What is the country code for Brazil?

Brazil's country code is +55. When calling from Argentina, you dial 00 55 followed by the area code and local number.

What exit code do I dial from Argentina to make an international call?

Argentina's international exit code is 00. On a mobile phone, you can substitute it with the + symbol.

How do I call a Brazilian mobile phone from Argentina?

Dial 00 55, then the two-digit area code, then the 9-digit mobile number (which always starts with 9). For example, to call a São Paulo mobile: 00 55 11 9 XXXX XXXX.

Is there a time difference between Argentina and Brazil?

Most of Brazil (including São Paulo, Rio de Janeiro, and Brasília) shares Argentina's UTC−3 time zone. Western states like Amazonas (UTC−4) and Acre (UTC−5) are 1–2 hours behind.

How much does it cost to call Brazil from Argentina with Sayfone?

Sayfone offers calls to Brazil at $0.12 per minute. You can call directly from your browser — no app download required.

Can I call Brazilian toll-free (0800) numbers from Argentina?

Generally no. Brazilian 0800 numbers are restricted to domestic calls. Try to find the company's geographic number or contact them online.

Why isn't my call to Brazil connecting?

The most common reasons are: including Brazil's domestic trunk prefix (0) or carrier code in your dial string, using an 8-digit mobile number instead of 9 digits, or an incorrect area code. Double-check the format: 00 55 + area code + local number.

Do I need to dial differently for Brazilian landlines vs. mobiles?

The country code and area code are the same. The difference is the local number length: landlines use 8 digits (starting with 2–5) and mobiles use 9 digits (starting with 9).

Quick Answer

How to Call Brazil from Argentina

From Argentina, dial 00 + 55 + area code + local number. For mobiles, the local number starts with 9 and is 9 digits long. For landlines, the local number is 8 digits. You can also use +55 from any mobile phone.

See full dialing steps

Cost tools

🇦🇷From Argentina

To Brazil🇧🇷

$0.12

Per minute

+55

Country code

Call quality

Landline rate

$0.12/min

Mobile rate

$0.12/min

Same per-minute Sayfone rate for landline and mobile.

Average call quality

Argentina and Brazil share the same primary time zone (UTC−3), so timing your calls is straightforward. With Sayfone you can reach Brazilian landlines and mobiles at $0.12/min — right from your browser.

Steps at a glance

Dial 00 (Argentina's international exit code) or press + on your mobile
Dial 55 (Brazil's country code)
Dial the 2-digit area code (e.g. 11 for São Paulo, 21 for Rio de Janeiro)
Dial the local number (8 digits for landlines, 9 digits for mobiles)

Sources

1
Telephone numbers in Argentina – Wikipedia
Exit code 00 for outbound international calls from Argentina
2
List of dialling codes in Brazil – Wikipedia
Brazil country code +55 and area code structure

STEP-BY-STEP

How to Dial a Brazilian Number from Argentina

Follow these steps to reach any landline or mobile phone in Brazil. The full dialing format from Argentina is: 00 + 55 + area code + local number.

1
Dial Argentina's exit code
From a landline or mobile in Argentina, dial 00 to access an international line. On a mobile phone, you can press and hold the 0 key to enter the + symbol instead.
```
00 …
```
2
Dial Brazil's country code
Enter 55, which is Brazil's international country code. This routes your call to the Brazilian telephone network.
```
00 55 …
```
3
Dial the 2-digit area code
Brazil uses two-digit area codes (known as DDD codes). Common examples: 11 for São Paulo, 21 for Rio de Janeiro, 61 for Brasília, 51 for Porto Alegre, 41 for Curitiba. Do not include any leading zero or carrier selection code — those are only for domestic calls within Brazil.
```
00 55 11 …
```
4
Dial the local number
For landlines, enter the 8-digit number (digits typically start with 2–5). For mobile phones, enter the 9-digit number (always starts with 9). The full dialing string will be 12 or 13 digits after the exit code.
```
00 55 11 9 8765 4321 (mobile) or 00 55 11 3456 7890 (landline)
```

Dialing format reference

+55

Use these patterns when entering a full international number to +55.

Mobile

+55 AA 9XXXX-XXXX

Landline

+55 AA XXXX-XXXX

00 55 11 9 1234 5678 (São Paulo mobile)
00 55 21 3456 7890 (Rio de Janeiro landline)
00 55 61 9 8765 4321 (Brasília mobile)
00 55 51 3210 9876 (Porto Alegre landline)

Major city area codes

São Paulo11

Rio de Janeiro21

Brasília61

Belo Horizonte31

Curitiba41

Porto Alegre51

Salvador71

Recife81

Sources

1
Telephone numbers in Argentina – Wikipedia
Argentina outbound international call prefix 00
2
Telephone numbers in Brazil – Wikipedia
Inbound international call format +55 aa nnnn nnnn
3
ITU – Brazil numbering plan (country code +55)
Official ITU documentation on Brazil mobile 9-digit format

IMPORTANT RULES

Dialing Rules for Calling Brazil from Argentina

Keep these key rules in mind to avoid common mistakes when calling Brazil from Argentina.

Do not dial Brazil's trunk prefix (0) or carrier code

When calling from Argentina, skip the leading 0 and the two-digit carrier selection code (e.g. 21 for Embratel) used inside Brazil. Start directly with 00 55 + area code + number.

All Brazilian mobile numbers start with 9

Since the nationwide ninth-digit migration, every Brazilian mobile number begins with the digit 9, making the mobile subscriber number 9 digits long. If a contact gives you an 8-digit mobile number, prepend a 9.

Landline numbers are 8 digits; mobile numbers are 9 digits

Brazilian landlines have 8 digits and begin with 2–5. Mobiles have 9 digits and always begin with 9. Mixing up the length will cause a failed call.

Use the correct area code (DDD)

Brazil has over 60 two-digit area codes. Always confirm the area code for the city you are calling. For example, São Paulo is 11, Rio de Janeiro is 21, and Brasília is 61.

Using + instead of 00

On most mobile phones in Argentina, pressing and holding the 0 key produces a + symbol. Using +55 at the start of the number is equivalent to dialing 00 55 and is often more reliable when your call is routed via VoIP or a browser-based service like Sayfone.

TIMING & TIPS

Best Times to Call Brazil from Argentina

Argentina and Brazil's major cities (São Paulo, Rio de Janeiro, Brasília) share the same time zone — UTC−3. This makes scheduling calls straightforward, with no time conversion needed for most destinations.

🇧🇷

Brazil spans multiple time zones, so calls to the western states of Acre (UTC−5) or Amazonas (UTC−4) may require adjustment. For business calls, mid-morning tends to work best.

Time & windows

São Paulo / Rio / Brasília

Same time as Argentina (UTC−3)

No conversion needed

Manaus / Amazonas

1 hour behind Argentina (UTC−4)

When it's 10 AM in Buenos Aires, it's 9 AM in Manaus

Rio Branco / Acre

2 hours behind Argentina (UTC−5)

When it's 10 AM in Buenos Aires, it's 8 AM in Rio Branco

🇦🇷Best for business calls

9:00 AM – 12:00 PM (Argentina time)Matches Brazilian office hours perfectly for São Paulo, Rio, and Brasília

🇦🇷Best for personal/family calls

7:00 PM – 9:30 PM (Argentina time)Evening hours — most people are home and available

🇦🇷Avoid calling

Before 8:00 AM or after 10:00 PMEarly morning and late night calls are generally considered inconsiderate

Calling tips

Argentina and most of Brazil share UTC−3, so you can call during your normal business hours without any conversion.
Brazil abolished daylight saving time in 2019, so the offset between the two countries remains constant year-round for most destinations.
If calling western Brazil (Manaus, Acre), subtract 1–2 hours from your local Argentine time.
Use Sayfone in your browser to call Brazilian numbers at $0.12/min with no app install required.

Business etiquette

Brazilian business culture values personal rapport — begin calls with a brief greeting before jumping into business matters.
Titles matter: address contacts as Senhor/Senhora followed by their surname until invited to use first names.
Meetings and calls may start a few minutes past the scheduled time; patience is appreciated.
For MERCOSUR trade calls, having key terms prepared in Portuguese demonstrates professionalism and respect.

Sources

1
Brazilian Time Zones – Travel Brazil Selection
Overview of Brazil's multiple time zones

TROUBLESHOOTING

Common Issues When Calling Brazil from Argentina

If your call to Brazil isn't connecting, check these common problems and their solutions.

Including Brazil's domestic trunk code (0) or carrier code

When calling from Argentina, do not dial the 0 or the two-digit carrier selection code that Brazilians use for domestic long-distance calls. Go straight to 00 55 + area code + number.

Dialing an 8-digit mobile number instead of 9 digits

All Brazilian mobile numbers now have 9 digits and start with 9. If your contact gave you an 8-digit mobile number, add a 9 at the beginning of the subscriber number.

Wrong or missing area code

Brazil requires a two-digit area code for every call. Double-check the DDD code for the city you're calling. Common mix-ups include confusing São Paulo (11) with São Paulo state interior codes (12–19).

Calling a Brazilian toll-free (0800) number from Argentina

Brazilian 0800 numbers are generally restricted to domestic calls and cannot be reached from international lines. Try to find a geographic number or contact the company via their website.

Call quality issues

If you experience choppy audio or drops, check your internet connection — browser-based calling services like Sayfone rely on a stable data connection. Switch to Wi-Fi if you're on mobile data.

Sources

1
Telephone numbers in Brazil – Wikipedia
Number format rules and common dialing pitfalls

Savings

See what you could save

Adjust the tools below to compare Sayfone with typical retail pricing for calls to Brazil. Start with one call, then layer on monthly volume to see the bigger picture.

How to use these tools

Sayfone uses your live rate for calls to Brazil — the same basis as the rest of this page.
First, estimate savings on a single call length. Then, model a full month of minutes versus typical retail benchmarks.
Retail competitor rows are illustrative — not a quote from any carrier.