URL: https://esimworld.us/roaming/att/mexico-canada/
Source: eSIM World (esimworld.us)
Author: Nadezhda Semenova, entrepreneur, co-founder of the Trippy travel service, https://esimworld.us/author/
Updated: October 30, 2026
Prices: in US dollars, the same as on the site and at checkout.

# Does AT&T work in Mexico and Canada? Included on eligible AT&T plans, but roaming may be 2G

Eligible AT&T unlimited plans include talk, text and data in Mexico and Canada. AT&T warns: "Roaming may be at 2G speeds" (checked on October 29, 2026, [AT&T Mexico and Canada](https://www.att.com/international/canada-roaming/)).

This site is not affiliated with AT&T; we sell eSIMs. [How we compare](https://esimworld.us/how-we-compare/)

Does AT&T work in Mexico? Yes, on eligible AT&T unlimited plans, and you may not need an eSIM. A normal trip runs on your own line and number, with no Day Pass.

Two traps come first. Without an eligible plan, AT&T bills $2 a minute for calls and $2.05 per MB of data. Three AT&T Prepaid plans include only calls to Mexico and Canada from the US.

"AT&T México" is a Mexican carrier, not your US plan. We compare public packages; check your own plan.

## Which AT&T plans include Mexico and Canada?

AT&T's plan page shows Mexico and Canada included on all four unlimited plans it compares: Elite 2.0, Premium 2.0, Extra 2.0 and Value 2.0. Each gets talk, text and plan data in and between the US, Mexico and Canada (checked on October 29, 2026, [AT&T plan comparison](https://www.att.com/support/article/wireless/KM1182926/)).

Elite 2.0 and Premium 2.0 also include other countries; that part is on our [AT&T roaming page](https://esimworld.us/roaming/att/). On long-stay limits, AT&T prints no 50/50 rule on the pages we checked ([AT&T Unlimited Data Without Borders](https://www.att.com/international/unlimited-data-without-borders/)).

On other plans, North America roaming is an add-on: AT&T says customers can "add the Roam North America feature to select plans". The page prints no price for it, so check your plan with AT&T before you cross the border.

Otherwise AT&T bills pay-per-use: $2 a minute for calls, $1 per text and $2.05 per MB ([AT&T pay-per-use rates](https://www.att.com/international/pay-per-use-rates/)). Two minutes of calls plus 50MB come to $106.50 (our arithmetic). On such a line, turn data roaming off before the trip.

### Calls back to the US

Talk and text in and between the US, Mexico and Canada are part of the same benefit. A call from Cancún to a US number is included on an eligible plan.

## What speed will you get in Mexico and Canada?

AT&T's Mexico and Canada page warns "Roaming may be at 2G speeds" (checked on October 29, 2026, [AT&T Mexico and Canada](https://www.att.com/international/canada-roaming/)). It adds that AT&T "may temporarily slow data speeds if the network is busy".

For Mexico, AT&T's other page reads: "Mexico: 2G off net data speeds may apply" ([AT&T in Mexico](https://www.att.com/international/unlimited-data-without-borders/)). AT&T prints no speed figure beyond 2G, so plan a data-heavy trip for the slow case.

A Reddit user in r/ATT, answering a traveler in Cancun, described the split: high speed on one Mexican network, "up to 2G speeds" on another ([Reddit, May 2023](https://www.reddit.com/r/ATT/comments/13uaivz/comment/jlzzgsg/)). That is one 2023 account, not an AT&T statement.

## Which AT&T Prepaid plans include Mexico and Canada, and which don't?

Two AT&T Prepaid plans have Mexico and Canada included: Unlimited Enhanced Plus, $45, and Unlimited Ultra, $45 for the first 6 months, then $60. Canada data is capped at 25GB a month, and 5G applies only in the US (checked on October 29, 2026, [AT&T Prepaid plans](https://www.att.com/prepaid/plans/)).

| AT&T Prepaid plan | Mexico and Canada |
|---|---|
| Unlimited Enhanced Plus, $45 | Included, 25GB/month cap in Canada |
| Unlimited Ultra, $45 first 6 months, then $60 | Included, 25GB/month cap in Canada |
| $20/month (12 months prepaid, $240) | Calls from the US only |
| AT&T Prepaid Unlimited, $25 | Calls from the US only |
| Unlimited Saver, $35 | Calls from the US only |

On the three cheaper plans you can call Mexico or Canada from the US, but the plan includes no service there.

A travel eSIM needs an unlocked phone. [Is my phone unlocked?](https://esimworld.us/unlock/is-my-phone-unlocked/) has the check, [AT&T unlock rules](https://esimworld.us/unlock/att/) the waiting periods, and [Does my phone support eSIM?](https://esimworld.us/esim-compatible-phones/) the hardware.

## When a Mexico or Canada eSIM makes sense on AT&T

On an eligible plan, a week of maps and messages in Mexico or Canada needs no eSIM. Our Mexico plan, 5GB for 30 days at $12.99, data only, makes sense if you want Movistar 4G instead of a possible 2G.

| Your situation | On AT&T | Our plan, data only |
|---|---|---|
| Week in Cancún, maps and messages, eligible plan | Included; Day Pass not needed in Mexico | None needed |
| Month in Mexico, video calls, eligible plan | Included; roaming may be 2G | $17.99, 10GB, 30 days, Movistar 4G ([Mexico eSIM](https://esimworld.us/esim-mexico/)) |
| Trip to Mexico, Prepaid $20, $25 or Saver | Calls from the US only | $12.99, 5GB, 30 days |
| Trip to Canada, Prepaid $20, $25 or Saver | Calls from the US only | $20.99, 5GB, 30 days, Bell 4G ([Canada eSIM](https://esimworld.us/esim-canada/)) |
| Canada, Prepaid Enhanced Plus or Ultra, over 25GB | 25GB/month cap in Canada | The Canada plan above |

Hotspot on our plans: the plan doesn't state a hotspot rule — check the plan page.

Keep the AT&T line on for calls and texts, and set the travel eSIM as the data line ([Dual SIM](https://esimworld.us/help/dual-sim/) has the steps). Our Mexico and Canada plans are data only; your US number stays on your main line for 2FA codes and texts. [Roaming or eSIM](https://esimworld.us/roaming-or-esim/) compares the options, and our guides cover [Mexico](https://esimworld.us/sim-card/mexico/) and [Canada](https://esimworld.us/sim-card/canada/).

## Frequently asked questions

### Will AT&T charge me roaming in Mexico?

No, not on an eligible AT&T unlimited plan. Talk, text and data in Mexico and Canada are included, though roaming may be at 2G speeds (checked on October 29, 2026). Without an eligible plan, AT&T bills $2 a minute for calls and $2.05 per MB of data.

### Why is my AT&T phone not working in Mexico?

Check the plan first: AT&T Prepaid $20, $25 and Unlimited Saver lines include only calls to Mexico from the US, not service there. On an eligible plan, AT&T warns that roaming may be at 2G speeds (checked on October 29, 2026). For a line that still shows no service, see the [data roaming switch](https://esimworld.us/help/data-roaming/#turn-on-off) and [eSIM no signal](https://esimworld.us/help/esim-no-signal/).

### Do I need a Day Pass for Mexico or Canada?

No, not on an eligible AT&T unlimited plan: Mexico and Canada are already included (checked on October 29, 2026). AT&T's International Day Pass, $12 a day on unlimited plans, is for travel elsewhere on its list of 210+ destinations. AT&T's Prepaid pages do not state a Day Pass.

*Sources are linked in the text. Carrier terms change: for the terms of your own plan, check with AT&T.*

## Sources

- [AT&T: Mexico and Canada](https://www.att.com/international/canada-roaming/)
- [AT&T: plan comparison](https://www.att.com/support/article/wireless/KM1182926/)
- [AT&T: Unlimited Data Without Borders](https://www.att.com/international/unlimited-data-without-borders/)
- [AT&T: pay-per-use rates](https://www.att.com/international/pay-per-use-rates/)
- [AT&T Prepaid: plans](https://www.att.com/prepaid/plans/)