Originally Posted by
DaveInLA
...I had the Citi AA Plat from 2011-2017 but downgraded it just over a year ago because they stopped giving retention offers and I had no plans to fly AA. It was a Visa, then changed to a MC. When that happened, my card number changed. I can’t remember when that was, and that’s important to know if I’m to apply for a new bonus. Does anybody remember when this happened?...
It didn't all happen at once. It seemed (to me at least) to be completely random, and drawn out over an extended period - like across a couple years. So I don't think anyone here will be able to tell you when
your card was converted.