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🧰 Handy tools for every team

Free tools for your business

Explore a growing set of free tools designed to help you get more out of your phone system. From quick lookups to smart checks – no login, no cost.

Whois number lookup

Quickly check which company or service owns any Dutch business phone number.

Phone Book

Look up business phone numbers by company name, industry, or service. Use our directory to connect with verified Dutch businesses.

  • Updated regularly
  • Search by keyword or region
  • Includes 0800, 0900 & 088 numbers
  • Verified business contact information

Free tools FAQ

A quick way to explore how everything works and what to expect.

It shows you which company or service owns a Dutch phone number. Great for spotting scams, checking shared lines, or confirming if a number is trustworthy.

You can check most national business lines, including 0800 (toll-free), 0900 (premium), and 088 (corporate) numbers.

No — the tools are currently focused on Dutch business numbers only. For international lookup, contact our team.

Yes, it’s free. You can search by name, industry, or region to find verified Dutch businesses and their contact details.

The database is updated regularly using official sources and client data to ensure accuracy.

It helps you make safe calls, spot spam or fake numbers, and connect faster with verified companies. It’s also a great way to vet unknown callers.