My old land line was almost the same number as an entertainment venue whose number spelled TICKETS. People would sometimes dial 1 instead of 4 (corresponding to the letter I), and get me. Usually on weekend mornings, grr, but fortunately it didn’t happen too often.
If you click on the recipient name to go to your contact entry, there will be a “recent” flag on the address the email was sent to.
I agree that this is pretty annoying behavior, though.