Mexico eSIM

eSIM Mexico: FAQ

• 1Do I need an eSIM for Mexico, or does my phone plan already cover it?

  It depends on where your plan is from. Many US unlimited plans from AT&T, T-Mobile and Verizon include Mexico, but often with a limited amount of high-speed data before speeds drop sharply, so check your plan page before you go. Canadian carriers usually charge a daily roaming fee (Bell Roam Better, Rogers Roam Like Home, TELUS Easy Roam) unless your plan already includes Mexico. With a plan from Europe, the UK or elsewhere, Mexico is regular roaming. The MonoEsim eSIM is a fixed prepaid data pack: install it at home and you are online when you land in Cancún or Mexico City, with no daily fees and no surprise bill.

• 2Which mobile networks are there in Mexico?

  Telcel (América Móvil) is by far the largest network, with around 59% of the market. AT&T México and Movistar are the other two, and both are changing owners in 2026: Telefónica is selling Movistar México to Oxio and Newfoundland Capital, and AT&T is selling its Mexican business to Grupo Televisa and Fintech Holdings. The networks keep running. Coverage is good in cities and the main resort areas such as Cancún, Tulum, Playa del Carmen and Los Cabos; mountains, long rural highways and cenotes have gaps. The plan details on this page show which partner networks a pack uses.

• 3Does Mexico's 2026 phone registration rule affect tourists?

  Since 9 January 2026, every Mexican mobile line must be linked to a registered person, and unregistered Mexican lines are being suspended after the 30 June 2026 deadline. This applies to Mexican SIM cards: tourists who buy a local SIM register it with their passport. Foreign lines on international roaming, which includes your home SIM and travel eSIMs such as MonoEsim, do not have to be registered for now. Mexico's regulator CRT has said it will define rules for roaming lines after the 2026 World Cup; we will update this answer when it does.

• 4How much data do I need for Mexico?

  As a guide, a week at an all-inclusive resort in Cancún or on the Riviera Maya with maps, WhatsApp and social media usually needs 3–5 GB, because hotels have Wi‑Fi. Two weeks touring Yucatán, Oaxaca or Mexico City with lots of navigation, music in the rental car and a hotspot for fellow travellers is more comfortable with 10–20 GB. Download offline maps before you go.

• 5Will I have signal at the cenotes, in Tulum and on the islands?

  In towns along the coast, in Tulum and on Cozumel and Isla Mujeres you usually have signal. Inside cenotes, caves and in the jungle away from roads there is often none, for any SIM. On cruise ships, phones often switch to an on-board or satellite network at sea, which is expensive and not covered by travel eSIMs; use airplane mode and ship Wi‑Fi there.

• 6Can I make calls with the eSIM in Mexico?

  The MonoEsim eSIM is data-only, without a Mexican number. Call over WhatsApp, FaceTime or Signal; WhatsApp is very widely used in Mexico, including by hotels, tour operators and restaurants. On a dual-SIM phone your own number stays active for bank texts; turn off data roaming on that line.

• 7When should I install the eSIM for Mexico?

  Install it at home on Wi‑Fi a day or two before you fly and keep the line off until you land; validity usually starts with the first connection to a network in Mexico. After landing, switch the eSIM on, select it for mobile data and enable data roaming for it. If it does not work for technical reasons, MonoEsim support will find a solution or refund you.

• 8Which eSIM do I need for Mexico?

  For Mexico, MonoEsim offers data packs from 1 GB to 20 GB valid for up to 30 days plus unlimited plans. For a one-week trip with maps, messengers and social media, 3–5 GB is usually enough.

• 9How much does mobile data in Mexico cost with an eSIM?

  An eSIM for Mexico starts at $5.99 at MonoEsim. No contract and no hidden roaming fees — you only pay for the pack you choose.

• 10Does the eSIM work everywhere in Mexico?

  Data in Mexico City, Cancún and across the Yucatán. The eSIM uses local partner networks with 4G and, depending on the area, 5G. In remote areas coverage can be weaker, as with any SIM.

• 11Do I need roaming in Mexico?

  No. The MonoEsim eSIM uses a local network. Turn data roaming on for the eSIM line only and off for your regular SIM — so your home carrier charges no roaming fees.