Best data SIM card prepaid to Mexico: Which one to buy?

Find out the best SIM data sim card to Mexico and have an unlimited internet connection and local calls on your mobile. This 2021 comparison can help you.

If you travel all around Mexico country you need an internet connection to use applications like WhatsApp or Google Maps, but be careful with roaming: your operator could charge you up to 12 euros per MB, its very expansive.

If you visit Mexico City, paraisos, Cancun or La Riviera Maya, maybe you would get a sim card to Mexico that includes unlimited data and domestic calls. It means you’ll come back without extra charges for international roaming at your home. 

Another option (if your mobile is compatible) is to get an eSIM or embedded SIM very convenient under coronavirus because you only have to receive it by email and scan it into your mobile.

We contrast the best sim card options for Mexico, from prices, amount of data, high-coverage and usability. Get ready to save extra money cause of the roaming.

Buy at Roami your Holafly Mexico SIM card with a 5% discount and Unlimited Data.

Why buy a SIM card for Mexico?

Because you need Internet access and the high price of roaming in Mexico with your operator is not a good alternative. There is a wide range of SIM cards available for data only, you can buy them in Mexico when you arrive (we do not recommend it now during the Coronavirus season) or in online store, before you travel.

Which SIM card for Mexico offers me the most data at the best price?

In almost all cases we advise you to look for a sim card with unlimited data and calls. Although they tend to be a bit more expensive, when you travel, we tend to use more data than usual, as we need to navigate with Google Maps, search for information on the internet or share photos and videos.

The best thing is not to have to worry about running out of data and running out of connection in the middle of a trip, right? Therefore, the rule is usually to buy a data plan that offers unlimited data and not play around counting our data usage.

In the following paragraphs, we show you a comparison of prices per day and GB of data used for 15 days, so that you can see for yourself which alternative is best for you.

If you have already taken a look, you will see that the undoubted winner for the network and calls is the Holafly data SIM card for Mexico. To this price advantage, you should not forget to add all the benefits it offers (unlimited data, 24-hour support, free shipping) which we will explain in detail as you read on.

We suggest Holafly’s data SIM cards for Mexico, the cheapest alternative, with AT&T network coverage and 4G speed.

Now, let’s get to know in detail the SIM card alternatives for your next holiday in this country, where to get them before or during your trip, their advantages, disadvantages, prices and the mobile operators you can consider.

Where to buy the best prepaid SIM card for Mexico?

You can buy a SIM card for Mexico from online shops (such as Holafly) or in person when you land (in supermarkets, airport stands or shopping malls). Some are data-only SIM cards and others include local calls as well as mobile data.

best sim card internet playa del carmen mexico
Best SIM card Mexico from Holafly, Playa del Carmen. Source: Camera en route.

Buy my Mexico SIM card online (recommended)

We think you should order a SIM card from Mexico before travelling under quarantine; you won’t have to go to a physical shop in Mexico. Buying an international SIM card to travel to Mexico before arriving at your destination is the best choice, so you won’t have to look for which option to choose when you arrive, or go around the airport stands or local shops without knowing the details of your offer or price.

Mexican SIM card of Holafly 

With Holafly you get data SIM cards for Mexico with unlimited data at 4G speed for around 3 euros a day. Supported by the network of one of the best operators in the country, AT&T, the Holafly Mexico card has 8 presentations with unlimited data:

DaysData amount GBPrice (€)Price/day (€)
What SIM card options exist for Mexico with Holafly

Buy at Roami your Holafly Mexico SIM Card with a 5% discount and Unlimited Data.

Benefits of Holafly

  • You will keep your WhatsApp number.
  • Unlimited data.
  • You will be able to make and receive calls to the number on your Mexico data Sim card.
  • Technical support 24/7: By chat and email.

Limitations of Holafly

  • You may need a card for a certain number of days not included in Holafly’s alternatives, or you may prefer not to have unlimited data.

Cellular Abroad Mexico SIM

Cellular Abroad has a SIM that gives you data mobile but with 3G speed, plus calls and SMS in Mexico for 30 days for £36.58.


  • No extra charges for the card, just only one amount for data.
  • Make a top-up and add data.
  • Although there is an additional shipping charge, you could opt for lower-priced options.


  • They offer you limited data, 3GB only.
  • The number you will use will not be Mexican but from the United States.

MrSimCard SIM card for Mexico

It has a SIM card, which with AT&T support, covers all of North America (the United States, Canada and Mexico), and offers you from 1GB of data to unlimited Internet. These cards also allow you to make calls.


  • They have a good rate, charging from €23 to €91.63.
  • Most of your data is at 4G speed.


They charge you a double tariff (sim card at 1.82 € + data plan).

The platform charges you for activation service at €4.57.

How much does a SIM card for Mexico cost?

You already know the details of each plan of the best SIM cards for Mexico, now it would be useful to see a comparative table with the advantages of each alternative in a 15-day stay.

Card costs (€)Data price (€)Shipping cost (€)Data amount GBFixed price (€)
Cellular Abroad18,29 29,54343,93
Mr SIM Card
1,82 €32,0620,15554,03
A comparative table of the data sim card of Mexico for 15 days: 
(Holafly, Cellular Abroad y MrSIMCard)

So, you already know the benefits and limitations of these cards; data amount, prices, coverage and more. The data sim card of Holafly provides you with unlimited data and domestic calls in Mexico during your trip. That’s sound cool. So, This point you should take into account before purchase your card, it’s up to you. 

To buy my SIM card in Mexico

You can buy your SIM card at the airport in Mexico and also in local shops, supermarkets, stands in airports such as Wallmart or Oxxo. Besides, shopping centres or specialised shops of companies or the operators themselves. It may not be as convenient during Coronavirus season, as you will have to enter shops and it is better to avoid crowded places.

Be aware that some companies offer SIM cards only, and sometimes you will have to buy data separately. Other cards may prevent you from keeping your contacts on WhatsApp, offer limited data or not very good coverage, the opposite of Holafly’s Mexico SIM cards.

Mexico has several operators, although the most important ones are Telcel, Movistar and AT&T, which we have chosen to show you their rates. On the other hand, operators such as Unefon, Virgin, Cierto, among others, are other telecommunications companies of local or regional but not national relevance.

best sim card in chichen itza internet
Chichén Itzá, Mexico. Source: Marv Watson on Unsplash

Here are the SIM card rates of the local mobile operators in Mexico, if you want to buy your card when you arrive at your destination.

AT&T Mexico

Similar to the way you buy other SIM cards, with AT&T you have to buy the card and then top it up with the data plan of your choice. You can buy them in authorised shops, supermarkets (Walmart) and authorised resellers. Their rates range from less than €1 to €46.33 and offer from 10MB to 7GB.


  • The average price for data consumption is 0.035 € per MB. (1 € costs 28 MB).
  • There are 9 plans with a duration from one week to two months.
  • 7 of the 9 plans offer unlimited use of WhatsApp, Facebook and Twitter.


  • Sometimes you will have to show your passport to buy a sim card and then register it before it can be activated.
  • The plan that gives you almost 30MB for €1 does not give you unlimited calls and SMS.
  • Coverage outside the country’s main cities is poor.

Telcel SIM card

As one of the best local carriers in Mexico, Telces provides the cheapest sim cards you can buy from the local stores (Walmart, Oxxo) and authorised resellers. “Amigo” is the official name actually, the sim cards cost 1,39 €-23,17 € with 1,5 MB and 20 MB. 


  • It manages an average rate of €0.039* per MB, slightly higher than AT&T but just as cheap.
  • It offers seven plans, five of which give you more data than you’ve bought on apps like WhatsApp, Twitter, Facebook and Facebook Messenger.

*1 could cost you up to 26MB.


  • As with AT&T data SIMs, you’ll have to show your passport to buy Telcel’s Sim Data Mexico cards, as well as register them.
  • Topping up your card can be complicated if you don’t verify that your top-up receipt is authentic, so you will need to contact the provider.
  • There are no plans for longer than 30 days.

Movistar Mexico

Movistar SIM cards cost £2.79, while top-up costs from £0.46 to £11.57 with a duration of 3 days (300 MB) to one month (3 GB). This card can be bought and topped up in specialised shops, supermarkets and authorised resellers.


  • It has a plan, Prepaid Double Unlimited, which you can use throughout North America (Mexico, United States and Canada).
  • Data plans for 1,2,3, 7 days. 
  • Unlimited calls and SMS from 3 data plans.


  • Like the previous alternatives, you will always have to show your passport to buy the data sim card Mexico, in addition to registering it.
  • Like AT&T, Movistar has low-coverage if you are away from major cities.
  • It does not have a plan for longer than 30 days.

SIM card for Mexico, which one to buy?

With a variety of products, eight different models of SIM cards for travelling to Mexico, unlimited data at 4G speed, and not 3G speed like some other options, as well as the AT&T network, Holafly’s Mexico SIM card offers you the best price compared to other offers, a quality service, as well as unlimited local calls.

One of these benefits is to keep your WhatsApp number so you don’t lose contact with family and friends and continue to communicate with them via calls or messages. You will make and receive local calls in Mexico as if you were using a mobile phone with a local number.

Besides, you will be able to receive the SIM card free of charge at your home before your trip to Mexico. Don’t forget the after-sales assistance that this company offers you 24 hours a day.

Land and start surfing the Internet with your Mexico SIM-card!


How to have Internet in Mexico?

Travel to Mexico, stay connected on holidays, here you have the ways to get the connection and enjoy: To buy a SIM card for tourists, roaming, to rent a pocket WIFI or connect to local WIFI networks free.

How much does roaming cost in Mexico?

The cost of roaming in Mexico depends on the offers provided by your mobile operator. They vary if you are a contract or prepaid operator, and you are charged by megabytes downloaded or by closed data plans that are recharged as they are consumed. You should consider the alternative of buying a prepaid SIM card for Mexico.

How to choose a data SIM card for the internet and phone in Mexico?

When choosing a SIM card for travelling to Mexico, you should pay attention to value for money: it has unlimited data, includes a phone number, local calls and SMS, allows you to share data with other devices, operator coverage in Mexico, adjusts to your days of stay, etc.

Where to buy a data-only SIM card?

You can purchase these SIM cards before you travel, from online providers on the Internet (such as Holafly), or when you arrive in Mexico upon landing at the airport and in local shops such as Wallmart or Oxxo.

How much does a SIM card for Mexico cost?

The price of a Mexico SIM card will depend, in addition to its data plan, days of validity and whether it provides you with a phone number in Mexico, on whether you buy it on arrival or before you travel, online. For approximately €30 you can receive a SIM card at home with unlimited data and local calls for 7 days of travel.

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