导语：Instead of continuing to use inefficient manual methods, we should embrace advanced screening technology as soon as possible.
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.
How to filter US phone number data? Detects activity status and gender tags.原创文章，未经授权禁止转载。详情见转载须知。
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