Mexico roaming package monthly cost

It depends on your plan.

I can add it for free on mine - Mobile Share Value plan over 15 GBs

 https://www.att.com/shop/wireless/international/mexico-roaming-bonus.html

It is free for me to call/use within Mexico.  Should I want to call/text from U.S. to Mexico, I can add the $5 World Connect Value Plan.  

Log into your account and navigate to the plan section, then international.  You might see the Free Mexico Bonus plan you can add to an individual line!

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@RansZ28 wrote:

It is free for me to call/use within Mexico.  Should I want to call/text from U.S. to Mexico, I can add the $5 World Connect Value Plan.  

Log into your account and navigate to the plan section, then international.  You might see the Free Mexico Bonus plan you can add to an individual line!

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FWIW...

If you have a 15GB or higher Mobile Share Value Plan you get unlimited talk and text from the US to both Canada and Mexico...

https://www.att.com/shop/wireless/data-plans.html