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