AT&T roaming in Mexico: what it costs, and when an eSIM is cheaper
Data in Mexico is included with Unlimited 2.0 postpaid. An eSIM for 7 days and 6 GB costs from $15.50 (Nomad).
The best eSIMs in Mexico for a week
For 7 days and 6 GB
- 1Best unlimited
Ubigi
Unlimited · 15 days
$58.00$3.87 per day- 5 GB a day at full speed, then reduced speed
- Networks: Altán Redes, Movistar, and Telcel
- Hotspot allowed
- 2Cheapest
Nomad
10 GB · 30 days
$15.50$1.55 per GB- Lowest total price for 7 days
- Networks: AT&T and Movistar
- Hotspot allowed
- 3Best price per GB
Orange Travel
20 GB · 14 days
€17.99€0.90 per GB- Lowest price per GB for this trip
- Networks: AT&T, Movistar, and Telcel
- Hotspot allowed
Three steps, three questions: the best unlimited plan, the cheapest and the best price per GB, from three different providers. How we pick the podium · Affiliate links
AT&T or an eSIM in Mexico: our verdict
Depending on your plan and trip length, at the prices read on October 22, 2026.
With your AT&T plan
Keep AT&T
Data in Mexico is included in AT&T’s reference plan at no extra cost, within your allowance abroad.
With an eSIM, 7 days and 6 GB
$15.50
Today’s lowest price, from Nomad. Useful if you go over your plan’s allowance.
See the planAffiliate links
Data in Mexico with AT&T: our analysis
What AT&T’s rate sheet and eSIM prices show, as checked on October 22, 2026.
If you go over your allowance
- 3 daysNomad$7.00
- 1 weekNomad$15.50
- 2 weeksOrange Travel€17.99
- 1 monthOrange Travel€39.99
eSIMs in Mexico at a glance
- In Mexico, we compare plans from 7 eSIM providers: GigSky, GoMoWorld, Jetpac, Nomad, Orange Travel, Ubigi, and Yesim.
- The cheapest unlimited plan for a week is from Ubigi: $58.00 (Unlimited · 15 days).
Plan by plan
What applies in Mexico depending on your AT&T plan.
What AT&T’s official rate sheet sets out in Mexico, offer by offer. “Included” means at no extra cost, within your allowance abroad: your AT&T account shows the one on your line.
| Plan or offer | Data in Mexico | Good to know |
|---|---|---|
| Included in Unlimited 2.0 plans (Value, Extra, Premium, Elite): plan talk, text and data at no extra charge | Included | Prepaid: inclusion depends on the plan price (see the 'AT&T Prepaid: Canada and Mexico depend on the plan' offer). Other postpaid plans can add the Roam North America feature (price not found). |
| Unlimited 2.0 postpaid | Included | Included |
What your trip costs
With the AT&T roaming rate, against today’s cheapest eSIM, for everyday use.
| Trip | With AT&T | Cheapest eSIM | The offer |
|---|---|---|---|
| 3 days · 3 GB | Included with Unlimited 2.0 postpaid | $7.00 Nomad | See the plan |
| 7 days · 6 GB | Included with Unlimited 2.0 postpaid | $15.50 Nomad | See the plan |
| 14 days · 12 GB | Included with Unlimited 2.0 postpaid | €17.99 Orange Travel | See the plan |
| 30 days · 24 GB | Included with Unlimited 2.0 postpaid | €39.99 Orange Travel | See the plan |
Affiliate links
Mexico with other US carriers
The same trip with the other US carriers we track, from their official rate sheets.
All 4 US carriers we track include Mexico in at least one plan: AT&T, Google Fi, T-Mobile, and Verizon.
Verizon
Google Fi
T-MobileIf you take an eSIM: the settings with AT&T
Four settings, before you leave or on the plane.
- 1
Install the eSIM at home
Buy it and scan its QR code before you leave: with most providers, the plan only starts when you first connect at your destination.
- 2
Keep AT&T for calls
In your settings, keep your AT&T line for calls and texts, and pick the eSIM for mobile data.
- 3
Turn off AT&T roaming
On iPhone: Settings › Cellular › your AT&T line › Data Roaming. On Android: Settings › Mobile networks › Roaming.
- 4
Keep eSIM roaming on
A travel eSIM uses the local networks: its data roaming must stay on.
AT&T roaming in Mexico: your questions
Answered from the AT&T price guide and today’s prices.
Is data in Mexico included in my AT&T plan?
Yes, with Unlimited 2.0 postpaid.
AT&T or an eSIM in Mexico: which is cheaper?
If you go over your allowance, an eSIM can take over: for 3 days, $7.00 (Nomad); for a week, $15.50 (Nomad); for two weeks, €17.99 (Orange Travel); for a month, €39.99 (Orange Travel).
Which US carriers include Mexico?
All 4 US carriers we track include Mexico in at least one plan: AT&T, Google Fi, T-Mobile, and Verizon.
Which network does an eSIM use in Mexico?
The cheapest one-week eSIM (Nomad) uses AT&T and Movistar. Depending on the plan, the 7 providers we compare in Mexico list Telcel, AT&T, Movistar, and Altán Redes.
How do I avoid roaming charges in Mexico?
Use a travel eSIM for data and turn off data roaming on your AT&T line. You keep your number for calls and texts.
Can I keep my AT&T number with an eSIM?
Yes, on an eSIM-compatible phone: your AT&T line stays on for calls and texts while the eSIM carries the data.
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