I will echo almost verbatim the post of Another annoyed customer above. NEVER answer restricted calls, and if you want my info from a credit card over the phone from an unsolicited call... How about NO!
A very reliable online site like USpopularnames.com will let you experience visiting a dependable web-based community. In case you need verify a call using a reverse lookup directory, this website lets you complete the process. Likewise, you can post your comment and let other people read it.