Banks use the Federal Reserve Bank for short-term loans and services such as check processing. There are 13 regional Federal Reserve Banks that serve different areas of the country. Click here to visit the regional Federal Reserve Bank that offers services to California Banks
Savings banks (the official name of Savings Banks typically has the letters "F.S.B." or the words "Savings" or "Savings Bank" in their name), it is likely regulated by the the Office of Thrift Supervision. Click the following link to get the contact information for the regulator of Savings Banks in California
