches, postal code not verified (non-U.S. Visa cards). | address_number = pass, postal_code = unknown | pass |
| C | Neither street address nor postal code match (non-U.S. Visa cards). | address_number = fail, postal_code = fail | decline |
| D & M | Both street address and postal code match (non-U.S. Visa cards). | address_number = pass, postal_code = pass | pass |
| E | AVS data invalid or not allowed for this card type. | address_number = fail, postal_code = fail | decline |
| F | Postal code matches, but cardholder name does not match (Amex only). | card_name = fail, postal_code = pass | pass |
| G | Non-U.S. issuing bank does not support AVS. | non-supported | decline |
| H | Street address and postal code match, cardholder name does not (Amex only). | card_name = fail, address_number = pass, postal_code = pass | pass |
| I | Address not verified (non-U.S. Visa cards). | address_number = unknown, postal_code = unknown | decline |
| K | Cardholder name matches, but address and postal code do not match (Amex). | card_name = pass, address_number = fail, postal_code = fail | decline |
| L | Cardholder name and postal code match, but address does not match (Amex). | card_name = pass, address_number = fail, postal_code = pass | pass |
| M | Both street address and postal code match. | address_number = pass, postal_code = pass | pass |
| N | Neither street address nor postal code match. | address_number = fail, postal_code = fail | decline |
| O | Cardholder name and address match, but postal code does not match (Amex). | card_name = pass, address_number = pass, postal_code = fail | decline |
| P | Postal code matches, but street address not verified (non-U.S. Visa). | address_number = unknown, postal_code = pass | pass |
| R | System unavailable. | address_number = unknown, postal_code = unknown | pass |
| S | U.S.-issuing bank does not support AVS. | non-supported | pass |
| T | Cardholder name does not match, but address matches (Amex only). | card_name = fail, address_number = pass, postal_code = unknown | pass |
| U | Address information unavailable (e.g., AVS not functioning). | address_number = unknown, postal_code = unknown | pass |
| V | Cardholder name, address, and postal code match (Amex only). | card_name = pass, address_number = pass, postal_code = pass | pass |
| W | Street address does not match, but 9-digit postal code matches. | address_number = fail, postal_code = pass | pass |
| X | Street address and 9-digit postal code match. | address_number = pass, postal_code = pass | pass |
| Y | Street address and 5-digit postal code match. | address_number = pass, postal_code = pass | pass |
| Z | Street address does not match, but 5-digit postal code matches. | address_number = fail, postal_code = pass | pass |
| 1 | AVS not supported for this processor or card type. | non-supported | pass |
| 2 | Unrecognized value for AVS response. | address_number = unknown, postal_code = unknown | pass |
