How to Use a Cellphone Directory to Trace Numbers

If you're tired of getting annoying calls from telemarketers and others, consider using a cellphone directory service to trace the numbers and identify unknown callers.

You will need

  • Internet access
  • Smartphone reverse directory app
  • Reverse directory service fees

Step 1 Enter the number into a search engine Enter the phone number into a search engine. The caller may have entered personal info online.

Step 2 Consider using Smartphone apps Try using reverse directory smartphone apps that allow you to enter a number into a database and get caller names and addresses.

Step 3 Find reverse directory services online Find online reverse directory services like Most of these services charge a fee, but reputable services offer a free search to determine if the cell number is available in their database.

Step 4 Consider directory services offering extra info Consider using directory services that offer info beyond an unknown caller’s name and address, such as a criminal background checks, for safety reasons. Once you have an idea who’s calling, you’ll know what steps to take next.