Cheap calls to Mexico

Timezone

Multiple (CST to PST)

Business hours

9:00 AM - 6:00 PM local time

• Consider multiple time zones
• Spanish is the primary business language
• Relationships are crucial in business
• Best business hours: 10 AM - 5 PM local time

Major cities

• Mexico City
• Guadalajara
• Monterrey
• Puebla
• Tijuana

Key facts

• Latin America's 2nd largest economy
• 130+ million people
• Major manufacturing and tourism hub
• Strong US trade relationships

Mobile vs landline in Mexico

Mexico's 2019 numbering reform eliminated the extra 1 that mobile numbers once required after the country code, standardizing all numbers at ten digits: area code plus number, dialed as +52 then all ten digits. Mexico City uses area code 55, Guadalajara 33, Monterrey 81 — two-digit codes for the largest metros, three digits for most of the rest of the country. Mobile numbers still cluster around certain area codes: the 56 range in Mexico City, for example, skews heavily mobile. Landlines in offices and homes retain their area code identity, and a 55 number with a first local digit of 5 is typically a Mexico City fixed line. The practical distinction matters for cost: mobile-to-mobile calling within Mexico is cheap on local plans, but international-to-mobile rates differ from international-to-landline. If a business contact gives you a number starting with 800, that is a Mexican toll-free line — reachable domestically for free but billed as an international call from abroad and often blocked entirely.

Saving money on calls to Mexico

Mexico sprawls across three time zones: most of the country — including Mexico City, Guadalajara, and Monterrey — runs on Central Time (UTC-6, UTC-5 with DST). The northwest corridor, including Tijuana and Mexicali, follows Pacific Time, in sync with California. Sonora is Central year-round without DST. Missing this geography means calling Monterrey and Tijuana contacts at the same time and reaching one in the morning and one still asleep. For business calls, the effective window is 9 AM to 1 PM before the midday meal stretches things out, then again from 4 PM to 7 PM. September is a bad month for office availability: Independence Day on the 16th is a genuine shutdown, and the weeks around it see planning meetings stacked and attention scattered. Calling a landline at a business is typically cheaper than a mobile and more reliably answered during office hours; personal mobile contact works better evenings.