If you are a U.S immigrant, the Alien Registration Number is an important identification number you need to take note of.  This unique identification number is issued by the United States Citizenship and Immigration Services (USCIS) to immigrants.

Alien Registration Number

In this article, you will discover what you need to know about this number and where you can find it. So, keep on reading.

Alien Registration Number

The Alien Registration Number is a nine-digit number that is used by USCIS to track the documents and files of immigrants. This number is also known as the A-Number and is only given to a set of immigrants. Also, this number is not given to nonimmigrant visitor and United States born Citizens. However, nonimmigrants who are holders of the Employment Authorization Documents also receive this unique identification number.

Where Can I Find My Alien Registration Number?

You can find your Alien Registration Number on different immigration documents. Even if you don’t have a green card, you can still locate this number. The places where you can find the A-Number includes.

On your Green Card:

The number can be found on the front of your green card (permanent resident card) next to your photo if one has been issued to you. The alien number is also printed on the back of the green card.

On the Employment Authorization Document (Work Permit):

You can also find this number on your work permit if you are not a green card holder. This number is located under “USCIS#”.

Immigrant Fee Handout:

A USCIS Immigrant Fee handout is given to you by the immigration officer if you applied for your green card through consular processing. This paper includes your A-Number in the upper right side and directions on how to pay the USCIS Immigrant Fee.

Immigrant Data Summary:

A printout of your Immigrant Data Summary is likely stapled to the front of your immigrant visa package when you apply for your green card through consular processing. This is at a U.S. embassy or consulate.   You can check this printout for your A-Number. It is located at the very top of the Immigrant Data Summary.

Your Alien Registration Number:

The alien registration number can also be seen on an immigrant visa. Your passport contains your immigrant visa, also known as a visa stamp or visa foil. On the top right of the visa stamp, locate “Registration Number,” which is your A-Number.

These are the immigrant documents where you can find your A-Number. You may also find this number on the notice of action.

Green Card Alien Registration Number  

The A-number which can be found on your green card contains is an important form of identification. This number is used by the United States Citizenship and Immigration Services to identify the number of immigrants who are resident in the country, access immigration records, and track immigrants down in case of illegal activities or fraud.


Is the Alien Registration Number Same as SSN?

No, the A-Number is different from the SSN. Although they are mistaken for each other. The social security number is a confidential ID issued by the Internal Revenue Service and Soil Security Office. This number is used to track workers in the U.S, their income, taxes etc. The A-Number on the other hand is an ID for U.S immigrants

Do US Citizens Have Alien Registration Number?

The A-Number is issued to immigrants who want to live in the United States. U.S born citizens are not issued this number. This number should also be kept confidential to Avoid fraud.

If am Applying for a Marriage Green Card, When Will I Get My Alien Registration Number

At the consular interview, applicants for marriage green cards who are under consular processing receive their A-Number. After completing the green card application, your Alien Registration Number will come around 30 days later.

This is if you are already married to your U.S. citizen spouse. If you are married to a green card holder, you must first wait for your green card petition to be accepted. You’ll receive your A-number about a year into the process.

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