How many digits are in a Brazilian mobile phone number? How to screen for them

Leveraging ITG's comprehensive filtering capabilities, WhatsApp's batch number filtering function can achieve a more efficient process of "high-efficiency screening + precise segmentation + risk avoidance," becoming a key first step for enterprises to shift from "blindly targeting" to "precise customer acquisition" in WhatsApp marketing.

In today's highly competitive cross-border e-commerce and digital marketing landscape, many businesses are still using traditional manual methods to acquire customers. This approach is not only inefficient, but more importantly, it generates a large number of invalid phone numbers.To achieve precise marketing, the quality of phone numbers must be addressed first, and professional WhatsApp number screening tools are the key to solving this problem.

How can advanced WhatsApp number screening technology help businesses say goodbye to inefficient marketing and achieve precise customer reach?Traditional manual addition methods suffer from extremely low efficiency, a flood of invalid numbers, and mistargeting of customers. These pain points severely restrict marketing effectiveness.Data from a cross-border e-commerce platform shows that before using professional number filtering tools, 35% of its marketing budget was wasted on invalid numbers, and the conversion rate was consistently below 1%. This clearly demonstrates the limitations of traditional manual number addition methods.

ITG Global Screening, as a professional WhatsApp number screening platform, offers a range of powerful features to help businesses efficiently solve number quality issues.The platform uses advanced algorithm technology to detect the status of phone numbers in real time.

Through a multi-dimensional verification mechanism, the system can accurately identify invalid phone numbers such as empty numbers, virtual numbers, and risky accounts, with an accuracy rate exceeding 99%. The system also possesses learning capabilities, continuously optimizing the identification model based on the latest data.

Compared to traditional manual methods, ITG's full-domain filtering supports filtering tens of thousands of numbers simultaneously, increasing processing speed by more than 50 times. It automatically generates detailed filtering reports and supports importing and exporting data in multiple formats.Interaction frequency and online time filtering help operations teams target high-value users, increasing social media engagement and advertising conversion rates. The cloud control system combines self-screening, proxy screening, and detailed screening modes to enable efficient batch management of accounts across multiple platforms, improving team operational efficiency.

Batch removal of unused and abnormal accounts ensures cleaner and more reliable promotional data, providing a precise foundation for social media marketing.The system filters potential customers by profile picture and nickname, quickly targeting highly active users, improving advertising effectiveness and the quality of social media operations.

The cloud control platform supports unified management of Telegram, WhatsApp, LinkedIn, and Facebook accounts, enabling batch screening and efficient operations.The system screens potential customers across multiple dimensions, including age, gender, frequency of interaction, and online time, ensuring targeted reach for social media campaigns.