Hermiston Post Office

Address

375 W Orchard Ave, Hermiston, OR 97838

Phone

(541) 564-7921

Website

tools.usps.com/find-location.htm?y_source=1_MzM3NjQ3OS00NDAtbG9jYXRpb24ud2Vic2l0ZQ%3D%3D&searchRadius=10&address=97838&locationType=po

Last checked September 23, 2026. Call ahead to confirm hours.

Listing details from Overture Maps open data.