Phone Number Format Guide

Formats & Generator

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Mexico Phone Number Format Guide and Examples

Dial Code: +52•Last updated: January 1, 2026

Local Format
044 55 1234 5678
E.164 Format
+525512345678
International
+52 55 1234 5678

About Mexico Phone Numbers

Mexican mobile numbers are 10 digits. For international calls, use +52 + 10-digit number. When dialing locally from a mobile, add 044 prefix. Area codes are typically 2 digits.

How to Dial Mexico Phone Numbers

To call a Mexico phone number, the exact format depends on where the call starts. Domestic and international formatting can differ, and international calls to Mexico use the +52 country code.

  • Within Mexico: Use the domestic format shown for the number you are calling, including any local prefixes used in the sample format.
    Example: 044 55 1234 5678
  • From abroad to Mexico: Dial +52 followed by the area code and national number.
    Example: +52 55 1234 5678
  • From Mexico to other countries: Dial 00, then the country code, then the full phone number.
    Example: 00 1 212 555 0123

Note: Domestic dialing conventions in Mexico have changed over time, and older mobile formats may include prefixes such as 044 in sample numbers.

Phone Number Structure

This table breaks down the example number shown for Mexico.

ComponentDigitsExampleNotes
Country Code2+52Used in international format for calls into Mexico.
Domestic Mobile Prefix3044This example uses the older domestic mobile dialing prefix shown in the site's sample format.
Area Code255The example uses the Mexico City area code.
Subscriber Number812345678The remaining digits identify the local subscriber number.

Special Cases

Some numbers and prefixes in Mexico have special rules or reserved uses.

  • Emergency Number

    911

    Mexico uses 911 as the national harmonized emergency number. Older emergency codes were phased out in favor of 911 for public access to emergency response.

  • Toll-Free Numbers

    800

    Mexico uses 800 numbers for toll-free services. These non-geographic numbers are commonly used by businesses and government help lines.

  • Premium Service Numbers

    900

    Mexico also reserves special non-geographic ranges such as 900 for premium or value-added services, which can involve higher call charges than standard numbers.

Validation Regex

regexregex
^\+52\d{10}$|^044 \d{2} \d{4} \d{4}$|^\d{10}$

Code Examples

CSS Masking Format

Use this CSS mask to automatically format phone number inputs:

cssinput-masking.css
input[type="tel"] {
  mask: 000 0000 0000;
  mask-image: none; /* Fallback */
}

Other Countries

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