Earnings for customer service representatives vary according to level of skill required, experience, training, location, and size of firm. Median annual earnings in the industries employing the largest numbers of these workers in 2002 are shown below:
 

In addition to receiving an hourly wage, full-time customer service representatives who work evenings, nights, weekends, or holidays may receive shift differential pay. Also, because call centers are often open during extended hours, or even 24 hours a day, some customer service representatives have the benefit of being able to work a schedule that does not conform to the traditional workweek. Other benefits can include life and health insurance, pensions, bonuses, employer-provided training, or discounts on the products and services the company offers.