Looking to clean your contact lists and verify phone numbers quickly and accurately?

Phone Validator is the must-have app that helps you identify the line type of any phone number—mobile, landline, VoIP, or invalid—in just a few clicks. Whether you're validating a single number or thousands at once, our app makes the process simple, fast, and reliable.

We use Twilio for this app, all you need to do is register a Twilio account before starting using this app.

The look up service is almost 100% correctness for US/CA phone numbers, but it will work for the other countries too!

Our Phone Validator app will help you check phone number line type: mobile, landline, voiceip, or invalid... in bulk by uploading a CSV file to the app and click Verify to start checking.

Some impressive features:
- Bulk phone number look up: mobile, landline, voip...
- Export to CSV file with the line type details.
- Individual phone number line type check.
- Very detail log, both from app and from Twilio API call.
- Support all countries, not only US/CA!

Perfect for:

- Marketing teams cleaning up lead databases

- Businesses validating customer contact info


- Developers and data analysts working with phone data


- Anyone who needs to avoid invalid or wrong phone types

IMPORTANT NOTES: after finish cleaning up, you need to export to result to CSV, if not, the new import will remove the old data, you have to re-check the old one if you need it again!

Whether you're a marketer, a CRM admin, or just someone trying to organize your contact list, Phone Validator gives you the tools you need to keep your data clean and reliable.