Phone Number Validator

Validate, normalise and format phone numbers for any country with line-type detection via libphonenumber.

Type a number to validate it locally with libphonenumber-js metadata.

Validated entirely in your browser using libphonenumber-js (Google libphonenumber metadata) — nothing is sent to any server. Format validity does not prove the line is in service.

About Phone Number Validator

Validate, normalise and format phone numbers for any country with line-type detection via libphonenumber.

Phone Number Validator searches a bundled offline dataset, so results come back instantly and your search terms never leave the page.

How to Use Phone Number Validator

  1. Enter the code, name or detail you are looking for.
  2. Narrow the search with the available filters if needed.
  3. Pick the matching result from the list.
  4. Copy the details you need.

Key Features

  • Large bundled dataset — searches are instant and work offline.
  • Multiple ways to search: code, name, region and more.
  • Private: your queries are processed locally.

Frequently Asked Questions

Where does the data in Phone Number Validator come from?

Results come from a bundled dataset that ships with the page, so lookups are fast, private and available even without a network connection.

Is Phone Number Validator free to use?

Yes. Phone Number Validator is completely free with unlimited use — no account, download or payment required.

Is my data uploaded to a server?

No. Phone Number Validator runs entirely in your browser. Your inputs are never sent to our servers or stored anywhere.

Does Phone Number Validator work on mobile?

Yes. The interface is fully responsive and works in any modern browser on Android, iPhone, tablets and desktops.

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