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It does - there is a 3 digit number on the back in the signature strip. The Amex website will ask you for it if you attempt to change your phone number, amongst
by BillinghamJ 10y ago
It does - there is a 3 digit number on the back in the signature strip. The Amex website will ask you for it if you attempt to change your phone number, amongst other similar high-risk transactions.
- baseh 10y agoI have been asked the 3 digit code when booking an airline ticket on a non-US site. During payment it passed through a amex safekey site which I think is kind of like 3d secure http://security.stackexchange.com/a/136296 http://security.stackexchange.com/a/136296
- deleted 10y ago[deleted]
- jpatokal 10y agoNot on mine there isn't. This may be a US-only thing? Some discussion, which doesn't shed a whole lot of light though: https://insideflyer.com/forums/threads/what-is-the-3-digit-code-on-the-back-of-an-amex-used-for.62078/ https://insideflyer.com/forums/threads/what-is-the-3-digit-c...
- BillinghamJ 10y agoAll of my UK Amex cards have it.
- newlog 10y agoAt least most Spanish credit cards use the 3-digits code on the back of the credit card. And it's almost always asked for (but not in amazon iirc).