A receipt received by email -i.e. my phone number was referenced for an in-store cash purchase. So discounting any identity-fraudy affect on my account, it may have been a mistake or an intentionally random number. Either way, I'm curious what it is.
I saw that thread but the OP's question (and thus mine) was never actually answered. I am not aware of a TMO selling unlock codes either, besides providing them after a $25 or $100 airtime purchase per basic or smartphone.
Doh! But no, the receipt is from a TMO store.