Coulee Dam Federal Credit Union Address: 84 E Delaware Ave, Republic, WA 99166 Phone: (509) 775-3125 Banks, Credit Unions, Federally Chartered Credit Unions, Internet Service Other Businesses: Washington Federal at 702 S Clark Ave, Republic, WA 99166 Bank of America at 702 S Clark Ave, Republic, WA 99166 Tiffany's Resort at 58 Tiffany Rd, Republic, WA 99166 Black Beach Resort at 80 Blacks Beach Rd, Republic, WA 99166