Lost your Social Security card? What to do — and how to protect your identity

Losing a Social Security card feels serious because the number unlocks so much. The card itself is rarely needed, though: the Social Security Administration says that if you know your number, in most cases you don't need the physical card, and employers and agencies usually just need the number. This guide covers replacing the card, the free steps that protect you if it fell into the wrong hands, and what changes if someone is already using your number. We read the SSA, FTC and IRS pages behind it on October 31, 2026.

Do you even need a replacement card?

Often not. The SSA says you rarely need to show the card, and it advises keeping it in a safe place rather than carrying it with you.

Replacements are limited, too: no more than three a year and ten in a lifetime, under the SSA's rules. Legal name changes and changes to the work-restriction note printed on some cards don't count toward the limits, and the SSA can make exceptions, for example for significant hardship.

How to replace a lost Social Security card

A replacement card is free. The SSA mails it, and its replacement page says it arrives in 5 to 10 business days; a local office can't print one for you while you wait.

Online, with a my Social Security account

Most US citizens can do the whole request online. Under the SSA's operating rules you qualify if you're a US citizen whose citizenship is already on your SSA record, you're 18 or older, you have a my Social Security account, nothing on your record is changing (some states allow a last-name change after marriage), you have a US mailing address, and you have a valid driver's license or state ID from a participating state. Every state and Washington, D.C. takes part except Alaska; Delaware, Nevada and Wisconsin accept driver's licenses only.

If you can't finish online

Anyone can start a request online, even without an account, and then make an appointment at a local Social Security office or Social Security Card Center; the SSA says to bring your documents within 45 days of starting. You can also fill in Form SS-5 and take it in with your documents.

Documents you'll need

• Proof of identity: a US driver's license, a state ID or a US passport. If you have none of these, the SSA may accept an employee ID, school ID, health insurance card (not Medicare) or military ID.
• Proof of US citizenship, only if the SSA doesn't already have it on record: a US birth certificate or a US passport (citizens born abroad can use a Certificate of Naturalization or of Citizenship, or a Consular Report of Birth Abroad).
• If you're not a US citizen: your current immigration documents, such as Form I-551, I-766 or I-94.
• Originals or copies certified by the agency that issued them. The SSA doesn't accept photocopies, notarized copies or expired documents.

The card costs nothing. If anyone tries to charge you for a Social Security card, the SSA says you can report them to its Office of the Inspector General.

Should you worry? Free steps that protect you

A lost card on its own isn't identity theft. The SSA says you don't need to file an FTC identity theft report if your number hasn't been misused, and it won't give you a new number just because your card was lost or stolen: you'd need evidence that someone is using your number. IdentityTheft.gov, the FTC's site, lists these steps for lost or stolen information instead (the freeze and fraud alert details are from the FTC's credit freeze guide):

1. Get your free credit reports at AnnualCreditReport.com — you can check them online every week — and look for accounts or inquiries you don't recognize.
2. Freeze your credit at Experian, TransUnion and Equifax. It's free to place and to lift temporarily, it doesn't affect your credit score, and it lasts until you lift it. You contact each bureau separately.
3. You can also place a free fraud alert, with or without a freeze: an initial alert lasts one year and can be renewed, and the bureau you contact must tell the other two.
4. Review your work history in your my Social Security account for earnings you don't recognize.
5. Consider locking your Social Security number through E-Verify, the federal system employers use to confirm work eligibility.
6. File your tax return early, and answer any letter from the IRS promptly.

Get an IRS Identity Protection PIN

An IP PIN is a six-digit number that stops anyone else from filing a federal tax return with your Social Security number. Anyone with a Social Security number or ITIN who can verify their identity can get one for free, and the fastest way is to request one in the IP PIN section of your IRS online account. You get a new PIN each year, and the IRS says it will never ask you for it.

If someone is already using your number

Signs include accounts or credit inquiries you don't recognize, earnings in your Social Security record from employers you never worked for, a W-2 from an employer you don't know, or a tax return the IRS rejects, or an IRS letter about suspected identity theft on a return. That's identity theft: report it at IdentityTheft.gov, which builds a personal recovery plan, and follow the instructions in any IRS letter. Our guide to what to do if your identity is stolen covers the steps, including a section on a stolen Social Security number.

Only then might the SSA consider a new number, and only in rare cases: you must have reported the theft, tried to fix the problems and still be affected. Even then, the SSA notes, a new number isn't a clean slate, because other agencies and businesses keep records under your old one.

Where identity monitoring fits

Paid identity protection services watch your credit and personal information for you, alert you to changes and help you recover if something goes wrong. They don't replace the free steps above: a credit freeze is what stops new credit accounts in your name, and an IP PIN is what blocks a fraudulent tax return. A service earns its place if you'd rather have someone watching and a team to call. See our identity protection hub for the services we review.