Also known as an A-Number, your Alien Registration Number is a seven- khổng lồ nine-digit number that can be found on a variety of documents from U.S. Citizenship and Immigration Services (USCIS) or the former INS. USCIS uses the Alien Registration Number khổng lồ traông xã the immigration files for immigrants (and some nonimmigrants). It’s also a critical piece of information when preparing new USCIS forms lớn request immigration benefits. If your A-Number is fewer than nine digits, insert a zero after the “A” and before the first digit lớn create a nine-digit number. For example, “12345678” would become “A012345678.”

U.S.-born citizens và many nonimmigrant visitors bởi vì not have sầu alien registration numbers.

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Find A-Number on a Green Card

If you have sầu a permanent resident thẻ (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#.


The sample green card below was issued between 2004-2010. The A-Number is listed as “000-000-000” next lớn A#.


USCIS does not assign everyone an A-Number. USCIS creates an Alien Registration Number for every permanent resident. Generally, they do not assign the number to lớn nonimmigrant visitors. Nonimmigrants include anyone that is in the United States on a temporary basis. B1/B2 visas are nonimmigrant visas for visitors. However, USCIS may assign the Alien Registration Number to lớn certain classes of nonimmigrants that have sầu been granted employment authorization or other benefits.

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Find A-Number on an EAD

If you vị not have a green thẻ, you may be able lớn find your Alien Registration Number on other immigration documents such as an Employment Authorization Document (work permit). In the example below, the A-Number is listed as “000-000-811” underneath USCIS#.

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If you are unable to lớn locate your Alien Registration Number on one of the documents below, can help you request your A-Number through a Freedom of Information Act (FOIA) Request. We’ll help you prepare Form G-639, Freedom of Information Act (FOIA) Request và provide instructions on how lớn tệp tin it with USCIS. Use Form G-639 lớn get a copy of your A-Number or even your entire immigration tệp tin. You should expect it khổng lồ take at least 8 weeks before USCIS responds with the requested A-Number and much longer for complete immigration files. can help you prepare Form G-639, FOIA Request for a very low cost. Once prepared, it’s free to file. Get started now >>

Find A-Number on Immigrant Visa

You can also find an Alien Registration Number on an immigrant visa. Your immigrant visa, also called a visa stamp or visa foil, is found in your passport. Your A-Number is identified as the “Registration Number” in the top right portion of the visa stamp.


Note: The visa pictured above is an immigrant visa. It’s different than a nonimmigrant visa. A nonimmigrant visa does not contain an Alien Registration Number.

Find A-Number on Notice of Action

Some versions of the Notice of kích hoạt may contain the Alien Registration Number. In the I-797C (biometrics notice) below, the A-Number is located in the top/right of the document next to USCIS#.


Find A-Number on Immigrant Data Summary

If you applied for your green card through consular processing (applied for green card at a U.S. embassy or consulate), you probably had an Immigrant Data Summary stapled lớn the front of your immigrant visa package. You can find your A-Number at the top of the Immigrant Data Summary, as shown in the picture below.

Find A-Number on Immigrant Fee Handout

Again, if you applied for your green card through consular processing, the immigration officer probably gave sầu you a USCIS Immigrant Fee handout. This document provides instructions on how to lớn pay the USCIS Immigrant Fee and includes your A-Number in the top right corner, as shown below.