Wiktionary
n. 1 (context US English) A nine-digit number issued to citizens, permanent residents, and temporary (working) residents under section 205(c)(2) of the http://en.wikipedia.org/wiki/Social%20Security%20Act, codified as 42 U.S.C. § 405(c)(2). The number is issued to an individual by the http://en.wikipedia.org/wiki/Social%20Security%20Administration, an agency of the U.S. Federal Government. Its primary purpose is to track individuals for taxation purposes. Abbreviated as SSN. In recent years the SSN has become a de facto national identification number. 2 A corresponding number in other countries.
Wikipedia
In the United States, a Social Security number (SSN) is a nine-digit number issued to U.S. citizens, permanent residents, and temporary (working) residents under section 205(c)(2) of the Social Security Act, codified as . The number is issued to an individual by the Social Security Administration, an independent agency of the United States government. Although its primary purpose is to track individuals for Social Security purposes, the Social Security number has become a de facto national identification number for taxation and other purposes.
A Social Security number may be obtained by applying on Form SS-5, Application for A Social Security Number Card.
Usage examples of "social security number".
By the way, I have obtained a Social Security number for you, under your new name.
He is most likely going to jail, where his name, Social Security number, and description will be uplinked to the National Crime Information Center (NCIC) at the FBI —.
Spencer entered her Social Security number, expecting to winnow away sixty-three of the sixty-four, but none had the same number as that in the DMV records.
His social security number would have been an asset, but all I remembered of 1it was the last four digits: 1776.
If I need a social security number or a credit card, I use someone else's.
Floridians, until recently, did not have to provide their Social Security number when registering.