Post Offices

Post Offices in & near Rosendale, Minnesota. Operating hours, locations, phone/fax number, services information.

Cosm Post Office

Post Office in Cosmos, Minnesota on Milkyway St S. Operating hours, phone number, services information, and other locations.

Address: 235 Milkyway St S, Cosmos, MN 56228
Phone: 320-877-7722
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 7:30am - 1:30pm
Tuesday 7:30am - 1:30pm
Wednesday 7:30am - 1:30pm
Thursday 7:30am - 1:30pm
Friday 7:30am - 1:30pm
Saturday 8:15am - 9:30am
Sunday Closed

Lobby Hours

Monday 2:00pm
Tuesday 2:00pm
Wednesday 2:00pm
Thursday 2:00pm
Friday 2:00pm
Saturday 2:00pm
Sunday Closed

Last Collection Times

Monday 7:30am - 1:30pm
Tuesday 7:30am - 1:30pm
Wednesday 7:30am - 1:30pm
Thursday 7:30am - 1:30pm
Friday 7:30am - 1:30pm
Saturday 8:15am - 9:30am
Sunday Closed