where can you find alien registration number
Also known as an A-Number or USCIS#, your Alien Registration Number is an 8 or 9 digit number that can be found on your Permanent Resident Card (also known as a green card). In the example below, the A-Number is listed as â000-001-001â underneath USCIS#. If you do not have a green card, you can also find your A-Number on other immigration documents such as Employment Authorization Card (work permit) or an I-797, Notice of Action. In the example below, the A-Number is listed as â000-000-773â underneath USCIS#.