0643 area code — Sonora
In Mexico, the area code 0643 covers Sonora. Numbers are written internationally as +52 643.
* Mexico spans more than one time zone; the clock shows its primary zone.
How to call Sonora
- From abroad
- +52 643 XXX XXXX
- Within Mexico
- 0643 XXX XXXX
- Country calling code
- +52
About the 0643 area code
When you see a number beginning +52 643, it belongs to Sonora: the 52 is Mexico's country calling code and 643 is the area code.
Area codes like 0643 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 Sonora?
Sonora uses the area code 0643, written internationally as +52 643.
How do I call Sonora from another country?
Dial your international access code, then +52 643, then the local number — dropping the national leading 0.
What time is it in Sonora?
Sonora is in the America/Bahia_Banderas time zone; the live clock above shows the current local time.
Is 0643 a mobile or a landline code?
0643 is a geographic (landline) area code for Sonora. Mobile numbers in Mexico use their own separate prefixes.