How to format phone numbers in the united states? To format phone numbers in the US, Canada, and other NANP (North American Numbering Plan) countries, enclose the area code in parentheses followed by a space, and then hyphenate the three-digit exchange code with the four-digit number. Recommended: (415) 555-0132What is the best phone number format for international calls? With E.164, the “0” is typically removed, with a “+” and the international country code added before the area code. If you primarily use phone numbers for click-to-dial software integrations and automation, E.164 phone number formatting is almost certainly the best option.How do you format phone numbers in non nanp countries? To format phone numbers in non-NANP countries, include the country and area codes. Separate the groups of numbers with spaces. Insert a plus sign immediately before the country code (no space); the plus sign stands in for a prefix known as an exit code, which lets you dial out of a country.How to validate an international phone number with country code? Validate an international phone number with country code. Now, let's see how to validate a phone number with country code, either in +24-0455-9034, +21.3789.4512 or +23 1256 4587 format.
E.164 is the international telephone numbering plan that ensures each device on the PSTN has globally unique number. This is what allows phone calls and text messages can be correctly routed to individual phones in different countries. E.164 numbers are formatted [+] [country code] [subscriber number including area code] and can have a maximum of fifteen digits.