> For the complete documentation index, see [llms.txt](https://docs.payengine.co/payengine-api-v2.5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payengine.co/payengine-api-v2.5/error-and-response-codes/address-verification-codes.md). # Address verification codes

Code	Authorization Response Message	Response Definition
0	Approved	Address verification was not requested.
A	Address Match	The street address submitted matches what is on file.
B	Address Match	The street address submitted matches what is on file. The ZIP code does not match what was on file.
C	Service Unavailable	This service is not supported.
D	Exact Match	The street address submitted matches what is on file.
F	Exact Match	The street address and ZIP code submitted match what is on file. This applies to UK transactions.
G	Version Unavailable	The issuer does not participate in this service. This applies to non-US issuers.
I	Version Unavailable	The AVS information was not verified.
M	Exact Match	The street address submitted matches what is on file.
N	No Match	Neither the street address or ZIP code match what is on file.
P	Zip Match	The ZIP code submitted matches what is on file. The street address does not match what is on file.
R	Retry	The issuer system is currently unavailable.
S	Serv Unavailable	This service is not supported.
U	Ver Unavailable	AVS is unavailable.
W	Zip Match	The nine character ZIP code submitted matches what is on file.
X	Exact Match	The nine character ZIP code submitted matches what is on file.
Y	Exact Match	The five character ZIP code submitted matches what is on file.
Z	Zip Match	The nine character ZIP code submitted matches what is on file.
1	Cardholder name and ZIP match	AMEX only; The cardholder name and ZIP code submitted matches what is on file.
2	Cardholder name, address, and ZIP match	AMEX only; The cardholder name, address, and ZIP code submitted match what is on file.
3	Cardholder name and address match	AMEX only; The cardholder name and address submitted match what is on file.
4	Cardholder name match	AMEX only; The cardholder name submitted match what is on file.
5	Cardholder name incorrect, ZIP match	AMEX only; The cardholder name does not match what is on file. The ZIP code submitted matches what is on file.
6	Cardholder name incorrect, address and ZIP match	AMEX only; The cardholder name does not match what is on file. The address and ZIP code submitted matches what is on file.
7	Cardholder name incorrect, address match	AMEX only; The cardholder name does not match what is on file. The address submitted matches what is on file.
8	Cardholder, all do not match	AMEX only; Neither the cardholder name, address, or ZIP code match what is on file.