How can I find people by cell phone number in USA? I have been looking the solution for this question. Though, I am in California this time and I have to meet with a person, but I am unable to find the person. I do have his cell phone number but it is out of reach this time. if you have any idea about this service, please help me. it is very urgent. There must be some way to trace the people with the help of his cell phone number. Can it be done with any websites? Please HELP ME!