Phone number validation

Dynamics CRMfor Office 365 and on premise

  • Format and validate the phone number of your customers upon data entry and data processing in your Dynamics CRM instance. The extension can be added to self hosted versions and the Microsoft online solution (Office 365).

Microsoft Excelfor one or thousands of records

  • Format and validate the phone numbers of your customers and prospects directly in your Excel spreadsheets. Achieve maximum data quality with minimum effort. No additional infrastructure required.

Interfacefor custom applications

  • Implement the validation of phone numbers in your custom solution and avoid the effort of export and import. Our API documentation provides code snippets of common programming languages for fast implementation.

Your benefit

  • International

    Parse and validate international phone numbers by entering a country code.

  • Unify format

    All phone numbers are converted to an unify, international format (+1 541-754-3010).

  • Phone number type

    Detects the number type of all valid phone numbers (e.g. fixed line or mobile).

  • Verification

    Mobile phone numbers are checked for validity in read time without triggering a call or sending a message.

Any questions? Contact us


  • You pay only what you use

  • No subscription or fixed costs

  • Performance based payment

In order to enable the payment of different currencies, we have introduced a system based on credit balance as payment for the individual functions. The currency of the account is called /data.mill credits. Your /data.mill credits have no expiration date.

Beginner 50.000 /data.mill credits

Advanced 250.000 /data.mill credits

Enterprise S 1.000.000 /data.mill credits

You will find more packages in our online shop.

visit our online shop

Better data starts with a conversation

Contact us now!

data.mill GmbH