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.
Area code 707 was created from a split of area code 415. Counties in California within area code 707 include: Del Norte County, Humboldt County, Lake County, Marin County, Mendocino County, Napa County, Solano County, Sonoma County, and Trinity County.