A mobile number is a unique sequence of digits assigned to a mobile phone, allowing it to connect to a cellular network. Typically, mobile numbers consist of a country code, area code, and the subscriber's number. They enable users to make calls, send texts, and access the internet on their devices. Mobile numbers are essential for communication in today's digital world. They are used for various purposes, including personal conversations, business interactions, and online services like two-factor authentication. Each mobile number is linked to a specific mobile device, ensuring that calls and messages reach the intended recipient.