I would order a sim kit from Amazon, just to be safe. Otherwise, I would place the cricket order online on 6/17. Verizon should prorate your bill for the few days you're on it following the expiration of your contract.
Be sure to read and follow these recommendations. As long as vials or pens are stored unopened in the refrigerator (at 36 to 46 degrees Fahrenheit), they are good until the expiration date on the container. Questions about the insulin's potency start when you open the vial or pen and begin to use it.
Medical treatment abroad will depend on your insurance. Firstly, check if you do need to keep your insulin cool. While itâs best to be prepared, insulin can handle short trips when not refrigerated. Itâs the exposure to extremes of heat that can deactivate it. Keep insulin in hand luggage if you are taking a plane-if it goes in the cargo hold with the luggage it might freeze which will deactivate it.