
A-Number/Alien Registration Number/Alien Number (A ... - USCIS
Definition A unique seven-, eight- or nine-digit number that the Department of Homeland Security assigned to an alien. Also see USCIS Number.
Alien Registration Number (A-Number) - Rebecca Black ...
Jan 1, 2026 · An Alien Registration Number is a unique identification number assigned by U.S. immigration authorities to certain noncitizens. It is used by U.S. Citizenship and Immigration Services …
Alien Registration Number (A-Number): Complete Guide for 2025
Jun 25, 2025 · The Alien Registration Number (or A-Number) is a 7- to 9-digit identifier issued by USCIS to foreign nationals who interact with the U.S. immigration system. It’s essentially your personal …
Alien Registration Number (A‑Number) Explained | CitizenPath
Oct 2, 2025 · An Alien Registration Number, also known as an A-Number, is a unique seven- to nine-digit number assigned by the U.S. government to noncitizens. It helps immigration agencies like …
What Is Your A-Number and Where Do You Find It?
Aug 8, 2025 · An Alien Registration Number, commonly known as an A-Number, is a unique seven- to nine-digit identifier assigned to non-citizens by the U.S. Department of Homeland Security (DHS).
A-Number and USCIS Number: What Sets Them Apart for Immigrants
Apr 22, 2025 · The A-Number and USCIS Number generally refer to the same personal identification code for non-citizens in the U.S. immigration system. While these track a person’s entire immigration …
Alien Registration Number - How to Find Your A-Number
Aug 6, 2025 · An Alien Registration Number—also called an A-Number—is a seven-to-nine-digit number assigned to green card holders by the Department of Homeland Security. Typically, nonimmigrants in …