Staying connected in Mexico.

Mexico is the friendliest destination in this whole section, because the big three treat it almost as an extension of home. T-Mobile includes Mexico on Magenta, Go5G and Go5G Plus. Verizon includes it on its unlimited plans, and the Simplicity Plan launched in June 2026 spells out unlimited talk, text and data roaming in Canada and Mexico. AT&T works in Mexico on most unlimited plans, riding AT&T Mexico, Telcel or Movistar depending on where you are, and calls to Mexican numbers are included on most current unlimited talk and text plans.

Compare that with what the same carriers charge for Europe, roughly 12 dollars a day, and you can see why Mexico gets treated differently. It is bundled, not sold. So the first and often only step is to open your carrier app and confirm that international roaming in Mexico is switched on and included on your specific plan.

We will be blunt about our own position here, because it matters. We earn a commission when someone buys an eSIM through us, and on this page most readers should not. Telling you to buy nothing is the point of the site rather than an exception to it. If you are on a current unlimited plan and staying in the cities or the tourist corridors, you are done: turn on roaming, land, and get on with your trip.

Prepaid, legacy and basic plans. This is the biggest gap. Older plans and many prepaid tiers were never sold with North American roaming, and on those you can land on per-minute long-distance charges instead. If your plan is not a current-generation unlimited plan, assume nothing and check it explicitly.

Budget carriers and MVNOs vary enormously. The instructive case is Visible, which Verizon owns and which runs on Verizon's network, yet includes Mexico and Canada only on its Plus and Plus Pro tiers rather than the base plan. Being on a major network is not the same as being on a plan that travels. Mint, Cricket, Metro, Boost and the rest each have their own rules.

Included does not always mean unlimited. T-Mobile's Better Value plan, launched in January 2026, comes with 30GB in Mexico and Canada rather than unlimited, and across carriers you may hit reduced speeds after a threshold. For a week of maps and WhatsApp that is irrelevant. For streaming or working, read the number.

Hotspot and long stays are conditioned separately. Tethering can be restricted or unavailable while roaming even when your own data works, so check it if you plan to work off your phone. And carriers monitor extended roaming: a month in Oaxaca is a different proposition from ten days in Cancun, and prolonged use abroad can bring reduced speeds or restricted service.

Here is the thing that changes the decision, and it is a coverage question rather than a price one. Telcel is dominant, with roughly 60 to 65% market share and reported population coverage near 99%, and crucially it is the network you can actually rely on beyond the tourist belt: the Oaxaca backcountry, Chiapas, Baja, the Copper Canyon, long highway stretches. In the cities all three networks are fine. Outside them it is close to a one-horse race.

That has an awkward implication for travel eSIMs, including the one we link. Many of them ride AT&T Mexico or Movistar rather than Telcel, and providers do not always state which network they use. Sources disagree about which network specific brands run on in Mexico, which is itself a reason to check at the point of purchase rather than trust a comparison page, ours included. If your trip is city and resort, this does not matter. If you are going remote, the network is the whole decision and a cheaper plan on the wrong network is worse than no plan.

For genuinely remote travel the reliable answer is a local Telcel prepaid SIM, bought in Mexico. Telcel's Amigo prepaid packages run roughly 100 to 500 pesos, about 5 to 25 dollars, for something in the range of 3 to 10GB over 30 days, which works out cheaper per gigabyte than any travel eSIM. You can buy chips and top-ups for cash at Oxxo stores, which are everywhere. As of 2026 travelers also report being able to convert a Telcel prepaid SIM to an eSIM at a full Telcel Centro de Atencion a Clientes, taking around 15 to 30 minutes, which finally makes Telcel usable on newer US iPhones with no SIM tray. Not every small kiosk can do it, so go to a proper service centre.

If you are on a current unlimited plan and staying in cities, resorts or the main tourist corridors: confirm roaming is on and buy nothing. That is the answer for most people reading this.

If you fall into one of the four gaps above, prepaid or legacy plan, a budget carrier that excludes Mexico, a cap too small for how you use data, or a hotspot you actually need, then a travel eSIM bought before you fly is the least hassle and is cheaper than any pay-per-use roaming, which you should never do.

If you are going beyond the tourist belt, buy for coverage rather than for price, and that means Telcel. Either a local Telcel prepaid SIM once you arrive, or an eSIM you have confirmed runs on Telcel. Download offline maps either way, because no plan fixes a dead zone.

For what your card does at the till once you are there, see the Mexico cash and cards guide. Canada is the other trip where your existing plan often covers you, and that is written up in the Canada connectivity guide. The wider picture is on our staying connected page.

Common questions

Quick answers.

More on Mexico

The little money things nobody warns you about.

• Do I need the FMM tourist card for Mexico, and what is Visitax?Short answer: if you fly in, the tourist card is already in your ticket, so you do nothing separate. The one fee that is genuinely on you is Visitax, but only if you are headed to Cancun or the Riviera Maya. Here is what you actually owe.
• Do I need cash in Mexico, or can I use cards?Short answer: cards for the big things, pesos for the small ones. The mistake that costs tourists most is paying in dollars instead of pesos. Here is how to pay well and get cash safely.
• Uber and DiDi in Mexico, and the Cancun airport catchIn most of Mexico an app makes the whole thing easy, but the airports are where it gets complicated, and Cancun is its own world. Here is which app to install, what the Mexico City airport rules actually are, and how to leave Cancun airport without getting stung.
• Bringing your dog or cat to Mexico.Mexico is one of the easiest destinations for a US pet owner. There is no health certificate to file, no quarantine, and no waiting period. The catch is not getting your pet in, it is bringing a dog back: since late 2024 Mexico is treated as screwworm-affected, so US dogs returning home need an extra certification. Here is the whole picture, both directions.
• Tipping in MexicoMexico has a genuine tipping culture, la propina, and it works a lot like home but with a few important differences: the amounts are a little lower, cash in pesos is strongly preferred, and tourist resorts sometimes slip a service charge onto the bill before you add one yourself.
• What does seeing a doctor cost in Mexico?Good news for the small stuff: routine care in Mexico is fast, walk-in, and inexpensive, often just a few dollars. The part worth planning for is the rare, expensive emergency, where a private hospital asks for a deposit before it will treat you.
• What does renting a car in Mexico really cost?Booking a car in Mexico is where a great-looking rate turns into a surprise at the counter. The reason is one mandatory insurance that almost never shows up in the online price, and that your US coverage does not satisfy.
• What do attractions really cost in Mexico?Two things catch visitors out at Mexico's big attractions: the headline sites often charge more than one fee at more than one window, and almost everything wants pesos in cash. Here is what the gate actually costs.
• When is Mexico cheapest, and when do prices spike?The same hotel in Cancun can cost twice as much in January as in June. When you go changes the price more than almost anything else, so here is the calendar in money terms, including one domestic surge most foreign visitors never see coming.
• What does an all-inclusive really cost in Mexico?All-inclusive covers the basics well, but it is not everything, and a few costs are added at the front desk rather than shown when you book. Here is what the package leaves out, so the final bill does not surprise you.
• Common money scams in Mexico, and what they cost youMexico is safe for the great majority of visitors, and almost none of this is dramatic. These are ordinary money traps, overcharges and pressure tactics aimed at tourists, and a few simple habits defuse nearly all of them. Here is each one, what it costs, and how to sidestep it.