An Employee ID Number is a unique identifier assigned to each employee within an organization. This number helps the company keep track of employee records, payroll, and benefits. It ensures that all information related to an employee is organized and easily accessible. The Employee ID Number is often used in various systems, such as HR software and payroll systems, to streamline processes. It can also be required for accessing certain company resources, like employee portals or timekeeping systems, ensuring that only authorized personnel can access sensitive information.