South Dakota · Checked Against SSA's Locator October 1, 2026

Social Security Offices Near North Sioux City, SD

Where Is the Social Security Office Nearest North Sioux City, SD?

SSA assigns North Sioux City, SD's ZIP code, 57049, to the Sioux City Social Security Office at 3555 Southern Hills Dr, Sioux City, about 9.4 miles away, phone (866) 338-2859, open Monday to Friday, 9:00 AM to 4:00 PM.

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Closest Social Security Offices to North Sioux City, SD

Straight-line distance from the center of North Sioux City (U.S. Census Gazetteer) to each office's address (U.S. Census Bureau geocoder). Office hours and phone numbers from SSA's office data, checked against SSA's Office Locator on October 1, 2026; confirm with SSA's Office Locator before you go.

Map of Social Security Offices Near North Sioux City

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Social Security office

Which Social Security Office Serves Your ZIP Code in North Sioux City?

SSA assigns North Sioux City's ZIP code, 57049, to the Sioux City Social Security Office in Sioux City. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.

Social Security office assigned to each ZIP code in North Sioux City
ZIP codeOffice SSA assignsDistance
57049Sioux City Social Security Office for ZIP code 570499.5 miles

ZIP code 57049 goes to the Sioux City Social Security Office, 3555 Southern Hills Dr, Sioux City.

Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps North Sioux City (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.

Social Security Offices Near Areas Around North Sioux City

Where people in nearby communities go, and how far it is. Each area's office is the one SSA assigns to its ZIP codes.

Social Security Office Near Dakota Dunes

Dakota Dunes is about 2.9 miles south of central North Sioux City. SSA assigns its ZIP code, 57049, to the Sioux City Social Security Office at 3555 Southern Hills Dr, Sioux City, open Monday to Friday, 9:00 AM to 4:00 PM.

How to Get an Appointment at the Sioux City Social Security Office

SSA asks you to make an appointment before you visit an office. You can schedule one online on SSA's appointment page by answering a few questions; the appointment may be by phone or in person, and you can change or cancel it from the confirmation email or text.

To book by phone, call the Sioux City Social Security Office at (866) 338-2859, or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. Help is available in English, Spanish and other languages.

See office hours and appointments for the best times to call and visit.

Can You Skip the Trip?

You can often replace a card, update your address or get a benefit letter online with a my Social Security account. If you need to go in, check what to bring.

Social Security Offices Near Other South Dakota Cities

Frequently Asked Questions

Where Is the Social Security Office in North Sioux City?

There isn't an office in North Sioux City, SD itself. The closest is the Sioux City Social Security Office, 3555 Southern Hills Dr, Sioux City, IA 51106, about 9.4 miles away.

Which Social Security Office Serves My ZIP Code in North Sioux City?

SSA assigns North Sioux City's ZIP code, 57049, to the Sioux City Social Security Office in Sioux City. SSA assigns offices by ZIP code, and the assigned office isn't always the closest one. Look up your ZIP code in the table on this page or in SSA's Office Locator.

What Are Social Security Office Hours Near North Sioux City?

The Sioux City Social Security Office is open Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (checked against SSA's Office Locator on October 1, 2026). Offices close on weekends and federal holidays.

What Is the Phone Number for the Social Security Office Near North Sioux City?

SSA lists (866) 338-2859 for the Sioux City Social Security Office. SSA's national number is 1-800-772-1213.

How Do I Make an Appointment at the Social Security Office Near North Sioux City?

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Sioux City Social Security Office at (866) 338-2859 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. SSA asks you to make an appointment before visiting an office.

Every Social Security office in South Dakota

Sources

  1. Social Security Administration, field office and resident station data (updated March 9, 2026)
  2. SSA Office Locator (offices and ZIP code assignments, checked October 1, 2026)
  3. U.S. Census Bureau: geocoder, 2023 Gazetteer files and 2020 ZIP Code Tabulation Area relationship files
  4. SSA: Make an appointment
  5. SSA: Contact by phone
  6. SSA: Office locator guidance (appointments and Card Centers)

Independent site, not affiliated with the Social Security Administration. Office addresses, phone numbers and hours come from SSA's public office data. To apply for benefits or manage your record, go to SSA directly at ssa.gov.