Can a collection company find out from social security that you get social security?

Unless you're authorized to secure social security numbers, the only way to obtain them is through illegal activity. Social security numbers are among the most private of an individual's information....

By asking them. There is no other legal way, unless you need the information for a job placement or records.

Not sure what you are asking, but if you mean where do you find it on your paycheck stub, it is the number under the heading "F.I.C.A."

You should have been issued a social security card early in life, if you were born in the US. If you are an immigrant, you would receive it when you receive citizenship. It will show your number. If...

Once you reach retirement age, your Social Security Disability benefits convert to regular retirement benefits, payable at the same rate. You cannot collect an additional amount due to disability. It...