To save cost running this service, these Look Up Service Companies require a very low fee subscription in order to keep having access to the database. Although, you may want to try free service, this is not wrong. If the phone number you are looking for is not listed, you can be rest assured that there will not be any result for it. There is no crime in trying but there is no point wasting your valuable time when you fully know well that you can find a detailed result to your search with a cost next to nothing. To look up a number is really pretty simple, all you need do after subscribing is to simply enter the number into the search box of the directory and hit the search button. In a minute, you will have the result available to you to use but always bear in mind that the service is only meant for legal purpose.