Phone Number Validator
NewValidate international phone numbers with country code recognition and format checking. Detects the country from the dialing code, validates the number length for that country, and formats the number in international E.164 format (+1 555 123 4567). Supports 200+ country codes. Useful for form validation, data entry, CRM data cleaning, and API integrations.
Phone Number Validator
Validate phone number format, length, and E.164 compliance. Strips formatting and checks digit count.
How to Use Phone Number Validator
- 1Enter a phone number with country code (+1, +44, etc.)
- 2View validation result and detected country
- 3See E.164 formatted number
- 4Check for format errors
About Phone Number Validator
Validate international phone numbers with country code recognition and format checking. Detects the country from the dialing code, validates the number length for that country, and formats the number in international E.164 format (+1 555 123 4567). Supports 200+ country codes. Useful for form validation, data entry, CRM data cleaning, and API integrations.
Your Privacy is Protected
Phone Number Validator runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What is E.164 format?
E.164 is the international standard for phone numbers: +[country code][area code][local number], no spaces or special chars. Example: +12125551234.
Why Use This Tool?
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