AVS Code Reference

Code	Visa	MasterCard	Discover	American Express
A	Address match, ZIP failed to match	Address matches, ZIP does not	Address and 5-digit or 9-digit ZIP match	Address matches, ZIP does not
B	Address match, ZIP not verified	Neither ZIP nor address match	Neither ZIP nor address match
C	Address and ZIP not verified	Not applicable	Not applicable	Not applicable
D	Full match on Address and ZIP	Not applicable	Not applicable	ZIP matches, name does not
E	Not applicable	Not applicable	Not applicable	Address and ZIP match, cardholder name does not
F	Address & ZIP match (UK only)	Not applicable	Not applicable	Not applicable
G	Address not verified (non-USA addresses)	Not applicable	Not applicable	Not applicable
I	Address not verified	Not applicable	Not applicable	Not applicable
K	Not applicable	Not applicable	Not applicable	Name matches
L	Not applicable	Not applicable	Not applicable	Name and ZIP match
M	Address & ZIP match (non-USA, non-UK addresses)	Not applicable	Not applicable	Name, address, and ZIP match
N	No match on Address or ZIP	Not applicable	Not applicable	No match on Address or ZIP
O	Not applicable	Not applicable	Not applicable	Name and address match
P	ZIP match, address not verified	Not applicable	Not applicable	Not applicable
R	System unavailable, retry	System unavailable, retry	Not applicable	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, address does not	Not applicable
U	Information not available	Information not available	Information not available	Information not available
W	Not applicable	Not applicable	Information not available	Not applicable
X	Not applicable	Not applicable	9-digit ZIP and address match	Not applicable
Y	Address and 5-digit or 9-digit ZIP match	Address and 5-digit ZIP match	Address match	Address and ZIP match
Z	ZIP match, no match on address	ZIP match, no match on address	ZIP match, no match on address	ZIP code match