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Although the original purpose for the number was for the Social Security Administration to track individuals, [1] the Social Security number has become a de facto national identification number for taxation and other purposes. [2] A Social Security number may be obtained by applying on Form SS-5, Application for a Social Security Number Card. [3]
Therefore, systems that pad to a specific number of digits (by converting 1234 to 0001234 for instance) can perform Luhn validation before or after the padding and achieve the same result. The algorithm appeared in a United States Patent [ 1 ] for a simple, hand-held, mechanical device for computing the checksum.
A DOD identification card number usually matches the holder's Social Security Number. However, on June 1, 2011, the DOD began phasing out use of the SSN to protect service members' identities. [18] It was replaced with a 10-digit DOD ID Number and a 12-digit Benefits ID Number.
Social Security Number, Definition. A Social Security number is a unique nine-digit code that’s used to identify you and track your earnings over the course of your lifetime. These numbers were ...
Call a Social Security representative (1-800-772-1213). Open an account and apply online . Each approach offers some benefits and drawbacks, so consider which works best for you. ... This includes ...
Social Security blog: This is the hub for Social Security news and updates, at ssa.gov. Frequently Asked Questions (FAQs) Retirement Application : One can complete and submit their online ...
The common format for social security numbers is 123-45-6789. Effective June 2011, the US military has introduced a plan to eliminate the use of Social Security Numbers on military and dependent ID cards and replace them with a service number, in an effort to prevent identity theft against members of the armed services. [7]
Out of the 280 million Social Security numbers the firm studied across its network of databases, More than 20 million people have more than one number associated with their name.