To give you the best coverage in Mexico, our eSIM connects to the premium Tier-1 networks, typically Telcel or AT&T México. Telcel is widely regarded as the #1 network with the most extensive coverage, ensuring you have a strong signal from the beaches of Cancun to the mountains of Oaxaca.
HELP CENTER
Does eSIM work in Mexico? (Telcel & AT&T Mexico coverage)
Updated April 22, 2026
Was this answer helpful?
Related questions
Other answers in this topic that travelers found useful.
What is the top eSIMBuy deal for reliable mobile data when traveling to Hawaii?
For robust mobile data across the stunning Hawaiian islands, eSIMBuy will help you pinpoint the best value plans that utilize major US netwo…
Read answerHow many gigabytes of eSIM data should I plan for a week-long Hawaii vacation?
For a week-long Hawaiian adventure, a savvy traveler typically finds that 5-10 GB of data hits the sweet spot. This budget-friendly range al…
Read answerCan I pre-install my eSIMBuy eSIM for Hawaii before my flight lands at HNL?
Absolutely, and we highly recommend it! With eSIMBuy, you can purchase and install your Hawaii eSIM before you even leave home. You'll recei…
Read answerIs public Wi-Fi reliable enough in Hawaii, or is an eSIMBuy eSIM a smarter choice?
While you might find some public Wi-Fi in tourist hotspots like Waikiki or Lahaina , it's often a mixed bag in Hawaii —think slow speeds, sp…
Read answerWill my eSIMBuy eSIM provide coverage across all Hawaiian islands, including lesser-known spots?
An eSIMBuy eSIM, leveraging major US networks like AT&T or T-Mobile , is designed to provide excellent coverage across the Hawaiian islands.…
Read answer