A - number Change of address

[harigoli]

Hi,

I want to change my address online in USCIS site.
there is field called A -Number
I am on H1B and did not start my GC yet

Where I can find this A - Number Or

I can leave blank and enter new Address

Pls Advise

[shervin143]

In that case, the "Copy Number From Alien Card" (A #) should be your I-94 number.