The Code of Practice for Determining Employment or Self-employment Status of Individuals (pdf) contains criteria which can be used to clarify whether a person is employed or self-employed. In most cases, it is clear whether a person is an employee or not.
The 708 area code belongs to the state of Illinois (IL) and some of the locations covered are Cicero, Oak Park and more:
Most numbers within Area Code 818 are located in the following cities: North Hollywood, Reseda, Sherman Oaks, Winnetka, Burbank, Glendale, Granada Hills, Los Angeles, North Hills, San Fernando, Montrose, Sun Valley, Pacoima, Sunland, Northridge, Agoura Hills, La Canada Flintridge.