Phone Validator
Business & ProductivityValidate and format phone numbers for any country.
Common Country Codes
What is Phone Validator?
Phone Validator checks whether a phone number is valid for a selected country and returns all three standard formats: E.164 international (+12125551234), national (212-555-1234), and international (+1 212-555-1234). Supports 200+ countries.
How to use Phone Validator
Select the country
Choose the country from the dropdown. The dial code is shown automatically and the format example updates.
Enter the phone number
Type the phone number. You can include or omit spaces, dashes, and parentheses.
Read the result
A green "Valid Phone Number" card shows all three format outputs. A red card explains why the number is invalid.
Copy a format
Click the copy icon next to any format (E.164, National, International) to put it on your clipboard.
Who uses Phone Validator?
CRM data cleaning
Sales operations
Validate phone numbers collected through web forms or imported spreadsheets before adding them to a CRM or calling them.
SMS marketing
Marketing teams
Convert customer phone numbers to E.164 format required by Twilio, AWS SNS, and other SMS API providers.
International applications
Developers
Test the phone validation logic of an internationalised application by checking edge cases for each country's numbering plan.
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FAQ
Which countries are supported?+
What output formats are provided?+
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