The NEW 5th Ave Citigold Client Center location at 666 5th Ave. and 52nd St. has a new look and a whole new way to bank. Citibank delivers a wide array of banking, mortgage, lending and investment services to individuals and small businesses. We also support the needs of small and large corporations, governments and institutional investors. In the U.S., we have over 700 branches, complemented by ATM's, online banking and mobile and tablet banking.