Free Phone Number Validator

With our free phone number validation service you can easily verify if any national or international phone number is really valid.

International Phone Number Validation

Our phone number validation service is available not only for the US and Canada
- we offer complete, full-service validation for any national or international phone number:

Phone Validation Plus Contact Data Validation

With our Phone Validation Plus service, you can add contact data details like name, address, company and others and we'll validate this information together with the phone numbers you provide.
See how it works with a free trial for up to 100 contacts!

Validate a Phone Number

Just enter the phone number you want to validate:
Select the country for this phone number:

Data Protection and Privacy Policy

We do not process or store phone numbers for any purpose other than validation. Please see our Data Protection and Privacy Policy for details.

Phone Number Validation: Batch & Online API

Whether you have existing customer data to clean or want to stop bad phone numbers from getting on your list, we have exactly the right solution for you:

If you have any questions, please contact us by email to support@byteplant.com.

Spread the Word - Help Other People Validate Phone Numbers

Help other people check phone numbers online and let them know about this free phone number validation service - just place a link to our service on your website: