There are many sections asking for A# (Aline number). Actually, I found one on my EAD (OPT) card, but it says USCIS #. and it's also 9 digit number like alien number. According to USCIS.gov website, it is same number, but some people say it's totally different one.
A given name (also known as a personal name, first name, forename, or Christian name) is a part of a person's full nomenclature.It identifies a specific person, and differentiates that person from other members of a group, such as a family or clan, with whom that person shares a common surname.The term given name refers to the fact that the name is bestowed upon, or given to a child, usually by its parents, at or near the time of birth.t identifies a specific person, and differentiates that person from other members of a group, such as a family or clan, with whom that person shares a common surname. The term given name refers to the fact that the name is bestowed upon, or given to a child, usually by its parents, at or near the time of birth.
For the name distinguishing one person from others with the same surname, see given name. A personal name or full name refers to the set of names by which an individual is known and that can be recited as a word-group, with the understanding that, taken together, they all relate to that one individual.