AVS codes

The table below outlines the address verification codes used by Checkout.com and their meanings.

AVS code	Scheme(s)	Description
`A`	AMEX, Mastercard, Visa	Street address matches, ZIP code does not match
`B`	Visa	Street address matches. ZIP code not verified (incorrect format)
`C`	Visa	Street address and ZIP code not verified (incorrect format)
`D`	Visa	Street address and ZIP code match
`F`	Visa	Street address and ZIP code match. Applies to UK-issued cards
`G`	Visa	Not verified or not supported
`I`	Visa	Street address and ZIP code not verified
`M`	Visa	Street address and ZIP code match
`N`	AMEX, Mastercard, Visa	Street address and ZIP code do not match
`P`	Visa	ZIP code matches. Street address not verified (incorrect format)
`R`	AMEX, Mastercard, Visa	Service unavailable
`S`	AMEX, Mastercard	Not supported
`U`	AMEX, Mastercard, Visa	Address not verified due to lack of issuer support or system malfunction
`W`	Mastercard	ZIP code matches, street address does not
`X`	Mastercard	ZIP code and address match
`Y`	AMEX, Mastercard, Visa	Cardholder street address and ZIP code match
`Z`	AMEX, Mastercard, Visa	ZIP code matches
`AE1`	AMEX	Cardholder name incorrect but ZIP code match
`AE2`	AMEX	Cardholder name incorrect, but street and ZIP code match
`AE3`	AMEX	Cardholder name incorrect, but street match
`AE4`	AMEX	Cardholder name matches
`AE5`	AMEX	Cardholder name and ZIP code match
`AE6`	AMEX	Cardholder name, street, and ZIP code match
`AE7`	AMEX	Cardholder name and street match
`AE8`	AMEX	Cardholder name, street and ZIP code do not match

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