Post Office-Willmar

Address

401 Trott Ave SW, Willmar, MN 56201

Phone

(320) 235-2472

Website

tools.usps.com/find-location.htm?y_source=1_MzM5NjI2Mi00NDAtbG9jYXRpb24ud2Vic2l0ZQ==&searchRadius=10&address=56201&locationType=po

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

Listing details from Overture Maps open data.