Popularity:#4 of 6 Post Offices in Dakota County#299 of 473 Post Offices in Nebraska#20,792 in Post Offices
Address, Phone Number, and Hours for South Sioux City Post Office, a Post Office, at West 29th Street, South Sioux NE.
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The South Sioux City Post Office, located in South Sioux, NE, is a branch location of the United States Postal Service (USPS) that serves the South Sioux community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.You may contact the Post Office for questions about: