no, you can use JustVoIP. With it you can call for free to a lot of countrys for 60 total but then you have to pay, but the only thing you need to do is a new account and then use mailinator as mail...
Call a police department in the state where you think the warrant is.
I dont think its entirely possible to find out free without actually incriminating yourself. Theres a bunch of articles about...
Let them send you any free glasses they like, so long as they aren't charging you "shipping and handling" or any other kind of fee. Or requiring your credit card info for "verification", or your bank...