0421 area code — Guanajuato
Phone numbers in Guanajuato, Mexico use the area code 0421. Numbers are written internationally as +52 421.
* Mexico spans more than one time zone; the clock shows its primary zone.
How to call Guanajuato
- From abroad
- +52 421 XXX XXXX
- Within Mexico
- 0421 XXX XXXX
- Country calling code
- +52
About the 0421 area code
Locally the code appears as 0421; from outside Mexico you replace the leading 0 with +52 421.
Area codes like 0421 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 Guanajuato?
Guanajuato uses the area code 0421, written internationally as +52 421.
How do I call Guanajuato from another country?
Dial your international access code, then +52 421, then the local number — dropping the national leading 0.
What time is it in Guanajuato?
Guanajuato is in the America/Bahia_Banderas time zone; the live clock above shows the current local time.
Is 0421 a mobile or a landline code?
0421 is a geographic (landline) area code for Guanajuato. Mobile numbers in Mexico use their own separate prefixes.