Sometimes your GPS can't find the address you are looking for. Usually the place is simply not in its database. But if it exists it can be found, right? Lets see how we can do this:
1. Google maps: If you see it there, input the place in your GPS using map mode. If you still don't see it try another app, in 99% one of these three will have it, so try:
2. Go to local Yellow Pages.
3. Nothing of those worked? Then call for dispatch. Just remember that starting from the end, means calling every time for Dispatch before trying locate the place, can hurt your reputation as a professional.