What is a country calling code?

A country calling code is the numeric prefix you dial before a national phone number to route a call to a specific country. For example, +1 reaches the United States and Canada, +44 reaches the United Kingdom, and +91 reaches India. The plus sign stands in for the international access code your network uses.

How do I dial an international number correctly?

Start with your exit or access code (or the + symbol on a mobile), add the destination country code, then the area or city code without its leading zero, and finally the local subscriber number. So a London line looks like +44 20 7946 0000.

What does the plus (+) sign mean in a phone number?

The + is a universal placeholder for the international dialing prefix. Saving numbers in +country-code format means they connect from any country without editing the access code, which is why it is the recommended way to store contacts.

Why do the United States and Canada share the country code +1?

Both countries belong to the North American Numbering Plan, a shared system that also covers several Caribbean nations. They use the same +1 country code but are separated by distinct three-digit area codes.

Do I need to remove the leading zero from a phone number when calling internationally?

Usually yes. Many countries print a trunk prefix, often a 0, for domestic calls. When dialing from abroad you drop that leading zero after the country code. For example, a UK mobile written as 07700 900000 becomes +44 7700 900000.

Which area codes should I know when calling Mexico's three largest cities via letsdial?

Mexico City uses area code 55, Guadalajara uses 33, and Monterrey uses 81 — all followed by 8-digit local numbers to reach the full 10-digit format. These three metro areas represent the bulk of Mexico's commercial activity. letsdial virtual numbers are available with these codes so you can project a local presence in each city.

Is WhatsApp truly the preferred channel before calling Mexican contacts?

WhatsApp is overwhelmingly dominant in Mexico, used by the vast majority of the population for both personal and business communication. Sending a WhatsApp message to introduce yourself before placing a letsdial call dramatically improves answer rates, as many Mexicans ignore calls from unrecognized numbers but actively monitor WhatsApp notifications.

What time zone is Mexico in, and are there any regional exceptions?

Most of Mexico observes Central Standard Time (CST, UTC-6) with daylight saving, shifting to UTC-5. However, the northwest border states like Baja California follow Pacific Time to align with US neighbors, and the state of Sonora does not observe daylight saving. letsdial's time-zone tool helps you verify local time before dialing into different Mexican regions.

Can letsdial provide a Mexican virtual number with a Mexico City (55) area code?

Yes, letsdial offers virtual numbers with Mexican area codes including 55 for Mexico City, giving international businesses a local Mexican number for inbound calls. This is particularly useful for companies selling to Mexican consumers, as local numbers inspire more trust and are cheaper for callers than dialing an international or toll-free number.

What business culture norms should I keep in mind when scheduling calls to Mexico through letsdial?

Mexican business culture values relationship-building ('confianza') before transactional conversations, so a warm introduction via WhatsApp before a letsdial call sets the right tone. Lunch breaks can run from 2 PM to 4 PM in many offices, and punctuality expectations are somewhat more flexible than in the US or Germany — build in buffer time if scheduling formal calls.

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Mexico

+52

Country code

International prefix

Mexico's country code +52 connects one of Latin America's largest economies. As a key trading partner with the US under USMCA, Mexico hosts major manufacturing, tourism, and technology sectors — making a local +52 number essential for cross-border businesses.

Best hours:9 AM – 6 PM CST

Language:Spanish

Capital:Mexico City

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🇲🇽

Mexico

MX · North America

+52

dial code

Capital

Mexico City

Currency

MXN (₱)

Language

Spanish

Population

130 million

Best calling window

9 AM – 6 PM CST

12 AM

12 PM

11 PM

Central / Mountain / Northwest · UTC-6 to UTC-8

Country

Mexico

2 Digit ISO

Country Calling Code

+52

ISO Alpha-3

MXM

Loading map…

Mexico City

Capital

Live

Mexico City

--:--:-- --

Time Zone

Central / Mountain / Northwest

Quick Facts

CurrencyMXN (₱)

LanguageSpanish

Population130 million

GMT OffsetUTC-6 to UTC-8

Best Hours9 AM – 6 PM CST

Step by step

How to call Mexico from abroad

International dialing is a four-step process.
Use + on mobile to skip the exit code entirely.

Step 01

Exit code

Dial from US/Canada (or use +)

Step 02

+52

Country code

Mexico international prefix

Step 03

Area / city code

Local routing prefix

Step 04

1234 5678

Local number

Subscriber number

dialing-example.txt

International format

00—52—55—1234 5678

Shorthand (works from any device): +52 55 1234 5678

Why letsdial

Benefits of calling Mexico
with letsdial

Start free trial

Get a local +52 number

A Mexico City (+52 55) or Guadalajara (+52 33) caller ID shows Mexican contacts a local business — not an international spam number.

Mexico and 50+ countries, one plan

Call Mexico and 50+ global markets from one letsdial plan — no per-city fees for Monterrey, Tijuana, or anywhere else.

Full call analytics

Track every Mexico call in CST — monitor answer rates, peak hours, and team performance across all major cities.

Works on any device

Mobile app, desktop, or IP phone — your +52 number lets your team reach Mexican contacts from anywhere in the world.

Unified Communications

One platform. Every call, message and team — connected.

One cloud platform replaces your phone system, chat tool, and contact centre — no hardware, no juggling apps.
Reach Mexico and 50+ countries from one dashboard.

50+

Countries covered

99.9%

Uptime SLA

2 min

Setup time

Hardware needed

Voice & Video Calls

Crystal-clear HD calls to Mexico and 50+ countries from one number.

Team Messaging

Chat, share files, and collaborate — all inside the same platform you call from.

Real-Time Analytics

Live dashboards for call volumes, answer rates, and agent performance.

Global Number Coverage

Local +52 numbers plus 50+ country codes — managed from one dashboard.

Format reference

Mexico & neighbouring countries

Mexico's +52 system uses 2-digit city codes for major cities (55 Mexico City, 33 Guadalajara, 81 Monterrey) followed by an 8-digit subscriber number, totalling 12 digits in international format.

CountryLocal formatInternational format

Mexicocurrent1234 5678+52 55 1234 5678

United States555-1234+1 212 555 1234

Canada555-1234+1 416 555 1234

Brazil1234 5678+55 11 1234 5678

Argentina1234 5678+54 11 1234 5678

Spain123 456 78+34 91 123 456 78

Good to know

Tips for calling Mexico

4 things to check before you dial internationally

Mexico removed the trunk prefix in 2019

Since August 2019, all Mexican mobile numbers are dialled with 10 digits domestically — the old 044/045 prefix is no longer required. From abroad, dial +52 + 10-digit number, no leading prefix needed.

WhatsApp first, then call

WhatsApp is the standard business tool across Mexico. Send a WhatsApp message before calling — it warms the contact and is the preferred way Mexican professionals initiate new business conversations.

Show a local +52 caller ID

International numbers are frequently screened in Mexico. A letsdial +52 55 (Mexico City) or +52 33 (Guadalajara) caller ID presents you as a local business and significantly improves answer rates.

Mexico City is on CST — with one caveat

Most of Mexico runs on CST (UTC-6) with CDT in summer. Sonora and some border towns do not observe daylight saving. Typical business hours are 9 AM–7 PM — confirm the contact's city before scheduling.

Market data

Mexico communication insights

73%

Internet penetration

72% of Mexico's population uses the internet, with growth concentrated in urban areas.

90%

Mobile users

95% of Mexicans use mobile phones, making mobile the dominant communication channel.

68%

Smartphone owners

65% of Mexicans own smartphones, with WhatsApp as the primary business messaging tool.

78%

Digital businesses

70% of Mexican businesses have adopted digital communication tools for operations.

Global directory

List of Country Codes

50+ countries listed with their international dial prefix and ISO code.

Filter by letter or search to find any country code instantly.

Mexico calling FAQs

Frequently asked about Mexico

Since 2019, Mexico eliminated the trunk prefix '0' and the long-distance prefix '01', unifying all numbers to a simple 10-digit format. To dial internationally, just use +52 followed by the 10-digit number — no extra digits needed. letsdial is fully aligned with this post-2019 format, so entering +52 55 XXXX XXXX connects Mexico City calls correctly.

Get a local Mexico number

Get a local Mexico number in minutes.

Build trust with Mexico customers using a local +52 virtual phone number — from the same letsdial dashboard your whole team already uses.

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Looking up US area codes? Browse all US area codes →

Mexico

Mexico

How to call Mexico from abroad

Benefits of calling Mexicowith letsdial

Get a local +52 number

Mexico and 50+ countries, one plan

Full call analytics

Works on any device

One platform. Every call, message and team — connected.

Mexico & neighbouring countries

Tips for calling Mexico

Mexico removed the trunk prefix in 2019

WhatsApp first, then call

Show a local +52 caller ID

Mexico City is on CST — with one caveat

Mexico communication insights

List of Country Codes

Frequently asked about Mexico

Get a local Mexico number in minutes.

Benefits of calling Mexico
with letsdial