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Social Security Offices in Mason City, Iowa

1 office · Cerro Gordo County

Mason City has one Social Security field office, in Cerro Gordo County. It serves the city and the surrounding area, the closest office for 67 nearby communities, and is one of Iowa's 17 field offices. Its address, hours, phone number, and directions are below.

office in city
1
communities served
67
people in service area
54K
county
Cerro Gordo County
to next-nearest city
39 mi

The Mason City office on the map

1 location, Social Security offices in Mason City. Click a pin for the address and a link.

The Mason City Social Security office

Visiting a Mason City office

  • Most services now require an appointment. Book by calling the office or 1-800-772-1213 (TTY 1-800-325-0778).
  • Bring a photo ID and your Social Security number, plus original documents for your request.
  • Field offices are open weekdays only and closed on federal holidays. Check the exact hours on each office page above.
  • Skip the trip when you can: replace a card, get a benefit letter, or update direct deposit online at ssa.gov.

Towns served by the Mason City office

Many nearby towns have no Social Security office of their own, so the Mason City office is their closest option. It's the nearest field office for 67 surrounding communities, the largest is Clear Lake (7,574 residents):

Town Distance Population
Clear Lake, IA 6.7 mi 7,574
Nora Springs, IA 12 mi 1,341
Manly, IA 10 mi 1,246
Rockwell, IA 11.4 mi 1,060
Ventura, IA 11.7 mi 701
Plymouth, IA 9.3 mi 368
Fertile, IA 11.9 mi 302
Hanlontown, IA 11.4 mi 204
Rock Falls, IA 9.2 mi 147
Swaledale, IA 12.1 mi 141
Portland, IA 6.3 mi 27
Burchinal, IA 5.8 mi 20

…and 55 more nearby communities closest to this office.

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Other Social Security offices near Mason City

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Mason City Social Security offices: FAQs

How many Social Security offices are in Mason City?
Mason City, Iowa has 1 Social Security field office, listed below with its address, hours, and phone number.
Do I need an appointment at the Mason City office?
Since 2025 the SSA asks most visitors to book an appointment before coming in. Call the office directly or the national line at 1-800-772-1213 (TTY 1-800-325-0778) to schedule one and cut your wait.
What should I bring to a Mason City Social Security office?
Bring a photo ID and your Social Security number, plus original documents for your request, for example, proof of identity and citizenship or immigration status for a new or replacement card.
What's the nearest Social Security office to Mason City?
The closest field office outside Mason City is in Austin, about 39 miles away. More nearby offices are listed on this page.
Can I avoid visiting a Mason City office?
Many tasks, replacing a card, checking an application, getting a benefit verification letter, or updating direct deposit, can be done online with a free my Social Security account at ssa.gov, with no visit needed.