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Guillermo J. Senmartin, Esq.
Guillermo J. Senmartin, Esq., Immigration Lawyer
Category: Immigration Law
Satisfied Customers: 109007
Experience:  10+ years of experience in various aspects of U.S. Immigration Law.
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Alien Registration Number

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Form I-130 requests Alien Registration number. Is that the same as the CIS registration number provided on certificate of naturalization? Seems weird that a US citizen would have an "alien" number...? Thanks!
No, it is not the same thing. The Alien Registration Number is XXXXX A#. It is the number of U.S. Lawful Permanent Residency. If you have the certificate of naturalization, then it not only has a certificate number (which you will still need), but it should also have the A# XXXXX
Customer: replied 8 years ago.
On the certificate of naturalization, thre are 2 numbers.
One that seems only says No XXXXXXX - this is the certificate of naturalization number.
The other one says CIS Registration No. It starts with an A, followed by 9 numbers. so is that the A # XXXXX are talking about? Which means a citizen has an alien number?
Yes, that is the A#. The one that starts with A. That is the Alien Registration Number. It means that a naturalized U.S. Citizen HAD an A#. It probably still is there's but it is not really used anymore. Not something you really need to worry about.
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