You should thing first, do you need another credit card, will you use another credit card, do you know what credit card you will consider to applying for? if you don't know with is the best credit card first check out credit card
selection page to look for the best credit card then thing with credit agency will check your credit report
Chase-most of the time Trasunion
Citi- Equifax and Experian
Bank of American- Experian
Citi-Equifax and Experian
then try to increase your credit limit while activating your new credit card! because if you have high credit limit your credit-debt ratio will be lower! lower debt credit ratio mean only one thing higher fico as well fako credit score!!!