AVS Codes

AVS Checks are enabled at the merchant level, and the information is passed to the issuer. It's at the discretion of the issuer to approve or decline the transaction. The AVS response is returned in the response message from the issuer for interpretation by the merchant.

Successful AVS Response Codes

Code	Meaning	Brand	Region	Address Match	Postal Match
Y	Address Matches	All	US	Yes	Yes, 5 digit
X	Exact Matches	Visa,Amex,Disc	US	Yes	Yes, 9 digit
F	N/A	Visa	US	Yes	Yes
D	N/A	Visa	Non-US	Yes	Yes

Partially Successful AVS Response Codes

Code	Meaning	Brand	Region	Address Match	Postal Match
A	Address Matches	All	All	Yes	No
Z	Zip Matches	Visa,Amex	All	No	Yes, 5 or 9 digit
Z	Zip Matches	MC,Disc	All	No	Yes, 5 digit
W	Whole Zip Matches	MC,Disc	US	No	Yes, 9 digit Zip
P	Postal Matches	Visa	Non-US	No, incompatible address	Yes

Failure AVS Response Codes

Code	Meaning	Brand	Region	Address Match	Postal Match
N	No Matches	All	All	No	No

Unsuccessful AVS Response Codes

Code	Meaning	Brand	Region	Description
R	Retry	All	All	AVS Unavailable, Try again
S	Not Supported	MC,Amex,Disc	All	Issuer doesn't support AVS
U	Unavailable	MC,Amex,Disc	All	AVS not available from issuer or processor
U	Unavailable	Visa	US	AVS not available from issuer or processor
G	N/A	Visa,Disc	Non-US	Address Verification System not able to verify international address, or no attempt was made.
blank	N/A	All	All	A blank response indicates address verification was not attempted.