Check with your cell service provider.
Buy Roaming sim cards.
if he has free roaming no it doesn't (if he even gets signal) Without roaming it depends on the carrier.
That depends on your plan and coverage area. Unless you have a special cell package for the job corps that likely does not matter in terms of roaming.
No, a child cannot travel internationally without a passport.
If you are traveling internationally, you can take your GSM cell phones and avoid expensive international roaming charges by using a prepaid SIM card. Before leaving, call your cell phone carrier and inform them that you'll be traveling internationally and ask them for an unlock code. After unlocking the phone, you will be able to use your unlocked cell phone with any other carrier's SIM card. When you get to your destination, simply buy a prepaid SIM card and insert it into your device. You will be able to use your phone on your vacation without paying outrageous roaming fees.
Activation of the service is easy: Just text "ROAM ON" to 222 (free of charge), and your roaming service is immediately activated. With Sun's roaming service, you can make and receive calls and texts.
No, a US citizen cannot travel internationally without a passport.
NO
In most cases, just dial the US number the way you normally would, although the cell phone's owner may pay very expensive international roaming charges, depending on the terms of their contract.
You'll get hella roaming charges, and if you're phone is on airplane mode, then no.
It is not possible to travel internationally without a passport. A passport is a necessary travel document that is required for crossing international borders.
No, babies need a passport to travel internationally, regardless of their age.