Mason City, IA · Social Security Field Office
625 Village Green Dr SW
Mason City, IA 50401
Call (866) 365-6708 for the Mason City Social Security OfficeDirections to the Mason City Social Security Office
Fax: (833) 515-0435
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
From SSA's office data, updated March 9, 2026, and checked against SSA's Office Locator on October 1, 2026. Closed on federal holidays.
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Many Social Security tasks don't need a visit. You can often replace a card, change your address or get a benefit verification letter online through a my Social Security account. If you do need to go in, see what to bring and how appointments work.
Office details come from SSA's office data (updated March 9, 2026). Offices move and hours change, so confirm with SSA's Office Locator and office closings page before you go.
SSA asks you to make an appointment before you visit an office. Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call this office at (866) 365-6708 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time.
If you only need a new or replacement Social Security card or to update your personal information, SSA directs you to a Card Center where your ZIP code has one.
SSA assigns 56 ZIP codes to this office. If yours is listed, this is the office to use:
5004150227504015042050423504245042650427504285043050431504325043350434504355043650438504395044050441504445044650447504485044950450504525045350454504555045650457504585045950460504615046450465504665046750468504695047150472504735047550476504775047850479504825048450616506205063350653
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
All Social Security offices in Iowa · Social Security offices near Mason City
Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (updated March 9, 2026). Offices are closed on weekends and federal holidays. Check SSA's office closings page before you go.
SSA's Office Locator assigns 56 ZIP codes to this office: 50041, 50227, 50401, 50420, 50423, 50424, 50426, 50427, 50428, 50430, 50431, 50432, 50433, 50434, 50435, 50436, 50438, 50439, 50440, 50441, 50444, 50446, 50447, 50448, 50449, 50450, 50452, 50453, 50454, 50455, 50456, 50457, 50458, 50459, 50460, 50461, 50464, 50465, 50466, 50467, 50468, 50469, 50471, 50472, 50473, 50475, 50476, 50477, 50478, 50479, 50482, 50484, 50616, 50620, 50633 and 50653. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
SSA lists (866) 365-6708 for this office and (833) 515-0435 as its fax number. SSA's national number is 1-800-772-1213.
625 Village Green Dr SW, Mason City, IA 50401.
The Austin Social Security Office in Austin, MN is about 39 miles away, phone (866) 504-5010. The next closest is Waterloo Social Security Office, about 63 miles away.
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.