How do I purge contacts from the Treo 600?
Best would be to perform a hard reset. This will delete all your contacts, but also all your other data on your phone as well such as mail, sms, call log, settings etc.Unscrew the tip from your stylus
Locate the "RESET" hole on the back of your Treo 600
Press and hold the power button on the top of your Treo and then press the reset button with the stylus pin
Remove the pin from the reset hole FIRST, and then release the power button.
The screen will say "erase all data?", tap the up arrow to answer yes