For anyone else experiencing this issue know that Public, or any other provider, has very little control over connectivity abroad. I've found there are lots of patchy spots in the US in general. One cool feature of Google maps is that you can downloa...
I chatted with an agent on the Public website and they said the promo could end any time. I pointed out it could take time for a SIM card to arrive and they basically shrugged. If you want to make sure you get the promo I'd head to a store to buy one...