I am at&t now but still have old Droid Razr HD that I used on Verizon before. I know it has snapdragon S4 chip that supports standard GSM bands and today's Verizon phones are unlocked global phone. So you should be able to swap SIM for GSM carrier when traveling abroad.
So I tried to activate it for my daughter on Cricket but it didn't work.
I was out with my girlfriend and without even thinking about it I bought her mom a Cricket Galaxy S4 as a christmas present for $150.
As soon as I got home I realized that Cricket's changing out all thier CDMA phones. So I looked around and couldn't find quite what I was looking for and would like to make a post to maybe find some information.