Post Offices
Post Offices in & near De Smet, South Dakota. Operating hours, locations, phone/fax number, services information.
De Sm Post Office
Post Office in De Smet, South Dakota on Calumet Ave SW. Operating hours, phone number, services information, and other locations.
Address: 119 Calumet Ave SW, De Smet, SD 57231
Phone: 605-854-3440
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 11:00am, 12:30pm - 4:30pmTuesday 9:00am - 11:00am, 12:30pm - 4:30pm
Wednesday 9:00am - 11:00am, 12:30pm - 4:30pm
Thursday 9:00am - 11:00am, 12:30pm - 4:30pm
Friday 9:00am - 11:00am, 12:30pm - 4:30pm
Saturday 9:30am - 10:15am
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 9:00am - 11:00am, 12:30pm - 4:30pmTuesday 9:00am - 11:00am, 12:30pm - 4:30pm
Wednesday 9:00am - 11:00am, 12:30pm - 4:30pm
Thursday 9:00am - 11:00am, 12:30pm - 4:30pm
Friday 9:00am - 11:00am, 12:30pm - 4:30pm
Saturday Closed
Sunday Closed
Lake Preston Post Office
Address: 220 Main Ave N, Lake Preston, SD 57249
Phone: 605-847-4627
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Bryan Post Office
Address: 114 W Main St, Bryant, SD 57221
Phone: 605-628-2581
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Iroqu Post Office
Address: 199 S Ottowa St, Iroquois, SD 57353
Phone: 605-546-2340
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Oldham Post Office
Address: 105 N Lillie Ave, Oldham, SD 57051
Phone: 605-482-8492
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Carthag Post Office
Address: 121 Main St E, Carthage, SD 57323
Phone: 605-772-4861
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457