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.

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