just call in and check it with the bank 800 number. this doesnt work for cu since they usually ask for a memberid instead of cc number.
always use bindb.com search for bin issuer info and contact client service phone number
Good luck getting D+Ps on the darkweb first of all. Secondly get MSR, EMV reader writer, Use softwares to clone cards, Go to ATM and cashout. Easier said than done however!