what is A#?

来源: 于 2004-01-04 16:12:00 [旧帖] [给我悄悄话] 本文已被阅读：次

I need to provide social security number, A#, and I-94#. I know what social security number is.:) On my I-94, there is one number, which is written on my I-20 as well. is that A#? and then what is I-94#?
Thanks in advance.