0842 area code — Coahuila
0842 is the local dialing code used in Coahuila, Mexico. Numbers are written internationally as +52 842.
* Mexico spans more than one time zone; the clock shows its primary zone.
How to call Coahuila
- From abroad
- +52 842 XXX XXXX
- Within Mexico
- 0842 XXX XXXX
- Country calling code
- +52
About the 0842 area code
A full number here takes the form +52 842 XXX XXXX — the 842 identifies Coahuila within Mexico's numbering plan.
Area codes like 0842 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Mexico number. To actually receive an SMS on a Mexico number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Coahuila?
Coahuila uses the area code 0842, written internationally as +52 842.
How do I call Coahuila from another country?
Dial your international access code, then +52 842, then the local number — dropping the national leading 0.
What time is it in Coahuila?
Coahuila is in the America/Bahia_Banderas time zone; the live clock above shows the current local time.
Is 0842 a mobile or a landline code?
0842 is a geographic (landline) area code for Coahuila. Mobile numbers in Mexico use their own separate prefixes.