Victory. Went to Nj a while ago, as some opponauts remembered. Racked up $100 in long distance fees, because Canada, and also my gps broke.
I called and whined to the cell phone company (Bell) and my overage's was reduced to $38, and I removed something stupid that costs $7/mo for the rest of my contract. I then paid the $98 I owed before they could change their mind.
That's a lot better.
Tl;DR summary: If you get a ridiculous long distance charge while roaming, moan and complain, it will be reduced.