Adrian Bank cares about helping our customers and communities succeed. As a community bank, we would love the opportunity to be your partner in your success story. Visit our website or stop by our location. Member FDIC. Adrian Bank also operates under the registered trade name Premier Bank. This registered trade name is used by, and refers to, a single FDIC-insured bank, Premier Bank, Rock Valley, Iowa. Deposits under the trade name are deposits with Premier Bank and are aggregated for deposit insurance coverage up to allowable limits.