Phone Number Formatter
Enter a phone number to format it into E.164, national, and international representations. The tool validates the number structure, detects the country, and provides all standard formats. Useful for normalizing phone numbers in databases, CRM systems, or contact forms.
What this tool checks
- E.164 format conversion (+12125551234)
- National format (212) 555-1234
- International format +1 212 555 1234
- Country detection
- Validation of number structure
Automate this with the API
Run this tool programmatically from your code. Get a free temporary API key with 200 requests — or register for unlimited access.
curl https://apixies.io/api/v1/format-phone?phone=... \
-H "X-API-Key: YOUR_API_KEY"
Frequently asked questions
What is E.164 format?
E.164 is the international standard for phone numbers: a + sign followed by the country code and subscriber number with no spaces or punctuation. Example: +12125551234. Most APIs and messaging services (Twilio, WhatsApp) require E.164 format.
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