Alien Registration Number – What is an Alien Registration Number and where do I find it?

Alien Registration Number – What is an Alien Registration Number and where do I find it?

The Alien Registration Number can also be referred to as an A-Number. It is a seven-to-nine-digit number that is found on a variety of a United States citizen documents. The A-Number can also be found on Immigration Services (USCIS) documents or the former INS. USCIS makes use of the A-Number to track immigration files for…