Some prompts may vary based on the terminal setup.
Visa Codes
Y: Address and ZIP match ; Domestic only.
A: Address matches, ZIP does not.
S: AVS not supported at this time; Domestic only.
R: Unable to verify address because either address information is unavailable or issuer does not support AVS Domestic only.
U: Either five-digit or nine-digit ZIP matches, address does not or not is included in request.
Z: Neither the ZIP nor the address matches.
N: Address matches, ZIP not verified.
B: ZIP matches, address not verified.
P: Address and ZIP not verified due to incompatible formats.
C: Address and ZIP match; International only.
D: Address not verified for International transaction; International only.
G: Address not verified for International transaction; International only.
I: Address not verified; International only.
M: Address and ZIP match; International only.
Mastercard Codes
Y: Exact, all digits match, five-digit ZIP.
A: Address matches, ZIP does not.
S: AVS not supported at this time.
R: Retry, system unable to process.
U: No data from Issuer/Authorization system.
Z: five-digit ZIP matches, but address does not.
N: Neither the ZIP, nor the address matches.
W: For US addresses, nine-digit ZIP matches, but address does not; for address outside US, ZIP matches, but address does not.
Discover Codes
Y: Address only matches.
A: Address and five-digit ZIP match.
S: AVS not supported at this time.
U: Retry, system unable to process.
Z: Five-digit ZIP matches, but address does not.
American Express Codes
Y: Yes, address and ZIP are both correct.
A: Address only is correct.
S: AVS not supported at this time.
R: System unavailable; retry.
U: The necessary information is not available, account number is neither US nor Canadian.
Z: ZIP only is correct.
N : Neither the ZIP nor the address matches.