Umpqua Bank- Ellensburg Share: Banks Umpqua Bank- Ellensburg Visit Website Request Info 118 W. 5th Ave Ellensburg, WA 98926- (509) 925-4134 1-888-678-7800 (509) 925-4237 (fax) About Map About The bank that believes in you. What's Nearby? Distance: 5 10 15 20 25 50 mi.