Post Offices
Post Offices in & near Onaka, South Dakota. Operating hours, locations, phone/fax number, services information.
Onaka Post Office
Post Office in Onaka, South Dakota on Main St. Operating hours, phone number, services information, and other locations.
Address: 123 Main St, Onaka, SD 57466
Phone: 605-447-5885
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 12:00pm, 1:00pm - 3:30pmTuesday 8:30am - 12:00pm, 1:00pm - 3:30pm
Wednesday 8:30am - 12:00pm, 1:00pm - 3:30pm
Thursday 8:30am - 12:00pm, 1:00pm - 3:30pm
Friday 8:30am - 12:00pm, 1:00pm - 3:30pm
Saturday 8:30am - 10:00am
Sunday Closed
Lobby Hours
Monday 3:00pmTuesday 3:00pm
Wednesday 3:00pm
Thursday 3:00pm
Friday 3:00pm
Saturday 3:00pm
Sunday Closed
Last Collection Times
Monday 8:30am - 12:00pm, 1:00pm - 3:30pmTuesday 8:30am - 12:00pm, 1:00pm - 3:30pm
Wednesday 8:30am - 12:00pm, 1:00pm - 3:30pm
Thursday 8:30am - 12:00pm, 1:00pm - 3:30pm
Friday 8:30am - 12:00pm, 1:00pm - 3:30pm
Saturday 8:30am - 10:00am
Sunday Closed