Thanks. Sounds like that's the problem. It expired but didn't wait long enough to purchase same add-on. That's crazy though!! I now have $60 in my account and no service!
Trying to re-buy US add-on - selected the $30 plan for 15 days originally and it worked fine - when I bought the same plan again - no service. T-Mobile is showing as the service provider but msg says you cannot complete call because you do not have a...