Social Security numbers are issued by the federal government, not by states, so you get the same nine-digit number no matter where you live

The Social Security Administration (SSA) assigns your number when you apply, regardless of your state of residence. You do not need to reapply or get a different number if you move. The number stays with you for life and works the same way in every state — it is your identifier for work, taxes, benefits, and credit.

What does vary by state is how quickly you can get a number, which documents the SSA office will accept, and whether you can apply by mail or must appear in person. Some states have SSA field offices with shorter wait times; others require you to travel farther or wait longer for an appointment.

Key Takeaways

  • The SSA issues all Social Security numbers from a federal system, so your number is the same whether you live in California or Maine.
  • You apply for a Social Security number at your local SSA field office or, in some cases, through your state's vital records office if you are applying for an infant's number.
  • Processing time ranges from one to four weeks depending on the office workload and whether you apply in person or by mail.
  • You will need proof of identity, proof of age, and proof of citizenship or legal residency — the exact documents accepted vary slightly by state office.
  • If you are applying for a child's number, some states allow you to request it at birth through the hospital; others require a separate SSA office visit.

Where to apply for a Social Security number in your state

You apply at the Social Security Administration field office that serves your address. You can find the nearest office by entering your zip code at ssa.gov/locator. The office will tell you whether you can walk in, whether you need an appointment, and what hours they are open.

Some states also allow you to apply through the state vital records office or the state health department if you are requesting a number for a newborn. This is often faster than waiting for an SSA appointment. Ask your hospital at discharge whether they can submit the application, or contact your state's vital records office directly to learn whether this option is available where you live.

If you are applying from outside the United States, you must apply at a U.S. embassy or consulate in your country. The SSA does not process international applications by mail.

Documents you need to bring

You will need three categories of documents: proof of identity, proof of age, and proof of citizenship or legal residency. The SSA accepts a specific list of documents in each category, and some documents are accepted in one state office but not another because of how that office interprets the rules.

For identity, bring a state-issued ID, passport, or driver's license. For age, bring your birth certificate, passport, or hospital birth record. For citizenship or residency, bring your U.S. birth certificate, passport, naturalization papers, green card, or visa. If you do not have an original document, bring a certified copy from the issuing agency — photocopies and notarized copies are not accepted.

Call your local SSA office before you go. Tell them what documents you have, and they will tell you whether those specific documents will work at that location. This step saves a wasted trip.

How long it takes to get your number

If you apply in person at an SSA field office, you will usually receive your Social Security card in the mail within one to two weeks. Some offices are faster; some take up to four weeks depending on how busy they are and whether they need to verify your documents with another agency.

If you apply by mail (which is only available in certain states and situations), processing takes two to four weeks after the SSA receives your application. If you apply through a state vital records office for a newborn, you may receive the card within one to three weeks, though some states take longer.

You can check the status of your application by calling the SSA at 1-800-772-1213. Have your application receipt number ready. Do not call before two weeks have passed; the SSA will not have status information before then.

Differences in how states handle newborn applications

Some states allow hospitals to submit Social Security number applications at birth as part of the birth certificate process. This is the fastest route — you receive the card without a separate office visit. States that offer this include California, Florida, Illinois, New York, Ohio, Pennsylvania, and Texas, though the list changes and varies by hospital.

In other states, you must visit an SSA field office in person after the baby is born. Bring the original birth certificate, proof of the child's age (usually the hospital birth record), and proof of your identity and citizenship. This process takes one to four weeks after your office visit.

If your state does not offer hospital-based applications and you want to avoid an office visit, some states allow you to apply by mail using Form SS-5. Call your local SSA office to ask whether mail applications are accepted in your state and what documents they require.

What happens if you lose your Social Security card

You can request a replacement card at your local SSA field office. Bring your state ID or passport and your birth certificate. If you are a U.S. citizen, the replacement is free and takes one to two weeks. If you are not a citizen, you will need to bring proof of your legal residency status (green card, visa, or work authorization).

You do not need to replace your card if it is lost or damaged unless you need it for a specific purpose — your number itself does not change, and employers and banks can verify your number without seeing the physical card. However, if your card was stolen, contact the SSA to report it and ask whether you should request a new number to prevent identity theft. The SSA rarely issues a new number, but they will flag your account.

Frequently Asked Questions

Can I get a Social Security number if I am not a U.S. citizen?

Yes, if you have a work visa, green card, or other legal residency status. Bring your visa or green card to the SSA office along with your passport and birth certificate. Undocumented immigrants cannot receive a Social Security number through the standard process, though some states offer Individual Taxpayer Identification Numbers (ITINs) through the IRS for tax purposes.

Do I need a Social Security number to get a driver's license in my state?

Most states require a Social Security number to issue a driver's license, but some allow you to apply without one if you are not a citizen. Contact your state's Department of Motor Vehicles to ask what they accept. You can usually apply for both at the same time if you visit the DMV with your SSA application receipt.

How long does it take to get a Social Security number if I am applying as an adult?

The timeline is the same as for anyone else: one to four weeks after your office visit. You will need your passport or birth certificate, proof of age, and proof of citizenship or legal residency. If you are applying for work, tell the SSA office — they may be able to expedite your application in some cases.

What if the SSA office tells me my documents are not acceptable?

Ask the office which documents they will accept and where to get them. If you believe the office is applying the rules incorrectly, you can request to speak with a supervisor or file a complaint with the SSA's Office of Inspector General. Bring a list of the documents you offered and the reason the office gave for rejecting them.

Can I change my Social Security number after I get it?

The SSA rarely issues a new number. You can request one only if you can show that someone is using your number fraudulently or that you are in danger because of your number. Changing your number creates problems with your work history, credit record, and benefits, so the SSA avoids it. If you believe your number has been stolen, contact the SSA and the Federal Trade Commission instead.