1
What is E.164 format?
E.164 is the standard-looking international phone format used by many APIs and communication tools. It starts with a plus sign, then the country calling code, then the national subscriber number without spaces or decorative characters.
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Examples of clean international numbers
Examples include +8801732989079 for Bangladesh, +919876543210 for India, +447400123456 for the United Kingdom, +14165551234 for Canada, and +971501234567 for the United Arab Emirates.
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Common formatting mistakes
The most common mistakes are keeping the local leading zero after adding the country code, mixing two country codes, leaving brackets or extension text inside the number, or choosing the wrong country for shared dial codes.