Mongolia → 
BrazilStep by step
Dial in this order.
- 1Dial 001001
The exit code for Mongolia. It tells the network the next number is international.
- 2Dial 5555
The country code for Brazil.
- 3Dial the area code21
Brazil area codes start with 0 at home. Leave it off: 21 for Rio de Janeiro.
- 4Dial the local number2345 6789
8 digits in Rio de Janeiro.
WHAT TO DIALMongolia → Brazil
001 + 55 + area code + number
Exit Code
001
Mongolia exit code
+Country Code
55
Country code for Brazil
+City Code
--(2)
Rio de Janeiro 21. Drop the leading 0.
+Phone Number
--------(8)
Rio de Janeiro, 8 digits
TypeWhat you dialExample
LANDLINE001 55 -- -------- (2)+(8)001 55 21 2345 6789 Rio de Janeiro
MOBILE001 55 ---------- (10–11)001 55 119 6123 4567
Drop the leading 0.
Major Brazil city codes
| City | Dial from Mongolia | City code | Number |
|---|---|---|---|
| Rio de Janeiro | 001 55 21 | -- (2) | -------- (8) |
| São Paulo - SP | 001 55 11 | -- (2) | -------- (8) |
| São José dos Campos - SP | 001 55 12 | -- (2) | -------- (8) |
| Santos - SP | 001 55 13 | -- (2) | -------- (8) |
| Bauru - SP | 001 55 14 | -- (2) | -------- (8) |
| Sorocaba - SP | 001 55 15 | -- (2) | -------- (8) |
| Ribeirão Preto - SP | 001 55 16 | -- (2) | -------- (8) |
| São José do Rio Preto - SP | 001 55 17 | -- (2) | -------- (8) |
At home these codes are written with a 0 in front. Leave that off when calling from abroad.
Time difference
Mongolia4:29 AM
11 hoursRio de Janeiro5:29 PM
Rio de Janeiro is 11 hours behind Mongolia.
Calling from a mobile?
Just dial +55 21 2345 6789 — hold 0 to get the +. The + works from any country.