Number Validator
Only work with valid phone numbers
Don’t waste time on poor data. Voiso’s Number Validator ensures your calling lists only include valid numbers to boost your talk time and campaign performance.
Clean calling lists for efficient campaigns
Validate numbers, optimize outreach
Quick and easy number validation
Don’t waste valuable time and resources on calls that go nowhere.
Voiso’s Number Validator ensures your contact lists are accurate and up-to-date, so your agents connect with real people, every time.
No more frustration, no more dead ends — just higher conversions and a more efficient campaign.
Unlock valuable contact insights
Our Number Validator provides detailed information about each contact, including country, carrier, number type, and reachability status.
Use these insights to personalize your outreach, target specific demographics, and make data-driven decisions that drive results.
Clean lists, optimal performance
By eliminating invalid and unreachable numbers from your campaigns, our Number Validator helps you optimize your budget and maximize your ROI.
Experience the peace of mind that comes with knowing your contact data is clean, reliable, and ready to deliver results.
Optimize your outbound campaigns
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FAQs on Voiso's Voiso's Number Validator
What is Number Validator?
Voiso’s Number Validator is a powerful tool that helps you ensure the accuracy and quality of your contact lists. It validates phone numbers in bulk, checking for formatting errors, confirming allocation to service providers, and providing valuable insights like country, carrier, and reachability status.
How does Number Validator work?
Simply upload your list of phone numbers in a CSV file, choose your desired level of validation (Number Profile or Line Activity), and submit your request. Our system will quickly process your list, automatically checking for errors and providing a detailed report on each number.
What are the benefits of Number Validator?
- Boost campaign success: Eliminate wasted calls and connect with real people, leading to higher conversions and more efficient campaigns
- Unlock valuable contact insights: Gain a deeper understanding of your audience with detailed information about each number, including location, carrier, and reachability status
- Clean lists, clear savings: Reduce dialing costs and optimize your budget by removing invalid and unreachable numbers
- Improved compliance & data protection: Mitigate risks by ensuring your contact lists are accurate and up-to-date, helping you stay compliant with data protection regulations.
- Tailored validation options: Choose between Number Profile and Line Activity to get the level of detail you need
- Easy to use: Validate large lists in bulk with a user-friendly interface and actionable CSV reports