Developer Tools

Phone Number Validator

Validate phone numbers with format checking.

Phone Number

How to use the Phone Number Validator

Type or paste a phone number.

Click Validate to check the format.

See if the format is valid or invalid.

Validate phone numbers with format checking. The phone number validator runs in your browser unless the page states that it uses an external service.

What phone number formats are supported?

This tool validates common international formats including +1234567890, (123) 456-7890, and 123-456-7890.

Does it verify if the number is active?

No, this only validates the format. It doesn't check if the phone number is actually in service.

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