Looking up a phone number on Google sometimes works, especially for people with land lines or businesses, but nobody uses a land line anymore. The problem is that there’s no official directory for mobile phone numbers. The major cell phone providers with the exception of Verizon Wireless have a collaborative project in the works to create a comprehensive directory, but it’s still off in the distance a ways reverse phone call lookup. The other drawback is that it will be on a volunteer basis where customers will provide their own information and in turn can search the database.