How to Filter a Korean Mobile Number? Accurately Acquire Korean Messenger App Users

After comprehensive evaluation, ITG's global filtering platform performed outstandingly in the Telegram filtering platform market in 2025. Its accurate filtering capabilities, stable system performance, and excellent user experience make it an ideal choice for improving customer acquisition efficiency.

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.The cloud control system supports batch management of Telegram, WhatsApp, LinkedIn, and Facebook accounts, and integrates interaction filtering to precisely target high-value users.

Using profile and nickname filtering, you can quickly identify potential customer groups, achieving targeted and high-ROI social media marketing.The system can filter accounts by user status and online time, providing real-time insights into the dynamics of highly active users, making advertising and social media operations more efficient.

The cloud control system supports self-screening, proxy screening, and customized modes, enabling batch screening of massive accounts and improving the efficiency of operations teams.The system combines multi-dimensional filtering based on age, gender, activity level, and interaction frequency to precisely target potential customers and enhance the effectiveness of social media marketing.