Mexico and SIMple Calling [single US number SIM only]

[teleroam]

Originally Posted by PhotoJim

It certainly wasn't toll-free to Canada last February when I was in San Diego. I didn't try it when I was in Rapid City, SD in September.

That's where the confusion is. We're discussing roaming in MEXICO (not making calls from the US). In Mexico (only) the AT&T prepaid GoPhone costs the same to call the Canada as to call the US.

(AT&T does show a 19c surcharge to call Canada from within the US).