I lost my droid. It probably has no charge left. How can I locate it's location?
More aboutlocate lost phone
If it's off, you can't locate it using electronic methods. Look around the area you lost it.
contact your phone company. they have ways to help you get your phone back. i believe it will be costly. so long as you get your phone back...
Last time when the phone was in the on state that location can be easily traced by contacting the service provider that is the mobile company, they might also have measures/ways to trace out the current location of your phone.