Mexico offers a wide range of prepaid SIM card options with excellent coverage, affordable prices, and flexible plans. Whether you’re visiting Cancún, Mexico City, or remote regions, choosing the right SIM can significantly improve your travel experience.
Basics Information
- Main operators:
- Telcel (largest)
- AT&T Mexico
- Virgin Mobile Mexico
- Cierto
- Network type: 2G, 3G, 4G LTE, and growing 5G
- SIM types: Nano, Micro, eSIM (limited availability)
- Best overall: Telcel (coverage leader)
Availability
Prepaid SIM cards are:
- Widely available nationwide
- No contract required
- Easy activation within minutes
Where to Buy
You can buy SIM cards at:
- Convenience stores (OXXO – most popular)
- Official carrier stores
- Supermarkets (Walmart, Soriana, Chedraui)
- Airports (higher prices)
Frequencies (Mexico)
| Network | 2G | 3G | 4G LTE | 5G |
|---|---|---|---|---|
| Telcel | 1900 MHz | 850 / 1900 MHz | B4, B5, B7, B66 | n5 (850 MHz) |
| AT&T | — | 850 / 1900 MHz | B2, B4, B7 | Yes |
| Virgin Mobile | Uses Altán (Band 28) | — | B28 | Limited |
| Cierto | Uses Altán | — | B28 | Limited |
📌 Ensure your phone supports Band 4, 7, and 28 for best compatibility.
Coverage & Speed
| Operator | Coverage | Speed | Best For |
|---|---|---|---|
| Telcel | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Nationwide travel |
| AT&T | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Cities |
| Virgin Mobile | ⭐⭐⭐ | ⭐⭐⭐ | Budget users |
| Cierto | ⭐⭐⭐ | ⭐⭐⭐ | Cheap data |
- Telcel covers rural and highways extensively
- AT&T has strong urban LTE and 5G speeds
At a Glance Comparison
| Feature | Telcel | AT&T | Virgin | Cierto |
|---|---|---|---|---|
| Coverage | Best | Good | Medium | Medium |
| Price | Medium | Medium | Low | Low |
| Speed | High | Very High | Medium | Medium |
| Availability | Everywhere | Widely | Limited | Limited |
Biometric User Registration
- Not required for tourists
- Passport/ID may be needed for registration
Device Registration
- No IMEI registration required
- Just use an unlocked phone
SIM Card Price
- Typical cost: 50–200 MXN ($3–$10)
- Often includes starter credit or data
Top-Up Methods
- OXXO stores (most common)
- Carrier apps
- Online recharge websites
- Scratch cards
Telcel Prepaid SIM
Overview
- Best coverage in Mexico
- Ideal for rural + travel use
Data Add-Ons (Telcel Amigo)
| Price (MXN) | Data | Validity | Activation |
|---|---|---|---|
| 100 | 3GB | 30 days | *264# |
| 200 | 10GB | 30 days | *264# |
| 300 | 15GB | 30 days | *264# |
📌 Includes calls + SMS in Mexico
Virgin Mobile Mexico
Overview
- Uses Altán network
- Budget-friendly
Data Add-Ons
| Price (MXN) | Data | Validity | Activation |
|---|---|---|---|
| 100 | 4GB | 30 days | App |
| 150 | 8GB | 30 days | App |
| 200 | 12GB | 30 days | App |
Cierto SIM
Overview
- Cheap MVNO option
- Uses Altán network
Data Add-Ons
| Price (MXN) | Data | Validity | Activation |
|---|---|---|---|
| 100 | 5GB | 30 days | App |
| 200 | 10GB | 30 days | App |
| 300 | Unlimited* | 30 days | App |
AT&T Prepaid SIM
Overview
- Strong urban speeds
- Good 5G performance
Data Add-Ons
| Price (MXN) | Data | Validity | Activation |
|---|---|---|---|
| 150 | 5GB | 30 days | *611# |
| 200 | 10GB | 30 days | *611# |
| 250 | 15GB | 30 days | *611# |
How to Check the Remaining Balance
- Telcel: Dial
*133# - AT&T: Dial
*611# - Virgin: App
- Cierto: App
Official Websites
- Telcel – https://www.telcel.com
- AT&T Mexico – https://www.att.com.mx
- Virgin Mobile Mexico – https://virginmobile.mx
- Cierto – https://cierto.mx
Apps
- Telcel App (Mi Telcel)
- AT&T MX App
- Virgin Mobile App
- Cierto App
(All available on Android & iOS)
How to Check SIM Number
- Dial
*#62#or*#100#(varies) - Or check in phone settings
Tourist SIM
- Telcel tourist packs available
- Usually include:
- Data + calls
- 7–30 days validity
- Best option for short stays
Roaming Data
- US carriers often include Mexico
- Local SIM is cheaper
- AT&T offers North America roaming bundles
Digital eSIM Providers
Popular options:
- Airalo
- Holafly
- Price: $10–$35
- Instant activation
- Great for short trips
Other Options
- Pocket WiFi rental
- International roaming
- Dual SIM usage
Activation
Steps:
- Insert SIM
- Restart phone
- Configure APN (if needed)
- Top-up & select plan
Activation takes 5–10 minutes
Help Line Numbers
| Operator | Helpline |
|---|---|
| Telcel | *264 |
| AT&T | *611 |
| Virgin | App / 01800 |
| Cierto | App |
Conclusion
Prepaid SIM cards in Mexico are cheap, easy to use, and widely available, making them ideal for travelers.
- Choose Telcel for the best nationwide coverage
- Choose AT&T for faster city speeds
- Choose Virgin or Cierto for budget-friendly data
For most travelers, Telcel remains the top recommendation due to its unmatched reliability across cities, beaches, and rural areas.