Privus Mobile for BlackBerry offers a caller name lookup that complements the already-existing Caller ID service on your device. The application has recently been updated and the updated is available free for existing customers.
With the latest update, users can receive the name registered to any phone number by simply inputting the number in the name lookup interface. When you receive a call, the app will ping a database of major carriers for the Caller ID information, which is then passed on to your device. After identifying the caller, you have the option to add the user to your contact list.
The application is compatible with all BlackBerry devices including the new BlackBerry Tour 9630, BlackBerry Curve 8520 and BlackBerry Bold.