A cell number can be traced in two different methods: A. Locate the cell phone number with the help of details that are available publicly. B. Locate the cell phone number with the help of reverse cell phone number directory. The first method will provide you only the details that are available in public sources like online user profile or a listed entry in a residential phone directory. Where as the second method will provide you access to special databases which have all types of information regarding the owner of the cell phone number even if it is private and unlisted.

AT&T and Bell have worked together to devise the North American Numbering Plan or NANP, which states that all phone numbers, whether they be cell phone numbers or land line numbers, have to consist of ten digits that are grouped into three parts: a) Area code (first three digit group) b) Office code (second three digit group) c) Line number (last group of four digits).

trace cell phone number:Free traces of private, unlimited cell or land line number reveal only information on the first two of the three parts. This will fine-tune state and region within the state wherein the cell phone owner you're looking for resides--or, at least, holds a cell phone account. You may even be lucky enough to narrow down the search to the true mailing zip code associated with the number in question. But that's as far as the information goes.

You'll have an incredible amount of difficulty finding anything about any phone number's line number without some assistance. Luckily, this is the exact kind of job for a paid reverse cell phone number lookup service.

To trace out the cell phone number you need to access the directory in a reverse way. But most of the free online directories do not included the cell phone numbers which make it useless in this regard. However, a paid reverse cell phone directory gives you access to databases containing numbers of all cell phone users through out United States. With this you can trace out the identity of any private or unlisted cell phones owners. It also give you the address, employment status, relatives names and numbers and other pertinent data like connection status and history. With the addition of this web based services and professional assistance the paid up reverse phone directory is much useful compared to the small amount of money you pay for it.