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.

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Clean calling lists for efficient campaigns

Vetted contact lists
Validate numbers to ensue only legitimate, active contacts are included in campaigns.
Enhanced campaigns
Minimize wasted effort and maximize talk time for your outbound campaigns.
Detailed number info
Optimize outreach with easily-accessible info about numbers’ country, carrier and type.
Save on costs
Avoid bad numbers and the unnecessary expenses that come from dialing them.
Streamlined workflows
Easily upload and validate large contact lists in bulk using our intuitive platform.
Improve compliance
Reduce the risk of contacting opted-out contacts or whose data is inaccurate.

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

AI Predictive Dialer
Make 400% more calls per hour with Voiso’s AI Predictive Dialer. Our dialer uses AI to analyze historical and real time data for optimal outbound calling performance.
AI AMD
AI AMD identifies and skips over the 80% of cold calls that go to voicemail, ensuring your agents only connect with live contacts.
Local Caller ID
Boost answer rates 5x with local caller ID. Enhance trust, professionalism, and streamline call management.

Check out Voiso's other features

Omnichannel

Boost productivity by 25% by handling interactions across 8 channels in a single interface.

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Integrate with your trusted business tools

Quickly connect with Voiso in just a few clicks
ai speech analytics features

Get started in less than 24 hours

Let's chat about a solution that works for you

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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