I gave a then-rarely-used phone number to someone in an organization that regularly deals with elderly people. A day or so later, that phone got a 'fail' text

I gave a then-rarely-used phone number to someone in an organization that regularly deals with elderly people. A day or so later, that phone got a 'fail' text message from a bank that I'm not a customer of. I reported it to them as phishing but didn't hear back.