Social Security Office — Mason City, IA (Mason City Ia)

📞 Office phone: (866) 365-6708

National helpline (for most questions): 1-800-772-1213

Office hours

Also closed on federal holidays. Lines are usually longest on Mondays and in the first week of the month; arriving well before closing is a good idea.

Before you go

• Appointments: many services now need one. Call the office or the national number first — it can save you a wasted trip.
• Bring photo ID (driver's license or passport) to every visit.
• Replacement card: bring an unexpired photo ID and proof of citizenship (birth certificate or passport). Originals, not photocopies.
• Applying for benefits: bring your birth certificate and recent pay stubs or W-2s if you have them.
• Skip the trip if you can: benefit letters, address changes, and card replacement (in most states) can be done free at ssa.gov.

More help: What to bring · Do you need an appointment? · Replacing a lost card

Other offices near Mason City

• Des Moines Ia, IA — Ste F, 455 Sw 5Th St, Des Moines, IA 50309 · (866) 964-7583
• Fort Dodge Ia, IA — 2315 2Nd Ave N, Fort Dodge, IA 50501 · (866) 839-6193
• Marshalltown Ia, IA — 2502 S 2Nd St, Marshalltown, IA 50158 · (877) 819-2595
• Waterloo Ia, IA — 3121 Greyhound Dr, Waterloo, IA 50701 · (888) 456-9554