01 area code — São Paulo
Phone numbers in São Paulo, Brazil use the area code 01. Numbers are written internationally as +55 1.
* Brazil spans more than one time zone; the clock shows its primary zone.
How to call São Paulo
- From abroad
- +55 1 XXX XXXX
- Within Brazil
- 01 XXX XXXX
- Country calling code
- +55
About the 01 area code
Locally the code appears as 01; from outside Brazil you replace the leading 0 with +55 1.
Area codes like 01 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 São Paulo?
São Paulo uses the area code 01, written internationally as +55 1.
How do I call São Paulo from another country?
Dial your international access code, then +55 1, then the local number — dropping the national leading 0.
What time is it in São Paulo?
São Paulo is in the America/Araguaina time zone; the live clock above shows the current local time.
Is 01 a mobile or a landline code?
01 is a geographic (landline) area code for São Paulo. Mobile numbers in Brazil use their own separate prefixes.