Countrywide Financial Corp. has opened its 21st Southern California location in Calabasas. The financial center, located across from The Commons at Calabasas, offers CDs, IRA CDs, money market and savings accounts. Since it launched in 2001, Countrywide Bank has grown to assets of $88 billion and now ranks as the 11th largest bank in the nation based on assets. Calabasas-based Countrywide in recent days announced plans to convert its banks to savings and loans.