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Guide · US edition · Updated 2026-10-29

How To Get a Social Security Number for Your Baby

Your baby needs a Social Security number (SSN) to be claimed on your taxes, to open many savings accounts, and for some government benefits.

The easiest way: at the hospital

When you fill out the birth certificate worksheet, you can usually check a box to apply for a Social Security number at the same time. The state passes the information to the Social Security Administration (SSA), and the card is mailed to you. SSA calls this Enumeration at Birth.

The card typically arrives by mail within a few weeks. Times vary by state, so check ssa.gov for current guidance.

What to double-check

If you didn't apply at the hospital

You can apply with SSA. Generally you'll need:

Check ssa.gov for the current process and where to submit. Some steps can start online.

When it arrives

Protect it

Children's SSNs can be targets for identity theft because nobody checks a child's credit. Share the number only when it's truly required.

General information. Always check current SSA guidance.

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