One: One of the best ways to lookup cell phone numbers is to go to the website of the service provider that you use. This way will only work if the cell phone you are trying to find the number to uses the same service as you.
Two: You can do a search on any search engine such as, Google or Yahoo and type in lookup cell phone numbers. This will give a list of sites that offer free cell phone number searches. You want to make sure that you check out the website before you use it because some of the sites are free but others offer the phone number lookup service only for a fee. So make sure that you take the time needed to check out the site before you use it.
Three: You can also use reverse cell phone lookup to find the number that you need. This is a relatively new service that is being provided to cell phone users. Some companies will do this for you for free but there may be others that will charge you a small fee for it. One thing you have to realize before you use this service is that if the cell phone has an unlisted number than this service won't work for you.
Unlisted cell phone numbers are very hard to find no matter what way you use to look. The more information you have about the person who owns the cell phone, such as their name or where they live, the easier it will be to find their number.
These are the best ways to use when you want to lookup cell phone numbers. There will be more ways in the future to find the cell phone numbers that you need. However, for now these are the only ways that you will have any chance of finding the number you are looking for. You may need to use more than one method if are having trouble finding it. You just need to start looking and hope for the best until a better way is provided for cell phone users.