Alien registration number là gì

The United States Citizenship & Immigration Services (USCIS) assigns an Alien Registration Number to lớn every immigrant. This important number is required on immigration paperwork & other official documents.

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Depending on the type of visa or immigration documents you carry, you can find your Alien Registration Number in different places. Use our guide to lớn determine where khổng lồ find your A-number as well as when you might be required to lớn show it.

What Is an Alien Registration Number or “A” Number?

“A” number is short for Alien Registration Number. It is a chất lượng seven-, eight-, or nine-digit number assigned to a noncitizen. The nine-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 bachồng of green cards.

Where Can I Find My Alien Registration Number?

A-numbers are generally listed on your immigration documents, such as an immigrant visa or permanent resident green thẻ. However, different documents use a different notation for the A-number. This can be confusing, but the following images should clear up the issue.

Permanent Resident Green Card A-Number

On green cards issued after May 10, 2010, the A-number is the same as the USCIS number, found on the front of your green thẻ.


Employment Authorization Document (Work Permit) A-Number

On Employment Authorization Documents (also called work permits), the A-number is the same as the USCIS number.


Immigrant Visa A-Number

On Immigrant Visas, the A-number is listed as the “Registration Number” and can be found on the front of the card.

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What the Alien Registration Number Is Used For?

Just as a Social Security number is one way to lớn keep track of & identify United States citizens, your A-number functions in much the same way. The government uses Alien Registration Numbers to:

Keep traông xã of how many resident immigrants are in the countryIdentify you in case of emergencyCreate a record of your activities, such as criminal chargesTraông chồng all immigration paperwork related khổng lồ you (including citizenship requests)

Essentially, your A-number is a bureaucratic tool used khổng lồ ensure that you don’t get mistaken for someone else.

Losing Your A-Number

In some cases, you may thảm bại traông xã of your immigration paperwork (i.e. your visa, green card, or other documents) và may not know your Alien Registration Number by heart. If you cannot find documentation of your A-number, you can request it through the Freedom of Information Act (FOIA). We recommend taking photos of & keeping copies of your visas, EADs and green thẻ so that even if you đại bại the original documents, you will have your A-number lớn help expedite the replacement.

Get Help With Immigration Paperwork và Alien Registration

United States immigration and citizenship law is complex and difficult to understvà. This is especially true for people whose native sầu language is not English.

Depending on your circumstances, you may need khổng lồ apply for a green thẻ, a work visa, an education-based visa, or a different form of lawful entry inkhổng lồ the country. And you’ll need khổng lồ know where khổng lồ find your alien registration number on your immigration documents.

This process can be hard to navigate. At, we offer assistance in a variety of ways. You can download our packets with the exact forms you need for your situation. You also have sầu access to instant error reporting, which tells you if you’ve sầu made any crucial mistakes in your paperwork.

With lawyer đánh giá, you will also be told whether you need additional documents in order to obtain your visa or green thẻ. If you are immigrating lớn the U.S. or seeking an adjustment of status, get in touch with today.