
Okay, so you’ve got three missed calls from a Mexico City 55 number. No message. Just dead air, and that nagging feeling that something’s not quite right. Could be a legit business trying to deliver something, or maybe it’s about your bank account. But let’s be real, in Mexico, it’s way too often another attempt at extortion, a phishing scam, or some slick fraud trying to get your personal info.
Why risk it with an unknown caller? Our reverse phone lookup platform is here to help you quickly check this phone number before you answer, giving you real info instead of just guessing.
When you’re asking who is calling me from that persistent mobile number or unfamiliar landline, you’ll find verified answers: which provider issued the number, what region it’s actually registered to, whether other Mexicans have flagged it for suspicious behavior, if it belongs to a legitimate registered business. Our phone number reverse search guides walk you through exactly which free Mexican resources work best and how to cross-reference results when something feels off.
| Category | Details |
| Country | 🇲🇽Mexico |
| Country Calling Code | +52 |
| National Trunk Prefix | 01 (used for domestic dialing before area codes) |
| International Direct Dial (IDD) | 00 (used for dialing internationally from Mexico) |
| Standard Number Format | +52 XXX XXXX XXXX (international) / 01 XXX XXXX XXXX (domestic) |
| Example Mobile Number | +52 1 55 1234 5678 (domestic: 044 55 1234 5678) |
| Example Landline Number | +52 55 1234 5678 (domestic: 55 1234 5678) |
| Area Codes (Geographic) | 01 (Mexico City), 33 (Guadalajara), 55 (Monterrey), 81 (Monterrey), 222 (Puebla) |
| Regulator | IFT (Instituto Federal de Telecomunicaciones) |
| Notable Features | Open numbering plan, number portability, strong data protection regulations (LFPDPPP), 0800 toll-free, 01800 freephone, 900 premium-rate. |

Identification of Phone Numbers Types in Mexico
Ever wondered whether to answer, block, or just ignore an unknown call? Knowing what kind of number is calling you can help you decide. In Mexico, you can figure this out just by looking at the first few digits.
Here’s a quick guide:
- Mobile numbers usually start with 044 or 045.
- Landlines have area codes that begin with 01 or 55.
- Toll-free numbers start with 800.
This helps you spot scams and avoid surprise charges. For example, 900 numbers are premium services that can really rack up costs, but 01800 numbers are totally free to call. By knowing these simple patterns, you’ll get better at telling good calls from bad ones.
| Number Type | Prefix / Range | Description |
| Mobile | 044, 045, 46, 55, 56 | Mobile numbers used by major Mexican carriers. |
| Landline (Geographic) | 01, 55, 33, 81, 222 | Fixed lines tied to specific regions. |
| VoIP / Non-Geographic | 900 | Numbers used by internet-based or VoIP services. |
| Toll-Free | 800, 800 1-800 | Free to call numbers used by businesses. |
| Shared-Cost | 01800 | Shared-cost numbers; businesses split the call charges with the caller. |
| Premium-Rate | 900, 905 | Expensive lines used for services like voting, competitions, or adult content. |
| Short Codes / Emergency | 911, 080, 070, 118 | Used for emergency services or specific customer service requests. |
How to Identify Mobile Carriers in Mexico
Ever noticed the first few digits of a Mexican mobile number? Turns out, they can tell you which company originally issued the number. Pretty handy if you’re trying to figure out where a call or text is coming from! Even though people often keep their numbers when switching carriers, knowing the original prefix can be a useful trick for spotting if a number is legit or maybe a scam.
What you need to do:
- Check the first two digits after 01 (for landlines) or 044/045 (for mobiles).
- Match those digits with the carrier listed below.
- This will help you confirm if the number’s origin matches what it’s supposed to be (like a claimed business number).
| Prefix (0XX) | Original Carrier | Notes |
| 044 | Telcel | The largest mobile operator in Mexico. |
| 045 | Movistar | Second-largest mobile network, known for competitive data plans. |
| 046 | AT&T Mexico | A popular mobile operator, especially after acquiring Iusacell and Nextel. |
| 055 | Unefon | MVNO (Mobile Virtual Network Operator) using Telcel’s infrastructure. |
| 056 | Virgin Mobile | A major MVNO operating on Telcel’s network. |
| 058 | Megacable | MVNO operating on Movistar’s network. |
| 059 | Altán Redes | Newer mobile carrier offering competitive data plans. |
Mexico Landline Area Codes and Regions
In Mexico, landline numbers are grouped by region, with each area code linked to a specific city or state. Knowing these codes is super helpful! It lets you quickly tell if a call is genuinely local, from a nearby spot, or maybe even from a business just pretending to be in your area.
What you need to do:
- Find the area code (it’s the first three digits after ’01’).
- Match it up with the region in the table.
- Use the example number to double-check the landline call format.
| Area Code | Region | Common Sub-Prefixes | Example Number | Major Cities |
| 01 | Mexico City | 55 | 01 55 1234 5678 | Mexico City |
| 033 | Jalisco | 2, 3, 4 | 033 33 1234 5678 | Guadalajara |
| 022 | Monterrey | 5, 6 | 022 56 1234 5678 | Monterrey |
| 021 | Veracruz | 3, 7 | 021 37 1234 5678 | Veracruz |
| 034 | Puebla | 1, 4 | 034 41 1234 5678 | Puebla |
| 037 | Tijuana | 1, 2 | 037 21 1234 5678 | Tijuana |
| 055 | Baja California | 8, 9 | 055 82 1234 5678 | Mexicali |
| 062 | Durango | 2, 3 | 062 24 1234 5678 | Durango |
| 045 | Yucatán | 5, 6 | 045 54 1234 5678 | Mérida |
Trusted Reverse Phone Lookup Resources in Mexico

Ever wondered who’s calling you? A quick phone number lookup can totally help with that! Good reverse lookup services use tons of databases to check numbers and tell you exactly where they’re coming from.
What you need to do:
- Just pop the phone number into the lookup tool to start your search.
- Then, compare the results to see if the number is linked to any known businesses, carriers, or even suspicious spam activity.
- These services can really help you protect yourself from unwanted calls and verify legitimate contacts.
| Tool / Website | Type | Description |
| Scannero.io | Reverse lookup tool | Comprehensive reverse lookup for Mexico, including carrier and spam detection. |
| WhoCallsMe | Community reports | Community-driven platform for identifying spam and scam calls in Mexico. |
| Tellows.mx | Community-driven | Large database of reported spam numbers and user comments on suspicious callers. |
| Comisión Federal de Telecomunicaciones (Cofetel) | Official Registry | Mexico’s telecom regulatory body, providing official number allocations and guidelines. |
| Truecaller | Mobile app | Popular for identifying calls and blocking spam in Mexico. |
| YellowPages.com.mx | Business directory | Official directory of Mexican businesses, useful for verifying company numbers. |
How Reverse Phone Lookups Work
Ever wondered what actually happens when you search for an unknown Mexican caller? The process is simpler than you’d think, though what goes on behind the scenes involves multiple databases working together.
How the process unfolds:
- Data aggregation happens constantly. Mexican telecom registries maintained by IFT track which carriers control which number ranges. Business directories compile company contact information. Community platforms gather real-time reports from users flagging suspicious callers. Some services even scan social media where people publicly list their phone numbers.
- Your search triggers instant cross-referencing. Type in those ten digits, and algorithms immediately scan through millions of records—checking official carrier assignments, business registrations, geographic allocations, and user-generated warnings. This typically takes just seconds.
- Results appear based on available data. Sometimes you’ll see comprehensive details: business name, location, carrier. Other times just basics—mobile versus landline, which state, maybe the provider. Occasionally, nothing except community warnings saying “reported scam, don’t answer.”
Why Reverse Lookup Results Differ
Different lookup services show different results for legitimate reasons. Many Mexican numbers remain unlisted by choice, especially mobiles—making them harder to identify. Database update schedules vary wildly; one platform refreshes weekly while another uses months-old information. Scammers actively spoof caller IDs, displaying fake Mexican numbers that don’t match their actual location.
The real differentiator is data coverage. Basic services check one or two sources and hope for the best. More comprehensive platforms like Scannero cross-reference IFT registries, community reports, and telecom databases simultaneously—which is why they often succeed where simpler directories draw blanks.
Typical Scam and Spam Call Trends in Mexico
Scammers in Mexico frequently use familiar number patterns to trick you into answering or providing sensitive information. By recognizing these common scam patterns, you can protect yourself from fraud.
| Indicator | Type of Scam/Spam | Example Format | Comment / Recommendation |
| +52 1 / 045 numbers | Mobile fraud | +52 1 55 1234 5678 | Often used for impersonating local businesses or banks. Verify with official contacts. |
| 01800 numbers | Fake customer service | 01800 234 5678 | These numbers may charge high fees — only call if you know the business. |
| +52 900 / 0180 | Premium-rate scam | +52 900 123 4567 | Avoid calling back unknown premium-rate numbers. |
| International numbers | Callback fraud | +44 20 7946 1234 | Avoid returning calls from unfamiliar international numbers. |
| SMS links with unknown sender | Phishing attempt | +52 1 56 1234 5678 | Never click on links sent via SMS or WhatsApp without verifying the sender. |
| Spoofed government numbers | Impersonation scam | +52 55 2345 6789 | Don’t share personal details; verify government numbers on official websites. |
Free Public Phone Number Directories in Mexico
For reliable verification, use these public and non-commercial directories.
| Directory | Type | Purpose |
| Cofetel | Regulator | Official Mexican telecom regulator database. |
| YellowPages.com.mx | Business Directory | Mexico’s leading online business directory. |
| WhoCallsMe | Community-based | Community-driven website for identifying scam numbers. |
| Tellows.mx | Community-based | Reports of spam numbers and fraudulent activity. |