the author of this app says:
TurboCall is a CallerID and US/CA number location query application for blackberry smartphones.
TurboCall is feature-rich, main features are as follows:
* Support 190 countries, US/CA 305 area codes, about 15,000 cities and 150,000 number prefixs, US number owns line type (Landline/Cell Phone). * Show number location of Incoming call. * Show number location of outgoing call. * Query in system modules - Query location of numbers in Phone, SMS or Contacts interface. * Call Alert - Vibrate on call connect or disconnect