Check my Apple Card number with serial code

I’m not sure what you’re trying to do, but I’m guessing you’re referrring to an Apple Gift Card and not an Apple Card MasterCard. Please contact Apple Gift Card Support

Apple Card’s are Mastercards. Is that what you’re inquiring about? If so, please follow the steps in this Apple Support article. 

If you can't redeem your Apple Gift Card or App Store & iTunes Gift Card - Apple Support

If after reviewing the article, and following the directions in the article, you need additional assistance please follow the link below to contact official Apple Support. 

Contact Apple Gift Card Support

Check my Apple Card with serial code