Guide to Detecting Korean Area Codes and Common Mobile Numbers

One-click export of screening results allows batch operations on Telegram, WhatsApp, and LinkedIn.

Through intelligent filtering and precise targeting, businesses can better reach their target customers and achieve business growth.The experience of an international e-commerce platform shows that after using professional screening tools, its customer acquisition cost decreased by 35%, conversion rate increased by 4 times, and customer satisfaction reached over 90%.

Instead of continuing to use inefficient manual methods, we should embrace advanced screening technology as soon as possible.Choosing the right WhatsApp number filtering tool will be an important step for businesses towards precision marketing and a key measure to enhance market competitiveness.Let's join hands to say goodbye to inefficient marketing and usher in a new era of precise targeting!

In a company's WhatsApp customer list, "zombie accounts" often act as a "hidden waste"—empty numbers, deactivated numbers, and long-term silent invalid accounts are mixed in, not only causing marketing messages to sink without a trace, but also wasting a lot of time and resources.WhatsApp bulk account filtering is the core solution to this problem. By using WhatsApp bulk account filtering, businesses can quickly remove "zombie accounts" from their customer lists, allowing marketing resources to accurately reach real users.

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.

This article will explain in detail the harms of "zombie accounts," the value of WhatsApp bulk account screening, and how to use ITG's global screening to implement bulk account screening and help businesses improve marketing efficiency.Intelligent tag generation: Automatically tags valid accounts with "activity tags", "demand tags", and "spending potential tags" without manual tagging.

The root cause of high costs in cross-border marketing lies in "resource mismatch"—investing budgets and energy in ineffective accounts. WhatsApp account screening is key to solving this resource mismatch.By using ITG's full-domain filtering, enterprises can efficiently eliminate invalid numbers and focus on high-value customers, achieving a triple optimization of "reduced push costs, improved manpower efficiency, and saved opportunity costs".

In today's increasingly competitive cross-border marketing environment, "cost control" is just as important as "effectiveness improvement".Prioritizing WhatsApp account screening and using ITG's comprehensive filtering to build a precise and effective customer pool is crucial to maximizing the value of every marketing investment and achieving low-cost, high-efficiency growth in cross-border business.