---
title: "Mexico (+52) Country Calling Code & SMS Numbering Plan"
---

Mexico (+52) Country Calling Code & SMS Numbering Plan: SMSRiver

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- Mexico (+52)

National Telecom Specification

# Mexico (+52) Country Calling Code & SMS Guide

Complete engineering reference for phone numbering formats, domestic trunk prefixes, cellular mobile operator allocations, and regulatory A2P SMS requirements in Mexico.

Quick Jump:
[Numbering Plan](#numbering-plan)
[A2P Regulations](#sms-regulations)
[Verify MX Number](#inspector-cta)

Country Dialing Code
+52
ISO: MX

Domestic Trunk Prefix
None
Omitted internationally

National Length
10 digits unified national numbering
Local subscriber digits

Full E.164 Length
12 digits (+52 10-digits)
With +52 prefix

## Telephony Architecture & Carrier Allocations

Destination Codes:
Area codes (55 Mexico City, 33 Guadalajara, 81 Monterrey)

Mobile Prefix Patterns:
Unified 10-digit national numbering. (The historical +52 1 mobile prefix was officially eliminated by IFT in 2019).

Major Mobile Network Operators:
Telcel (América Móvil), AT&T Mexico, Movistar Mexico

## A2P Messaging Regulations & Firewall Policies

A2P 10DLC & Campaign Registration
Not applicable. Regulated by Federal Telecommunications Institute (IFT).

Alphanumeric Sender ID Support
Supported with pre-registration across Mexican mobile network operators.

Two-Way Messaging Capability
Supported on dedicated 10-digit Mexican virtual numbers and shortcodes.

Character Encoding Standards
GSM-7 standard (Spanish characters ñ, ¿, ¡ supported in basic table).

Compliance Framework: Federal Consumer Protection Law (LFPC) and PROFECO guidelines; commercial messaging requires consumer consent.

Interactive Number Intelligence

### Test a Mexico Number Now

Check if a Mexico phone number conforms to the national numbering plan, classify mobile vs VoIP allocation, and obtain canonical E.164 standardization.

Inspect Number →

## Frequently Asked Questions for Mexico

### What is the international calling code for Mexico?

Mexico's country calling code is +52. In E.164 format, numbers are +52 followed by the 10-digit national number.

### Do I still need to add digit '1' after +52 for Mexican mobile numbers?

No. The Federal Telecommunications Institute (IFT) eliminated the '1' prefix in August 2019. All Mexican fixed and mobile numbers now dial with +52 followed directly by the 10-digit number.

### Related National Calling Codes

[Australia
+61](/country-codes/australia/)

[Austria
+43](/country-codes/austria/)

[Belgium
+32](/country-codes/belgium/)

[Brazil
+55](/country-codes/brazil/)

[Canada
+1](/country-codes/canada/)

[France
+33](/country-codes/france/)

[Germany
+49](/country-codes/germany/)

[India
+91](/country-codes/india/)

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