The validator supports international E.164 format and national formats for major countries including US, UK, Canada, Australia, India, Germany, France, Spain, Italy, Brazil, China, Japan, and many more.

No. This tool validates format and structure only. Verifying if a number is active requires calling or using carrier lookup services.

E.164 is the international standard format for phone numbers. It starts with a plus (+) followed by country code and national number, with no spaces or special characters (e.g., +14155552671).

Yes. The tool identifies carrier type (mobile, landline, or VoIP) based on number patterns for supported countries, though this is not 100% accurate without carrier database access.

Include the country code with a plus sign (+1 for US/Canada, +44 for UK, +91 for India, etc.) or select the country from the dropdown and enter the national format.

Common issues include missing country code, incorrect digit count, invalid area codes, or unsupported country. Check the error message for specific guidance.

National format is how the number appears locally (e.g., (415) 555-2671 in US). International format includes the country code (e.g., +1 415 555 2671 or +14155552671).

Yes. Toll-free numbers (800, 888, etc. in US; 0800 in UK) are recognized and validated according to their country's numbering plan.

No. Number portability means carriers can change, so carrier detection is based on number ranges only and may not reflect current carrier after porting.

Country detection by code is 100% accurate if the country code is present. If no code is entered, it validates against the selected country's format.

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