For assistance with the (formerly known as the BuyPower Card), use the following contact information based on your card issuer. Primary Customer Service Numbers Goldman Sachs (Current Issuer) : Call 1-833-773-0988 . Live Representatives : Available 24/7.
: Some newer GM Rewards cards are issued by Barclays. Check the back of your card for the most accurate number. gm buy power card customer service number
: Press 1 for English to be directed to a live agent. For assistance with the (formerly known as the