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:
area code 718 was put into service area code 718 was created from a split of area code 212 in 1999 area code 718 was overlaid with area code 347counties in new york within area code 718 include bronx county kings county queens county and richmond countyrea code 718 was put into service area code 718 was created from a split of area code 212 in 1999 area code 718 was overlaid with area code 347