Phone Number Validator
Validate phone numbers for proper format and international compliance
Phone Number Validation
Enter any phone number format - international (+44), national, or local
Select a country to validate against specific formatting rules
Validation Results
Enter a phone number to validate
Results will appear here
Valid Format Examples
International
+1 (555) 123-4567
US Standard
(555) 123-4567
US Dotted
555.123.4567
US Dashed
555-123-4567
UK
+44 20 7946 0958
Mobile
+44 7911 123456
Bulk Validation
Enter one phone number per line for bulk validation
About Phone Number Validation
What is Phone Number Validation?
Phone number validation verifies that a phone number is properly formatted according to international and national standards. It checks syntax, format, and can identify the carrier and location.
Supported Formats
- International: +1 (555) 123-4567, +44 20 7946 0958
- National: (555) 123-4567, 020 7946 0958
- Local: 555-123-4567, 555.123.4567
- Mobile: +44 7911 123456, +1 555 123 4567
Validation Features
- Format Check: Verifies proper syntax and structure
- Country Detection: Identifies country from country code
- Number Type: Mobile, landline, toll-free, etc.
- Regional Info: Area code and region information
International Standards
- E.164: International public telecommunication numbering plan
- ITU-T: International Telecommunication Union standards
- Country Codes: 1-3 digit country calling codes
- National Numbering: Country-specific formatting rules
Common Issues
- Missing Country Code: International numbers need +
- Wrong Length: Too many or too few digits
- Invalid Characters: Letters or special symbols
- Incorrect Format: Wrong grouping or separators
Best Practices
- International Format: Always include country code
- Consistent Storage: Store numbers in E.164 format
- User Display: Format for local conventions
- Validation: Check before storing or calling