Data Tinker
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Phone generator
From eight countries, mobile or landline, written as they do there or with the country code. In the United Kingdom, France, Germany and the United States it comes by default from the range their regulator reserves for fiction: it calls nobody. Spain, Portugal, Italy and Mexico have no such range, and the number may exist.
Free, no sign-up and no limits. Everything is generated in your browser: nothing is sent anywhere.
What if it filled itself in?
With the Data Tinker extension there is no copying and pasting: it fills the whole form from a panel next to the page, with templates per form and rules for your own fields.
Add to Chrome freeAll generators
Profiles
Personal documents
Banking
Addresses and phones
Justice
Property and utilities
Vehicles
Dates and times
Texts
Technology
Test data: valid in format and check digits, but made up. A randomly generated number may match a real person's; do not use them on real systems.