Mexico Phone Number Format & Country Code +52
Mexican numbers are 10 digits with no trunk prefix. Area codes are 2 or 3 digits depending on the city. Since 2019, the old 044/045 prefixes are no longer used for mobiles. To dial a Mexico number internationally, replace the local trunk prefix with +52. For example, 55 1234 5678 becomes +52 55 1234 5678. NumSwift converts between these formats automatically, validating each number against Mexico's numbering plan.
Last updated: 2026-03-17
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How to Format Mexico Phone Numbers Correctly
- Identify whether the number is in local format (e.g., 55 1234 5678) or already includes the +52 country code
- Paste the number into NumSwift and select Mexico as the country
- NumSwift converts it to the standard international format: +52 55 1234 5678
- Use the formatted number for international calls, WhatsApp, SMS, or CRM import
Why Understanding Mexico's Number Format Matters
- Avoid failed calls by using the correct +52 prefix instead of local-only formats
- Mexico's 10-digit structure means numbers that are too short or too long are invalid — NumSwift catches these errors
- Convert freely between local (55 1234 5678) and international (+52 55 1234 5678) notation
- Works with all Mexico carriers including Telcel, AT&T Mexico, Movistar
Frequently Asked Questions
▶What is the country code for Mexico?
Mexico's country code is +52. When dialing a Mexico number from abroad, you replace the local trunk prefix with +52. For example, the local number 55 1234 5678 becomes +52 55 1234 5678 in international format.
▶How many digits are in a Mexico phone number?
Mexico phone numbers are 10 digits after the country code. Mexican numbers are 10 digits with no trunk prefix. Area codes are 2 or 3 digits depending on the city. Since 2019, the old 044/045 prefixes are no longer used for mobiles. NumSwift validates the digit count automatically, so incorrectly truncated or padded numbers are flagged as invalid.
▶What is the difference between mobile and landline formats in Mexico?
In Mexico, all numbers are 10 digits; the old 044/045 mobile prefixes were removed in 2019. Landline numbers use different prefixes and may have a different digit distribution between the area code and subscriber number. NumSwift distinguishes between the two types and formats each one correctly.
▶How do I dial a Mexico number from another country?
Replace the local trunk prefix with +52 and dial the remaining digits. For example, 55 1234 5678 becomes +52 55 1234 5678. NumSwift performs this conversion automatically when you paste a Mexico number and select the correct country. The formatted output is ready for calling, WhatsApp, or saving to your contacts.