Does Verizon send people to your home unannounced to ask about satisfaction with the service? Someone came to our door with wearing a Verizon coat asking questions that Verizon should know-
FYI I'd change your forum username because your current one is a privacy and spam risk.
Verizon doesn't do that where I live, but I've read in the forums before about salespeople going door to door elsewhere. Whether or not these people are legitimate, couldn't tell you. If someone is coming to your door asking for personal information, I'd say it's a primitive version of phishing.