Post Offices in & near South Sioux City, Nebraska. Operating hours, locations, phone/fax number, services information.
Post Office in South Sioux City, Nebraska on W 29th St. Operating hours, phone number, services information, and other locations.
Address: 801 W 29th St, South Sioux City, NE 68776
Phone: 402-494-1312
Fax: 402-494-1234
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
