066 area code — Mato Grosso
In Brazil, the area code 066 covers Mato Grosso. Numbers are written internationally as +55 66.
* Brazil spans more than one time zone; the clock shows its primary zone.
How to call Mato Grosso
- From abroad
- +55 66 XXX XXXX
- Within Brazil
- 066 XXX XXXX
- Country calling code
- +55
About the 066 area code
When you see a number beginning +55 66, it belongs to Mato Grosso: the 55 is Brazil's country calling code and 66 is the area code.
Area codes like 066 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 Brazil number. To actually receive an SMS on a Brazil number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Mato Grosso?
Mato Grosso uses the area code 066, written internationally as +55 66.
How do I call Mato Grosso from another country?
Dial your international access code, then +55 66, then the local number — dropping the national leading 0.
What time is it in Mato Grosso?
Mato Grosso is in the America/Araguaina time zone; the live clock above shows the current local time.
Is 066 a mobile or a landline code?
066 is a geographic (landline) area code for Mato Grosso. Mobile numbers in Brazil use their own separate prefixes.