Phone List Validation & Cleaning

Phone list validation & cleaning maximizes the efficiency of your marketing campaigns and helps you to keep in touch with your customers.

Increase the performance of your marketing campaigns - clean your database from invalid or outdated phone numbers and focus on real people. To ensure full compliance with the FCC Telephone Consumer Protection Act (TCPA), our service also detects the exact line type (landline vs. mobile).

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Phone List Validation

Phone number lists can be submitted in plain text (.txt) format, or as comma-separated values (CSV) file. CRM systems, databases and spreadsheet software like Microsoft Excel are capable to export data to CSV.

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Register for Your Free Phone Validation Account!

With our phone validation service you can check up to 100 phone numbers for free - just register for your free account here and we send you an email with the details.

Your First Name (*)

Your Last Name (*)

Your Company/Organisation (*)

Your Business Email (*)

An email with a personalized download link for your validation results will be sent to this address. Please enter your business email - we do not accept free email addresses for the trial registration.

Validation Task Details

Task Name (*)

Choose a unique name that allows you to identify this task.

Country (*)

Select a country if the phone numbers in your list are not in international format (no leading +).

Language (*)

Select the output language.

Phone Number List File (*)

You can upload a text or CSV file, one phone number per line, use Phone as column header and comma (',') as column separator.
Excel files must be exported to CSV first:

  • Open the file in Excel.
  • Click Menu | Save As (Other Formats).
  • Enter a name for the file and choose "Unicode Text (*.txt)".
  • Click Save.
The free trial is limited to 100 phone numbers.


International Phone Number Validation

Increase the performance of your marketing campaigns: clean your database from invalid or outdated phone numbers - save money and focus on real people. To ensure full compliance with the FCC Telephone Consumer Protection Act (TCPA), our service also detects the exact line type (landline vs. mobile). Our phone number validation service allows you to check any national or international phone number. We offer complete, full-service phone number validation in 240 countries world-wide:

  • Status: VALID/CONFIRMED, VALID/UNCONFIRMED or INVALID
  • Line type: FIXED_LINE, MOBILE, VOIP etc. - compliant with the FCC Telephone Consumer Protection Act (TCPA)
  • Geolocation: Region and city
  • Phone number correction and re-formatting according to national and international standards