Pinnacle Bank is a financial institution located in Sioux City, Iowa. The firm provides a wide range of personal and business banking services. It offers budget, regular and preferred checking accounts. The firm provides Money Market, Money Market Advantage and Passbook Savings accounts. It also offers individual retirement accounts and certificates of deposit. The firm has a loan department that provides home, auto, college, vacation and home improvement loans. Its mortgage loan products include conventional fixed-rate, jumbo, balloon and construction loans. In addition, the bank offers telephone and Internet banking services. Pinnacle Bank is a member of the Federal Deposit Insurance Corporation.