São Paulo Area Code: DDD 11 Complete Guide
São Paulo uses area code DDD 11. Complete guide to dialing São Paulo from the USA/UK, all 9 SP state DDDs (11-19), mobile format (+55 11 9XXXX-XXXX), time zone (BRT UTC-3), and cheapest rates.
Sao Paulo Area Code: DDD 11 Complete Guide
The Sao Paulo area code (DDD) is 11, covering the city and its metro area; the rest of the state uses DDDs 12 to 19. To call Sao Paulo from the US, dial 011 55 11 and the 8-digit landline or 9-digit mobile number (mobiles start with 9).
SPQuick Facts
BRSao Paulo State DDDs: 11 Through 19
Sao Paulo state is the most populous in Brazil and uses 9 DDDs (area codes) covering its major cities and regions:
| DDD | Area Served | Note |
|---|---|---|
| 11 | Sao Paulo (capital & metro) | Largest city in South America, financial capital |
| 12 | Sao Jose dos Campos | Aerospace & tech hub (Embraer, INPE) |
| 13 | Santos & Baixada Santista | Largest port in Latin America |
| 14 | Bauru | Central SP, railway junction |
| 15 | Sorocaba | Industrial center west of SP |
| 16 | Ribeirao Preto | Sugarcane & agribusiness capital |
| 17 | Sao Jose do Rio Preto | Northwest SP, medical tourism |
| 18 | Presidente Prudente | Western SP, Pontal do Paranapanema |
| 19 | Campinas | Tech hub (Unicamp), second-largest SP metro |
For a complete list of all Brazilian DDDs by state, see our Brazil Area Codes (DDD) guide.
TelHow to Call Sao Paulo
Sao Paulo Number Format
11 digits: country code (55) + DDD (11) + 8-digit number
Sao Paulo Mobile Numbers: The 9-Prefix Rule
Since 2012, all mobile numbers in Sao Paulo have 9 digits, starting with a leading 9. Sao Paulo was the first city in Brazil to adopt this change, mandated by ANATEL (Brazil's telecom regulator). By 2016, all Brazilian states had transitioned to 9-digit mobile numbers.
If you have an old 8-digit Sao Paulo mobile number, simply add a 9 at the beginning to get the current format.
TZSao Paulo Time Zone
Sao Paulo operates on Brasilia Time (BRT), which is UTC-3 year-round. Brazil abolished daylight saving time in 2019, so Sao Paulo does not change its clocks seasonally.
Best time to call Sao Paulo from the US East Coast: 10 AM - 2 PM EST corresponds to 12 PM - 4 PM in Sao Paulo, when businesses are open and people are available.
$Cost to Call Sao Paulo
| Service | Rate per Minute | Notes |
|---|---|---|
| BubblyPhone | From $0.034/min | Best rates for Sao Paulo landlines & mobiles |
| AT&T / Verizon | $2.50-3.50/min | Standard international rate without a plan |
| T-Mobile | $0.25+/min | With international add-on |
| Free | App-to-app only, 96%+ adoption in Brazil | |
| Google Voice | $0.05/min | Requires Google Voice account |
Note: WhatsApp has over 96% adoption in Brazil, making it the dominant messaging and calling app. For casual calls, WhatsApp is the most common method Brazilians use to communicate.
BizBusiness Calling Tips
Business hours: Standard office hours in Sao Paulo are 8 AM - 6 PM, Monday through Friday. Schedule calls within this window for the best chance of reaching someone.
Financial capital: Sao Paulo is Brazil's financial capital, home to the B3 stock exchange (formerly BM&F Bovespa) and the Faria Lima Avenue financial district. Most multinational corporations operating in Brazil have their headquarters here.
WhatsApp is standard: In Brazil, WhatsApp is the default communication tool for both personal and business use. It is common for Brazilian companies to list WhatsApp numbers on their websites and business cards. Do not be surprised if a business contact prefers WhatsApp over traditional phone calls.
Language: Portuguese is the official language. While English is spoken in international business contexts, having a Portuguese-speaking contact or translator can be valuable for smoother communication.
?Frequently Asked Questions
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Crystal-clear calls to Sao Paulo landlines and mobiles from $0.034/min. No hidden fees, no contracts.