Have you ever received a call from someone you don't know and you want to find out who it was? I have, frequently. Like if I get a missed call but they don't leave a message and all I have is their number, it really drives me nuts not knowing who tried to call. Now you can find out who is calling with the reverse phone number look up from Phone Info Tracer. With this service you can look up numbers from the USA and Canada, and your search is completely confidential. No more wondering who that unknown number is, you can find out who they are and where they are calling from with this simple reverse phone number search, it even tells you if the caller is using a landline or cell phone. I just tried it out and it is very quick and all you do is enter the number. Check it out at www.phoneinfotracer.com.