1. Someone texting the previous owner of my number (John). I got all kinds of traffic for him, including debt collectors, friends, ex-girlfriends, employers, etc. I gather John ran into a spot of financial trouble, dropped his phone-number, and skipped town.

2. An old high-school classmate trying to find my mom found my number on one of those people search sites, probably associated with her address.

3. A random girl who just wanted to chat. I talked to her for a few messages, but didn't progress to a romance scam. She seemed real to me, but who knows?