Post Offices
Post Offices in & near Seneca, South Dakota. Operating hours, locations, phone/fax number, services information.
Seneca Post Office
Post Office in Seneca, South Dakota on Pine St. Operating hours, phone number, services information, and other locations.
Address: 200 Pine St, Seneca, SD 57473
Phone: 605-436-6243
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:00am - 12:00pmTuesday 10:00am - 12:00pm
Wednesday 10:00am - 12:00pm
Thursday 10:00am - 12:00pm
Friday 10:00am - 12:00pm
Saturday 9:30am - 11:30am
Sunday Closed
Lobby Hours
Monday 3:30pmTuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 3:30pm
Sunday Closed
Last Collection Times
Monday 10:00am - 12:00pmTuesday 10:00am - 12:00pm
Wednesday 10:00am - 12:00pm
Thursday 10:00am - 12:00pm
Friday 10:00am - 12:00pm
Saturday 9:30am - 11:00am
Sunday Closed