Home>Choose State>Cities in Iowa>Institutions in Clinton>Sterling Federal Bank Locations in Clinton Sterling Federal Bank Branch Locations in Clinton, IA 1. Sterling Federal Bank - Downtown Branch 247 Seventh Avenue South, Clinton, IA 52732 (563) 242-9111 View Branch 2. Sterling Federal Bank - Clinton Main Branch 122 Main Avenue, Clinton, IA 52732 (563) 242-9111 View Branch