Request a number for free if you do not have one.
A Social Security number is a 9-digit number that’s unique to you. You may need your Social Security number to:
File taxes
Start a job
Open a bank account
Apply for a loan
Get a passport
Claim government benefits
Apply for a Social Security number
If you’re in the U.S., you can apply online, then go to a local Social Security office to provide your documentation. Once your application is approved, you’ll receive a Social Security card with your number on it by mail within 14 days.
Start application
Who can request a Social Security number
All U.S. citizens can request a Social Security number. Some noncitizens may be able to request a number if they work or attend school, or if they have a valid nonwork reason.
People who may need a new Social Security number include:
Noncitizens (PDF)
International students (PDF)
Foreign workers (PDF)
Citizen children (PDF)
Deferred Action for Childhood Arrivals applicants (PDF)
Domestic violence survivors (PDF)
