An international phone number in E.164 format uses this pattern:

[tanjimajuha20]

Use E.164 formatting
The E.164 telephone number format is currently an international standard for formatting telephone numbers that is used worldwide. E.164 was originally developed to provide a standardized and consistent format that would allow machines to use telephone numbers reliably. It has since become the communications standard for various classes of services and software.

The construction o greece telegram f an international E.164 number includes all the information necessary to successfully route a call or SMS message to an individual subscriber on the national public switched telephone network. E.164 is an internationally recognized format that will work with virtually any software and is intended in particular for applications where it is important that these solutions be able to recognize international country codes, area codes, and the actual telephone numbers themselves within a given data string.



Please note the following points:

A telephone number in E.164 format can consist of a maximum of 15 digits.
The first part of the phone number (country code) has from one to three digits.
The second part of the number is the National Destination Code (NDC).
The last part is the subscriber number (SN).
The NDC and SN together are known as the National (Significant) Number.
The E.164 formatting standard does not use spaces, dashes, parentheses, or periods.
Check with phone number analyzer
The Phone Number Parser demo is a piece of software that Google uses to check the formatting of phone numbers on Android phones. It has since been repurposed and is available online as a tool that allows users to check if a phone number is correct or what it should look like in E.164 format.