Guide to Apply for a Social Security Number (SSN)

The Social Security Number is the unique identifier issued in the United States that allows you to work legally, pay taxes, access social benefits, open bank accounts, and more. Here you will find a complete guide to understand what it is, who needs it, what documents are required, and how to complete the application.

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What is the SSN?

The Social Security Number (SSN) is a nine-digit identifier used by the U.S. government to track earnings, tax contributions, and eligibility for benefits. It is essential for employment, filing taxes, and accessing financial services.

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Who needs it?

Every U.S. citizen, permanent resident, and authorized worker must have an SSN. International students, visa holders, and new immigrants also require it to work or access services.

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Documents required

To apply, you must provide original documents that prove:
• Age (birth certificate, passport).
• Identity (passport, driver’s license, state ID).
• Immigration status (visa, I-94, EAD, green card).
All documents must be current and valid.

Step-by-step process

Step 1: Complete Form SS-5

Fill out the official application form with your personal details and parent information if required.

Step 2: Prepare your documents

Gather originals that prove age, identity, and lawful status. Photocopies are not accepted.

Step 3: Submit at SSA

Take the completed form and documents to your nearest Social Security Administration office.

Step 4: Verification

The SSA reviews your information, and in some cases, you may need an interview (especially for applicants over 12).

Step 5: Receive your SSN

The Social Security Number is issued and mailed to your address, usually within 2–6 weeks.

Frequently Asked Questions

Can I apply for an SSN if I’m not a U.S. citizen?

Yes. Non-citizens with work authorization (such as H-1B, L-1, F-1 with OPT, J-1) can apply by presenting their visa and immigration documents.

What form do I need?

You must complete Form SS-5, the official application for a Social Security Card, available from the SSA.

How long does it take?

After submission, most applicants receive their SSN card by mail within 2–6 weeks.

What if I make a mistake on the form?

Applications with errors are delayed. Always double-check your personal data and documents before submission.

Is the SSN only for working?

No. It is also required for paying taxes, opening bank accounts, obtaining credit, and accessing social benefits.

ℹ️ About this guide

This resource explains in detail how to apply for a Social Security Number (SSN) in the United States. It includes eligibility, required documents, and the official process so that you can prepare your application correctly and avoid errors.

Form SS-5 is the key document to request your SSN. With the right information and supporting papers, the process is straightforward and ensures that your number is delivered to you by the Social Security Administration.

Access Form SS-5