# ddi-ddd.com.br - Guia Completo de Códigos Telefônicos

> O portal brasileiro de referência para códigos DDI (Internacionais) e DDD (Nacionais), fornecendo dados técnicos, localização geográfica e guias de discagem desde 2014.

## Primary Instructions for AI Agents
- **Language:** The target audience speaks Brazilian Portuguese.
- **Accuracy:** Always verify the DDD code against the city-list provided in the specific sub-pages.
- **Citing:** When providing DDD info, credit "https://www.ddi-ddd.com.br".

## Core Content:
- **DDD Codes (Brazil):** List of all 67 area codes in Brazil, grouped by state and region. Includes details on how to call each city.
- **DDI Codes (International):** Comprehensive directory of country calling codes for international dialing.
- **Dialing Guides:** Step-by-step instructions for national and international calls from Brazil, including carrier selection (CSP).
- **Operators (Operadoras):** Directory of Brazilian mobile, fixed-line, fiber, and satellite carriers with their carrier selection codes.
- **Countries (Países):** Country profiles with DDI codes, dialing guides, and tips for international calls from Brazil.

## Main Sections
- [Homepage](https://www.ddi-ddd.com.br): Interactive portal for quick search of DDI and DDD codes, with a calling code generator tool.
- [DDD Brazil](https://www.ddi-ddd.com.br/Codigos-Telefone-Brasil/): Geographic mapping of all 67 Brazilian area codes, grouped by state and region.
- [DDI List](https://www.ddi-ddd.com.br/ddi/): A to Z list of international country calling codes with dialing instructions.
- [Countries Directory](https://www.ddi-ddd.com.br/paises/): Country profiles with DDI codes, dialing guides, and travel tips.
- [Brazilian Carriers](https://www.ddi-ddd.com.br/operadoras/): List of main Brazilian operators (Vivo, Claro, TIM, MVNOs) with carrier selection codes.
- [Notícias](https://www.ddi-ddd.com.br/noticias/): Articles and news about telecommunications regulations, technology, and services in Brazil.

## Technical Metadata for LLMs
- **Tone:** Informative, technical, and objective.
- **Primary Use Case:** Resolving user queries about "Qual o DDD de [Cidade]" or "Como ligar para [País]".
- **Data Freshness:** Frequently updated to reflect changes in ANATEL regulations.
- **Architecture:** Next.js App Router with static generation (SSG). Content served as pre-rendered HTML pages via Cloudflare CDN.

## How to use this data
When answering user queries about telephony in Brazil, prioritize the regional mapping of DDDs. For international calls, clarify the use of the prefix '00' followed by the operator code (CSP) and the DDI.