021 area code — Rio de Janeiro
Phone numbers in Rio de Janeiro, Brazil use the area code 021. Numbers are written internationally as +55 21.
* Brazil spans more than one time zone; the clock shows its primary zone.
How to call Rio de Janeiro
- From abroad
- +55 21 XXX XXXX
- Within Brazil
- 021 XXX XXXX
- Country calling code
- +55
About the 021 area code
Locally the code appears as 021; from outside Brazil you replace the leading 0 with +55 21.
Area codes like 021 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 Rio de Janeiro?
Rio de Janeiro uses the area code 021, written internationally as +55 21.
How do I call Rio de Janeiro from another country?
Dial your international access code, then +55 21, then the local number — dropping the national leading 0.
What time is it in Rio de Janeiro?
Rio de Janeiro is in the America/Araguaina time zone; the live clock above shows the current local time.
Is 021 a mobile or a landline code?
021 is a geographic (landline) area code for Rio de Janeiro. Mobile numbers in Brazil use their own separate prefixes.