Most parents wait two to six weeks to get their baby’s Social Security number, and how long it takes depends mainly on whether you applied at the hospital and which state you live in. About 99% of newborns are enrolled through the hospital at birth, and the national average is two weeks for the Social Security Administration to process the application, plus up to two more weeks for the card to reach your mailbox.1Social Security Administration. How Long Does It Take to Get My Child’s Social Security Number? If you apply on your own instead, plan on two to four weeks after the SSA has your complete application.
If You Applied at the Hospital
The hospital route is called Enumeration at Birth. When you filled out the birth registration paperwork, one of the questions asked whether you wanted a Social Security number for your baby. If you said yes, the hospital sent the information to your state’s vital records office, which forwards it electronically to the SSA.2Social Security Administration. State Processing Guidelines for Enumeration at Birth
Some states get the data to the SSA within a week. Others take up to six. Two weeks is the national average, and once the SSA processes the application, allow another two weeks for the card to arrive by mail.1Social Security Administration. How Long Does It Take to Get My Child’s Social Security Number? Total time from birth to card in hand runs roughly two to eight weeks, with most families landing near the four-week mark.
You should have left the hospital with Form SS-2853, which confirms you requested the number. Keep it. If the card takes longer than expected, that form helps when you follow up.
If You Apply on Your Own
If you didn’t apply at the hospital, or if your baby wasn’t born in one, you’ll go directly through the SSA. You can start the application online at ssa.gov and finish at a local office, walk into an office with your documents, or mail everything in.3Social Security Administration. Social Security Numbers for Children
You’ll need a completed Form SS-5, an original or certified-copy U.S. birth certificate for your baby, and proof of your own identity (a driver’s license, state ID, or U.S. passport works; the SSA also accepts military ID, employee ID, school ID, or a health insurance card showing your name with either a photo or a date of birth).4Social Security Administration. Learn What Documents You Will Need to Get a Social Security Card
Timing splits by method. In-person or online-started applications that finish at an office typically produce a card within seven to ten business days.5Social Security Administration. How Long Will It Take to Get a Social Security Card? Mail-in applications run two to four weeks, since the SSA has to process everything and return your original documents.6Social Security Administration. Application for Social Security Card – Form SS-5
Children Born Abroad or Adopted
If your child was born outside the United States to a U.S. citizen parent, you apply at a Federal Benefits Unit at a designated U.S. embassy or consulate rather than through the domestic process; for children under 12 you can apply by mail.7Department of the Treasury, Department of State, Internal Revenue Service, and Social Security Administration. Joint Frequently Asked Questions on Obtaining Social Security Numbers, Expatriation, and Tax Implications Adopted children follow a different track too: if the adoption is finalized, the final decree serves as identity proof at the SSA office, and if it’s still pending, you can request an Adoption Taxpayer Identification Number from the IRS using Form W-7A to claim the child at tax time until a permanent SSN is issued.8Internal Revenue Service. Dependents The standard newborn timelines above don’t apply to either situation.
What to Do if the Card Is Late
If the card hasn’t arrived within the expected window, call the SSA at 1-800-772-1213. Have your baby’s full name, date of birth, and the date you applied ready.
Most delays trace back to incomplete forms, missing documents, or a name mismatch between the hospital paperwork and the birth certificate. Name mismatches happen more often than parents expect. If you changed your baby’s name after the hospital filed the birth registration, or a typo made it into the records, the SSA needs an amended or corrected birth certificate before it can finish processing, plus at least one identity document showing either the old or new name depending on what the corrected certificate says.9Social Security Administration (SSA). Evidence Required to Process a Name Change on the SSN Based on a US Issued Amended or Corrected Birth Certificate Fixing a birth certificate through your state’s vital records office adds time on top of the SSA’s own processing, so it’s worth double-checking the hospital paperwork before you leave.
Also confirm the mailing address the SSA has on file. The card goes to whatever address was on your application.
Why the Timing Matters for Taxes
The wait becomes a real issue at tax time. Without your child’s Social Security number, the IRS won’t let you claim the child as a dependent.10Internal Revenue Service. Dependents 9 For the child tax credit, worth up to $2,200 per qualifying child for tax year 2025, the SSN must be issued on or before your return’s due date, including extensions.11Internal Revenue Service. Child Tax Credit The same rule applies to the earned income credit.
If your baby was born late in the year and the card isn’t in your hands by filing season, you have two workable options. You can file for an automatic six-month extension using Form 4868, which buys time for the SSN to arrive; keep in mind the extension covers filing, not payment, so any estimated tax you owe is still due by the original deadline. Or you can file without the dependent and then amend using Form 1040-X once the number comes through. You generally have three years from your original filing date to amend.10Internal Revenue Service. Dependents 9
The extension route tends to be simpler when the card is expected within a few months. Amending works, but takes longer to process.