VoiceDrop Ringless Voicemails
Validate Phones & DNC Lists

Verify any number with VoiceDrop Phone Validation

Increase the effectiveness of your campaigns by ensuring your voice messages are delivered to validated, active phone numbers - while staying compliant with built-in DNC management.

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Verify any number with
Clean data, better deliverability

Validate, scrub, and protect every campaign

Bulk Validation for Maximum Efficiency

Save time by validating entire contact lists in bulk. Upload a CSV and VoiceDrop streamlines the process so your outreach is targeted and error-free - you only pay for successful deliveries.

  • Validate entire lists in bulk from a CSV
  • Real-time HLR lookup filters inactive numbers
  • Detect invalid numbers and number types
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Bulk Validation for Maximum Efficiency

Hassle-free DNC list management

Stay compliant with ease by uploading your Do Not Call (DNC) numbers to VoiceDrop. The platform automatically ensures no ringless voicemails are sent to numbers on your DNC list.

  • Upload and manage your DNC list in one place
  • Automatic suppression on every campaign
  • Export opt-out history whenever you need it
Hassle-free DNC list management

Keep your database up-to-date

Ensure your contact data is clean and accurate with reliable phone verification. Detect errors, invalid numbers, and number types to maintain a clean, reliable contact database.

  • Detect invalid numbers and number types
  • Cleanliness scoring across your contacts
  • Higher deliverability, less wasted spend
Keep your database up-to-date

Real-time HLR lookup

Instantly verify the validity and status of mobile numbers before sending, filtering out inactive or disconnected contacts to reduce failed deliveries.

  • Live carrier and status lookup
  • Filter inactive and disconnected numbers
  • Fewer failed deliveries, better results
Real-time HLR lookup

Spam report checks to protect your reputation

Filter out sender numbers flagged as spam before you send. Avoid scam-alert warnings in prospects' inboxes, protect your brand reputation, and keep campaigns TCPA-safe.

  • Flag spam-reported sender numbers
  • Protect your sender reputation
  • Keep campaigns TCPA-safe
Spam report checks to protect your reputation
Why validation pays for itself

Less waste, higher delivery, full compliance

  • Validate entire lists in bulk before sending
  • Real-time HLR lookup to filter inactive and disconnected numbers
  • Automatic Do Not Call list suppression
  • Spam report checks to safeguard your sender reputation
  • Clean, accurate contact data with number-type detection
  • Buy sender numbers with voicemail units and call forwarding included
FAQ

Phone Validation & DNC FAQs

It works with mobile and VoIP numbers, with VoIP numbers having a slightly lower deliverability rate. The service is limited to US-based numbers capable of receiving voice messages, and we only charge for successful deliveries.
Yes. You can use any phone number, including voice-over IP numbers, for verification, and there is no limit to the number of phone numbers you can verify.
Upload your Do Not Call numbers to VoiceDrop and the platform automatically ensures no ringless voicemails are sent to numbers on your DNC list, helping you stay compliant with ease.

Validate your list and protect every send

Start with $20 in free credits - about 200 messages. No contracts.

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