Cell phone number reverse lookup?

Last night I got a harassing phone call that really disturbed me. I know it's someone that goes to my school (or someone I know) and I'd really like to know who it is. I went to a reverse lookup site and the only information I could get was the phone's location and where it was purchased. I couldn't find the owner's name because I had to pay for it and I don't have a credit card.

I was wondering, if anyone has a subscription/membership to a site that allows unlimited reverse cell phone lookup owner information, could you look up the number for me?

The number is:
786-512-7473

Thank you SO MUCH in advance. I'll pick the first thorough answer as the best =]

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