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.
Telephone area code 708 covers western and southern Cook County and eastern and southern Will County in the state of Illinois, USA. Area code 708 was split off from area code 312 on November 11, 1989, and once covered all of the suburbs of Chicago.
Then in 1996 portions of area code 708 were split to form area codes 847 and 630. Area code 464, which is not yet in service, has been proposed as an overlay of area code 708. Counties in Illinois within area code 708 include: Cook County, DuPage County and Will County.