I concur, because nobody (except I-D-10-Ts) would call several people as "wrong number" calls. This number was on the caller ID, when I arrived home, no messages, so I blocked.
When I challenged him on the caller ID number being fake, he said it was a problem with my equipment and that he was calling from 877-593-2995. I told him the person he was asking for did not live here. He said he was from "National Renewable Energy Center" which seems to just be a front for a solar provider named "A1 Solar Power", but that info is just based on other internet searches I did.