With most handsets you can. Check your handset user guide, and call Customer Services to let us know at least three days before you go to allow us to enable international roaming on your phone. This depends on us having an agreement with the network operator in that country.
Tip: If this article didn't answer your question, please see if a similar question has already been answered in the Support Forum. If not, please post your question; other customers may be able to help.