No need to get that involved: for (let i = 0; i < 1000000000; i++) console.log(i); Every single valid social security number, and several (e.g. 000-00-0000)

No need to get that involved: for (let i = 0; i < 1000000000; i++) console.log(i); Every single valid social security number, and several (e.g. 000-00-0000) that probably aren't. You can store the whole thing in about a gig.