Yes, but it's expensive.
First, you have to sign up for international service with your service provider .. AT&T. It will cost about $5.99 per month, but you can cancel after 1 month.
Then, your calls, both incoming and outgoing, will cost you $2.99 per minutes. Your incoming txts are free, but outgoing txts are $.45 - $.65 per txt. It add's up very quickly.
Disconnect you're data plan if you have one. Browsing or downloading/uploading images will cost you a bundle. About $20 per mb.
It's very easy to get a $400 or so phone bill in a week of "checking in" with your friends and family.
Even Missed calls are billed at $2.99 per minute.
So turn off the phone, put it in the safe, and enjoy your vacation.