Alien Registration Number Explained
If you are involved with the U.S. immigration system, you have likely seen references to the alien registration number, often abbreviated as “A-number.” A noncitizen’s A-number, issued to applicants for long-term status in the U.S., serves as the noncitizen’s identifier as they interact with immigration-focused government agencies, like U.S. Citizenship and Immigration Services (USCIS), U.S. […]
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