Question 1

What is E.164 format?

Accepted Answer

E.164 is the international standard format for phone numbers. It starts with a + sign, followed by the country code and subscriber number, with no spaces or punctuation. Example: +14155552671

Question 2

Why should I use E.164 format?

Accepted Answer

E.164 is the universal format used by telecommunications systems worldwide. Using it ensures your phone numbers will work correctly across different systems and countries.

Question 3

What's the difference between national and international format?

Accepted Answer

National format is how the number is dialed within the country (e.g., (415) 555-2671 in the US). International format includes the country code with spaces for readability (e.g., +1 415 555 2671).

Question 4

Why can't the tool detect my country?

Accepted Answer

For accurate country detection, include the country code (e.g., +1 for US, +44 for UK). Without it, the tool may not be able to determine the correct country.

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