*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.
If you have more than one line, you may be able to use Family map.
As Geekboy said, even Familymap won't be able to use the phone's gps, without local setup, but it will be able to tell you the location of whichever tower it's connected to . . . Which can be a few miles away.
I personally think that that's just about useless, but it's available in case you think otherwise.
*I am an AT&T employee and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.