Post Offices
Post Offices in & near North Sioux City, South Dakota. Operating hours, locations, phone/fax number, services information.
North Sioux City Post Office
Post Office in North Sioux City, South Dakota on N Derby Ln. Operating hours, phone number, services information, and other locations.
Address: 310 N Derby Ln, North Sioux City, SD 57049
Phone: 605-232-4206
Fax: 605-232-3165
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 4:30pmTuesday 9:00am - 4:30pm
Wednesday 9:00am - 4:30pm
Thursday 9:00am - 4:30pm
Friday 9:00am - 4:30pm
Saturday 9:00am - 11:30am
Sunday Closed
Lobby Hours
Monday 4:45pmTuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 4:30pm
Sunday Closed
Last Collection Times
Monday 9:00am - 3:45pmTuesday 9:00am - 3:45pm
Wednesday 9:00am - 3:45pm
Thursday 9:00am - 3:45pm
Friday 9:00am - 3:45pm
Saturday 9:00am - 11:30am
Sunday Closed