If someones name is on a credit card, can they access other information if it's not in their name?

My husband and I are getting a divorce. We have a joint bank account together and we're trying to get everything settled. My husband has access to the cards information, but not the online account information. I made a new bank account to transfer my funds into. Thing is, I get a prepaid card from my work to pay for my internet usage because I work from home. It's a decent amount of money and it really helps me out with paying my bills. He wants it, but I absolutely need it for my job. I transferred the money that was on the prepaid card to my new account. My question is, will the credit card company give out the information of the account that it was transferred to if my husband's name is still on the card? Like I said, he doesn't have the online account information, but he does have the cards information. Is there any information he can get from it, like my new address or bank information? The only reason I'm asking this is because he usually did all the banking and I'm a bit of an armature in comparison.

My credit card company is Citi, by the way.
Asked Jul 09, 2016

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