This is the telephone area code for Duque de Caxias and the broader Rio de Janeiro metropolitan region in southeastern Brazil.
How to Call Duque de Caxias from Overseas
- Dial your country's exit code (International Access Code)
- Dial 55 (Brazil country code)
- Dial the area code (21)
- Dial the local phone number (8 or 9 digits)
Example: Calling Duque de Caxias from the United States
011 55 21 98765 4321
Where:
011 = US exit code
55 = Brazil country code
21 = Duque de Caxias area code (shared with Rio de Janeiro)
98765 4321 = Local phone number (mobile example)
Quick Facts
Duque de Caxias Area Code Coverage
The 21 area code covers Duque de Caxias and is shared across the Greater Rio de Janeiro metropolitan area:
Centro
Downtown Duque de Caxias, Praça Nilo Peçanha, Rua Dr. Laureano
Jardim Vinte e Cinco de Agosto
Historic residential and commercial district
Saracuruna
Industrial zone near REDUC refinery
Imbariê
Residential area with transport hubs
Austin
Planned neighborhood with green spaces
Greater Rio Region
Rio de Janeiro, Niterói, São João de Meriti, Nova Iguaçu, Belford Roxo
Major Brazil Area Codes
Common Exit Codes for Calling Brazil
When calling Duque de Caxias from these countries, use these exit codes:
United States
011
Australia
0011
European Union
00
Japan
010
China
00
Canada
011