Where can i purchase a calling card to use over in Italy?

I am a bit confused on what a SIM card is, and how to use it. I will be travelling to India, and I would like to use my cellphone there. Is a SIM card just used for getting a signal? Or is it like a calling card with minutes??? Where can I buy a SIM...

I'm thinking my best option for staying in phone contact with my one or two overseas friends (mainly UK) might be a calling card. Can anyone recommend a specific card? Please don't suggest Skype. Won't work for this case. I'd be calling from the US ...

I was wondering if anyone knows of a $ 2 calling card one can purchase in a grocery store or liquor store to call Costa Rica. I live in Corona, California and was looking for a $ 2 calling card that gives you a lot of minutes, has a good connection and...

So i'm going on a cruise outside of the US and when the boat is docked I want to be able to use my phone, roaming charges are outrageous and I heard something about calling cards? If I purchase a calling card does that still apply the crazy roaming fee...

first i go to walmart i get the card i buy it the cashier activates it i go home activate for online use by going on the website or calling them makey purchase with the code provided on the card are these steps right

i uses calling card to call india. and normally, i uses BOLT and superstars. but when the last time i went to buy it from local convenient store, both calling cards were sold out and none were left so i was in emergency needed to buy new calling card...

Or do I have to keep porting my number back and forth when I want to alternate cell phones? I want to buy the Samsung Galaxy Precedent android phone that requires a more expensive monthly calling card. I still want to be able to keep and use my usual...

I use calling card to call someone and I use Skype. When it says enter your authorization number and I enter it. It says it is invalid. When I enter that via some other phone or even ...show more