Originally Posted by
Zeffer
Almost everywhere in the world apart from North America has free incoming calls as long as you're in the country where you bought the SIM.
"as long as you're in the country where you bought the SIM" is the crucial point. A county in Europe might be smaller than a state in the US. And a SIM card bought in Belgium will be expensive in roaming fees as soon as you are more than 100 miles awary from brussels.