Mexico and SIMple Calling [single US number SIM only]

[teleroam]

Originally Posted by PhotoJim

AT&T doesn't include free calling to Canada - there is a toll charge (35 cents?) atop the normal per-minute rate.

Did that change recently? In March the AT&T Go Phone (prepaid) was reported as costing the same to call Canada (from Mexico) as calling the US:
http://www.prepaidgsm.net/forum/amer...-mexico-3.html