There’s only a billion possible nine digit number. There’s no algorithm to them. There might have been some level of regional allocation since my sister and I have the same first 3 digits, but I doubt that’s still a thing. Also TINs issued to corporate entities also draw from that numbering system, so there are significantly less than a billion possible SSNs
There’s about 350 million people in the US.
Just make up a nine digit number that doesn’t start with an 9 (IIRC TINs use the range of numbers starting with 9) and you have a better than 1 in 3 chance of getting it right.
There’s only a billion possible nine digit number. There’s no algorithm to them. There might have been some level of regional allocation since my sister and I have the same first 3 digits, but I doubt that’s still a thing. Also TINs issued to corporate entities also draw from that numbering system, so there are significantly less than a billion possible SSNs
There’s about 350 million people in the US.
Just make up a nine digit number that doesn’t start with an 9 (IIRC TINs use the range of numbers starting with 9) and you have a better than 1 in 3 chance of getting it right.
it’s usually asked for in cases where it needs to match with your name because you’re giving them your name also