Post Offices
Post Offices in & near New Underwood, South Dakota. Operating hours, locations, phone/fax number, services information.
New Underwood Post Office
Post Office in New Underwood, South Dakota on S a Ave. Operating hours, phone number, services information, and other locations.
Address: 408 S a Ave, New Underwood, SD 57761
Phone: 605-754-6456
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 7:30am - 11:30am, 12:00pm - 2:00pmTuesday 7:30am - 11:30am, 12:00pm - 2:00pm
Wednesday 7:30am - 11:30am, 12:00pm - 2:00pm
Thursday 7:30am - 11:30am, 12:00pm - 2:00pm
Friday 7:30am - 11:30am, 12:00pm - 2:00pm
Saturday 7:30am - 9:00am
Sunday Closed
Lobby Hours
Monday 4:30pmTuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 9:45am
Sunday Closed
Last Collection Times
Monday 10:00am - 11:30am, 12:00pm - 1:00pmTuesday 10:00am - 11:30am, 12:00pm - 1:00pm
Wednesday 10:00am - 11:30am, 12:00pm - 1:00pm
Thursday 10:00am - 11:30am, 12:00pm - 1:00pm
Friday 10:00am - 11:30am, 12:00pm - 1:00pm
Saturday Closed
Sunday Closed