Non US. citizens
ONLY NATURALIZED U.S. CITIZENS HAVE ALIEN REGISTRATION NUMBER. ONCE YOU BECOME A CITIZEN THE IMMIGRATION SERVICE WILL CONSIDER YOUR ALIEN NUMBER AS YOUR FORMER ALIEN REGISTRATION NUMBER
The alien registration number starts with the A.
Alien Registration Number is only for Green Card holders.
No. Alien Admission numbert is on I-94. but Alien Registration number will be given by USCIS when you apply for green card (check this),
An illegal alien can get an alien registration number by filing for one from the INS Bureau. The illegal alien will need to show proof of identity such as a birth certificate.
In the US, an alien number refers to the alien registration number. It is an 8 or 9-digit number.
If you are a citizen of a country you do not need to have an alien registration number. You only need it if you are residing in a new country.
An alien registration number is a file number the USCIS assigns to certain types of cases. Most non-immigrants (ex, H-1B visa) do not have alien registration numbers.
The File number in G-325A refers to the alien registration file number. It can be found out from the alien registration card/ application of the applicant.
where do naturalized US citizens with a US passport find their alien registration number? Answer #2 if you are a naturalized US citizen with a passport you no longer have the alien registration number as you are a naturalized Citizen.