Diri Mobile Telephone Service

Hola.
I use TelCel amigo sin limite. 200 pesos for 30 days. 3GB data plus unlimited calls anywhere in Mexico, the USA and Canada. More data is available for more pesos, don't know how much
I have never run out of data for my use

That's a pretty darned good deal. Thanks for the tip. May I ask which mobile phone you use with this service? OnePlus (sp?) phones seem to be very popular in Mexico.

If you have a Google account, you can use Google Voice and a Virtual Private Network (VPN) to make calls in the U.S. and Canada using Voice Over Internet Protocol (VOIP) providing your Internet service is not very slow. It works pretty darned well. You can also make international calls for very reasonable rates. Google Voice is still free but they could start charging anytime.

I looked at that package, but it doesn’t seem very attractive for Canadians. From the Terms and Conditions…

https://www.telcel.com/personas/telefonia/amigo/paquetes-end/paquetes-amigo-sin-limite#

The Megabytes (MB) included in the package may be used within Mexico and the United States. The use of the MB included for free navigation in the Package, while in Canada, is limited to 50 MB (for Packages 20 and 30), 100 MB (for Packages 50 and 80), 200 MB (for Packages 100 and 150), to 500 MB (for Packages 200, 300 and 500), of those included for free browsing. Once the data usage limit is reached while in Canada, the MB consumed while in Canada will be debited from the additional data package that the customer has contracted or, failing that, on demand according to the rate per additional KB established later for the Collection scheme.

In addition, the plans may be appealing to Mexicans who travel, but not for foreigners who spend considerable time in Mexico.

Again from the T&C…

To guarantee reasonable use and avoid permanent use outside the National Territory of unlimited voice, SMS and/or data services (No Limit) offered as "Without Border" are subject to the following:

The “Borderless” Services ARE NOT FOR PERMANENT INTERNATIONAL USE.

• It will be considered that there is a Permanent International Use when any of the following assumptions occur:

i) The user has made use of the “Sin Frontera” services for a period equal to or greater than 29 continuous days outside the National Territory; that is, without having registered national traffic within the Telcel network in the indicated period; or
ii) When the monthly voice, SMS and/or data traffic is within the coverage "Without Border" (USA and/or Canada):

a) It is greater than the average number of minutes and/or SMS consumed by the user during the last 3 months within the National Territory, or
b) It is greater than 100 minutes and/or SMS; or

In my use scenario, I would be in Mexico for six to seven months per year in blocks of two to four months, so I would quickly be deemed to be in “permanent international use”.