!!! Overview [{$pagename}] ([SSN]) in the [United States] is a nine-digit [National Identification Number] issued to U.S. citizens, permanent residents, and temporary (working) residents under section 205(c)(2) of the [Social Security Act], codified as 42 [U.S.C.] ยง 405(c)(2). [{$pagename}] is issued to an individual by the [United States Social Security Administration], an independent agency of the [United States federal government]. Although its primary purpose is to track individuals for Social Security purposes,[1] the Social Security number has become a de facto national identification number for taxation and other purposes.[2] [{$pagename}] may be obtained by applying on Form SS-5, Application for A [{$pagename}] Card.[3] !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]