What are the red numbers on back social security card mean and used for?
Answers
Wayne Z: Found this
Found this: >>>>Those numbers on the back of your card are the sequence numbers (bookeeping purposes) for the sheets of cards that are yet to be printed on for new recipients Other than that, nothing important for the end user.<<<< There are some conspiracy theories that state that these numbers are used a ABA (routing number) at the US Treasury that you can use. Like all conspiracy theories, this is false.
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