Three. Phone calls.
I could switch over to an Italian number, but Whatsapp and a few other tools let me do everything I need to when I’m here.
The real reason I keep my U.S. plan is because it’s killer plain and simple. I’m in an old grandfathered plan that when I call into T-mobile for assistance with something the customer service rep inevitably says, “Whoa. Don’t ever give this up.” No problem.
Also, write this down — While in the States, T-mobile seems small and without great coverage outside of major cities, it has by FAR the most friendly International plan of all the major carriers in the U.S. To get the best of worlds I just deal when I’m in the States. There’s nothing better than landing in a country powering on my phone and it works. Just automatically works. Yessss.
Not just because of my grandfathered plan, but their international offerings are free with a domestic plan which includes unlimited data and messaging (which I use for my parents). It does not include phone calls, but I use Skype for all my regular calls.
Through Skype for $6 a month, I have unlimited U.S. calling, for any number. I use this for banks, credit cards, airlines, etc. Or for the random voice mail I may receive.
I know many others that get a local number and that works for them. I’m happy for them and maybe in the future I’ll make a change, but for the past few years this is what has been working well for me and I thought I would share.