How Dutch phone numbers are formatted
Dutch numbers contain ten digits including the trunk 0: 020 for Amsterdam, 010 for Rotterdam, 06 for mobiles. Internationally: +31 20 123 4567.
Each landline uses the real area code of a city such as Amsterdam, Rotterdam, The Hague, so numbers look exactly like those your users will type.
How to use it
- The country is already set to Netherlands — adjust the other options if needed.
- Press Generate for a fresh batch.
- Copy single results or export everything as CSV, JSON or TXT.
Want results from other countries? Open the Random Phone Number Generator to mix all 40 countries.
Frequently asked questions
What is the country code for the Netherlands?
The international dialling code for the Netherlands is +31.
Can I call these Dutch numbers?
Please don’t — they are generated randomly and may belong to real subscribers. Use them only for testing and design.
Can I call these numbers?
Please don’t. They are randomly generated and may belong to real people. Use them only for testing and display purposes.
What is E.164 format?
E.164 is the international standard: a plus sign, the country code and the subscriber number with no spaces, e.g. +442079460958. Most SMS and telephony APIs require it.