alien number应该是给有移民申请（批准）的人的，你是OPT不应该有这个号码。去跟USCIS面谈把，说明的你...
A modern e-ID card enables a huge range of benefits for both governments and their citizens, including the ability to: • Know who has entered or left the country • Ensure one legal identity for each ID card holder • Protect the rights of citizens and legal residents • Maintain ...
citizen or lawful permanent resident (LPR) can file with U.S. Citizenship and Immigration Services (USCIS) a Form I-130, Petition for Alien Relative. Such a petition is the first step for a relative to become an LPR, colloquially known as a “green card holder.”...