I believe that the idea is that if you call a senator from another state you should be telling them why you feel that the DREAM Act is good for the U.S. in general, and if possible, their state in particular. Not that you live there, but why you think it is good for the country as a whole.

You should NOT give a zip code for a city you don't live in. That is something that the opposition did last time, and then tried to turn it around and say that the supporters were doing it -- don't fall into that trap, please. Try to do some outreach through your friends, family, social networking groups and get those people to make comments in their states.

As a nationwide reason for support, look at local economies and give a reason why the DREAM Act would help: For example - a senator from a state with a large number of military bases might benefit from the increased enlistment made possible through DREAM Act eligible soldiers.