Where Is My Alien Registration Number or A number?

Alien Registration Number or A number found on EAD (OPT, H4 L2 etc) card, Green Card, Immigrant Visa or i140 approval i797c form. USCIS number = A number.

Anil Gupta
  By Anil Gupta    Updated  6 Apr, 20


What is A number?

Alien number or commonly known as ‘A number’ is assigned to each person who intends to immigrate to USA.
This 7 to 9 digit number, pre-fixed with letter ‘A’ can be found at various documents that have been issued to you by USCIS.

The 9-digit USCIS number printed on US permanent resident green cards is same as the A-number.

Please note that PERM ETA number is not same as A (Alien) number.

i140 – A number on i797 form

The most common place is the i140 approval i797C form that carries ‘A number’ assigned to you:

Find A or Alien number-on i140 approval
Find A or Alien number-on i140 approval

Many times, H1B visa employer do not share i140 approvals with the employee. In that case, you can use FOIA request and may need this A-number to improve your application.

EAD card – Alien Number

You can find your unique A number on your EAD card, if any was ever issued to you. This includes OPT EAD, H4 EAD or L2 EAD etc.

On EAD card, the USCIS# is same as your A number and can be used whenereever you need to enter Alien number.

Alien Registration number on EAD card
Alien Registration number on EAD card

Green Card Alien Registration Number

Green card also uses the term ‘USCIS#’ to mean Alien number.

Alien registration number on green card
Alien registration number on green card

Immigrant visa – Alien registration number

On your US immigrant visa, the same A number is referred as ‘Registration number’.

Find Alien number on immigrant visa
Find Alien number on immigrant visa

A number is assigned only to people who file any visa application with USA with an intent for permanent residence. Hence, H1B visa will not have the USCIS# or A number listed on the visa.

H1B Receipt Notice A Number

H1B applicants are assigned the A number once their employer files Green Card PERM application and then i140.

A number on H1B receipt notice
A number on H1B receipt notice
Where is My A Number?

You can find your USCIS A-number on your EAD card, Green Card, Immigrant visa stamp, i140 approved i797 form or work visa i797 C receipt notice.

Is A number and PERM case number same?

The PERM A number and USCIS A number are not same.

Does H4 visa holder have A number?

H4 visa holder do not get A number. The A number printed on H1B i140 approval is only for the primary H1B.

Should I mention A number on H4 EAD form?

You should mention the A number on H4 EAD form if you were assigned an Alien number in the past.




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Anil Gupta
  By Anil Gupta           

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