Searching for people using a cell phone or telephone number involves using the more advanced people search finders which normally involve some kind of fee. The advanced database crawlers will scan large directories looking to match the phone number entered with the name of a person and will attempt to locate their whereabouts. Usually it is easier to find someone using a normal land line telephone number than it is with a cellphone number as many people have several mobile phone numbers throughout their lives and often do not keep them for long.
The beauty of the more advanced search facilities is that if they are successful in locating a person by using the information and phone number that is entered then results will be displayed almost instantly on the screen, there is no waiting for an email to arrive, so it is fast and convenient. If more information is available on the person you are looking for then it will all be displayed neatly and clearly in its own profile.
The fees involved with running these types of advanced people searches online will vary from one to the other so it is best to shop around a bit but most will definitely accept online payments from all major credit cards no matter where in the world you are and the costs are usually fairly cheap. In some cases it is possible to get detailed information on somebody you are trying to locate including details such as full addresses, email addresses, ages and more just from doing a search online using a persons phone number.