Can i use a tax id# instead SS# to open an account?

Beginner Questions
1

I live in US, but doesn’t have SS…

TIA

2

You got a business tax id # without providing the SS#'s of the owners?

4

An EIN?

This from IRS website:
“ITIN is a tax processing number that became available July 1, 1996, for certain nonresident and resident aliens, their spouse and dependents. The ITIN is only available to individuals who cannot get a social security number (SSN)”

5

Anyone to help me with that!

I got a tax id and an IEN, do you guys think it is possible to open a broker’s account?

6

I wouldn’t know. Sorry.