Hi and welcome to Just Answer!
My W2 form has a SS# on the employee's section - is that your SSN?
No, it is not my SSN.
Do you have a work authorization? What is your status in the US?
i am an ilegal but i have my ITIN provided by the IRS to report my taxes
The question is: I have reported my taxes using my ITIN number and my w2 has social security and medicare tax withheld. will i benefit from SSA and SSI as soon i become a legal resident for have been reporting my taxes?
If you worked using a Social Security number that did not belong to you - the earnings are missing from your Social Security record - to be eligible for social security benefits based on these earnings - you need to correct Social Security record with Social Security Administration.
This proof could be:
If you cannot find some written documents that show your earnings, try to remember the following facts and write them down:
To do that – you need to visit Social Security Administration local office or you can call toll-free at 1-800-772-1213 from 7 a.m. to 7 p.m., Monday through Friday.
Let me know if you need any help.