Make Free Calls to Canada with Google Voice
Google Voice now allows you to make free calls to Canada from within the continental US. Previously, you can only make free calls within the US with your Google Voice number.
You can make the call by logging into mobile apps , or by dialing your own Google Voice number from one of your phones and selecting option 2 to place a call. You can also install GV Mobile for a jailbroken iPhone from the Cydia store. GV is now free and can utilize your phone’s Contacts.