All Bank Branches In Coulee City, Washington Leave a Comment / By admin / October 30, 2018 List of all bank branches in Coulee City, Washington: Umpqua Bank Umpqua Bank-Coulee City Related posts: Glacier Bank-Grand Coulee Branch All Bank Branches In Grand Coulee, Washington Umpqua Bank-Coulee City Coulee Bank-Coulee Bank – Rochester