N
Velvet Digest

Is Uscis number same as SSN?

Author

Eleanor Gray

Updated on June 05, 2026

The USCIS A number does not become one's social security number.

.

Considering this, can a Uscis number be used as a social security number?

To lawfully work in the United States, foreign workers in some categories and classifications need both an employment authorization document (EAD) from USCIS, and a Social Security number (SSN) from the SSA. For more information on applying for a Social Security card, see this fact sheet (PDF).

Secondly, is the a number the same as Uscis number? “A” number is short for Alien Registration Number. The 9-digit USCIS number listed on permanent resident green cards issued after May 10, 2010, is the same as the A-number. The A-number can also be found on the back of green cards.

Also know, is your alien registration number your Social Security number?

The Alien Registration Number isn't the same thing as a Social Security Number (SSN), which is used by the Internal Revenue Service and the Social Security Administration to keep track of U.S. workers' income, taxes, and benefits. You can apply for an SSN along with a work permit as part of your green card application.

Is green card number same as SSN?

It is the ID document which contains the 9-digit Social Security Number. The Social Security Card is usually only issued to employment-based or nonimmigrant visa holders or green card holders. The SSN is NOT to be mistaken with a legal resident permit.

Related Question Answers

Can I check my SSN status online?

There are two ways to check the status of your Social Security Disability application: You can check the status of your application online at the SSA website. You'll need to create a "my Social Security" account online, which should take only a short time. You contact the SSA by phone and speak with a representative.

Can I get a SSN with an employment authorization card?

Once an EAD card is obtained, one can apply for a social security number at a Social Security Office if they bring their passport and follow instructions.

How does an immigrant get a Social Security number?

If you are age 18 or older, you can apply for a social security number in your home country when you apply for an immigrant visa with the U.S. Department of State. The U.S. government will use the same information that you give to apply for an immigrant visa to apply for an SSN.

How can I check my SSN?

Finding Your Social Security Number If you have a Social Security Number (SSN), you can find it on your Social Security card. Some other places that you can find your SSN are on tax returns, W-2s and bank statements. You may even find it on previously filed USCIS forms.

What is a Uscis number used for?

USCIS uses the Alien Registration Number to track the immigration files for immigrants (and some nonimmigrants). It's also a critical piece of information when preparing new USCIS forms to request immigration benefits.

Do I need to change my SSN after green card?

You do not need to change your Social Security Card (SSC) after getting the Green card until and unless you need to change the information contained in the card. If, however, your card gets stolen or you lose it, then you need to apply for a Social Security Card replacement.

Can I work without a SSN?

If you are new to the U.S., you can work without an SSN temporarily. However, you must apply for a number with the Social Security Administration, or the SSA, immediately, and provide it to your employer upon receipt and within 90 days of starting your job.

Where can I find my Uscis number?

If you have a permanent resident card (green card), you can find your Alien Registration Number on the front side. (The number is also embedded within the characters on the backside as well.) In the example below, the A-Number is listed as “000-001-001” underneath USCIS#.

Can I find my alien registration number online?

USCIS Case Numbers. Your Alien Registration Number isn't the only number you'll see on your receipt notices. You'll also have a USCIS case number, or receipt number, which is used to track your specific application and to check your application status online.

How can I get SSN after green card?

To update SSN after getting a Green Card, you need to visit your nearest Social Security Administration office and fill out the SS-5 form, which is the “Application for Social Security Card.” This single form contains 18 items.

How long does it take to get SSN after green card?

2 weeks

Can I get a Social Security card without a green card?

The Social Security Card is usually only issued to employment-based or nonimmigrant visa holders or green card holders. The SSN is NOT to be mistaken with a legal resident permit. Having one does not give you the right to live and work in the USA without a visa.

How do I get a US Social Security number?

To apply for an SSN, you must apply in person at a nearby office of the Social Security Administration. You will have to complete and Application for a Social Security Card (Form SS-5). You should bring with you original documents proving your work-authorized immigration status, age, and identity.

What is US Alien Number?

Also known as an A-Number, your Alien Registration Number is an eight- or nine-digit number that can be found on a variety of documents from U.S. Citizenship and Immigration Services (USCIS) or the former INS.

Does US citizen have a number?

The only United States citizen that has an alien registration number is one who became a US citizen through naturalization.

How do I find out my Uscis number?

You can find your A-Number and Department of State (DOS) Case ID on your immigrant data summary, USCIS Immigrant Fee handout, or immigrant visa stamp. Your A-Number is the letter “A” followed by 8 or 9 numbers (such as A012345678). Your DOS Case ID is 3 letters followed by 9 or 10 numbers (for example, XYZ0123456789).

What does the Uscis number mean?

USCIS Number Definition. USCIS Number, or Alien Registration Number, Alien Number, or A-Number, is a unique, 9-digit number assigned to a noncitizen by the Department of Homeland Security that is listed on the front of Permanent Resident Card (Green Card).

What is an EAD number?

EAD number = USCIS #. The Employment Authorization Number is the one under USCIS# (xxx-xxx-xxx). This was earlier the Alien Registration Number (A #). References: [1], [2], [3] The Card Number is the one under Card# (3 letters + 10 digits).

Does alien number change?

Another distinction between the two numbers is that your Alien Registration Number remains permanent, while your case number changes from case to case. In the future, you might apply for U.S. citizenship.