Three eSIM Mexico 2026: Promo Code, Data Plans & Prices
Three eSIM Mexico 2026: promo code, plans and prices. How much does it cost? Rates by days and GB, from the cheapest to the largest data package.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
Three plans and prices for Mexico
Three for Mexico FAQ.
Is there a Three promo code for Mexico?
+
Yes. Use our code when you buy a Mexico plan on MobiMatter. Enter it at checkout.
How much does the cheapest Three eSIM for Mexico cost?
+
The cheapest Three eSIM for Mexico costs $41.99 and gives you 13 GB for 365 days. It's the global eSIM, which also works in other countries. We recheck prices daily, so this price is up to date. You can buy it on MobiMatter, the eSIM marketplace that sells Three plans.
Does Three work in Mexico?
+
Yes, Three works in Mexico on its global eSIMs. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.
How much is a Three eSIM for Mexico for 7, 15 or 30 days?
+
Every Three plan for Mexico lasts 365 days, so the same plans cover a 7-, 15- or 30-day trip.
Does Three have an unlimited data eSIM for Mexico?
+
No, Three has no unlimited plans for Mexico, so every plan comes with a set amount of data. Its plans run at full speed with no daily limit.
What is Three, and is it good for Mexico?
+
Three eSIMs are sold through MobiMatter, an eSIM marketplace, with plans covering 99 destinations.
How much does 1 GB of data cost with a Three eSIM in Mexico?
+
With Three, 1 GB in Mexico can cost as little as $2.88 on the global eSIM, which has 26 GB for 365 days.
Can I use a Three eSIM as a mobile hotspot in Mexico?
+
Yes, every plan from 3 lets you share data through a personal hotspot.
Does Three have a phone plan with a number for Mexico?
+
No, the Mexico plans from 3 are data only, so your home number stays on your main SIM. You can still call and message people through WhatsApp or other apps.
Can I buy a Three eSIM before my trip to Mexico and use it later?
+
Yes, you can buy it ahead, but install it within 2 months of purchase. The days start counting as soon as you install the eSIM, so install it shortly before your trip.
Can I top up a Three eSIM?
+
Yes, you can top up a 3 eSIM in the MobiMatter app or on the MobiMatter site, with no new QR code. A top-up is a new package with its own days, and it doesn't extend the old one.
Does Three have a global eSIM that works in Mexico?
+
Yes, Three has 2 global plans. These keep you online as you cross borders. Three has no Mexico-only plan, so each of its eSIMs here also works in other countries.
Guides and reviews.

Best eSIM for Mexico in 2026: My 5 Picks Compared
Find the best eSIM for Mexico travel in 2026. Compare travel eSIMs for city weeks, beach trips and road trips, with unlimited data or calls.
Nomad eSIM Review 2026: Is It Good? Prices, Speed, Hotspot
Nomad eSIM review: is Nomad legit and who owns it? How it works, prices, speed and 5G, unlimited data, hotspot, free trial, top-ups and refunds.
Airalo eSIM Review 2026: How It Works, Prices and Speed
Airalo review: is Airalo legit and how does it work? Prices, networks and speed, unlimited data, hotspot, top-ups, refunds and customer support.
