In this formulation, language variation can be divided into two categories: dialect, for variation according to user, and diatype for variation according to use (e.g. the specialised language of an academic journal). This definition of diatype is very similar to those of register.
North American area code 602 is a state of Arizona telephone area code that covers most of the city of Phoenix.It was one of the original area codes established in October 1947 and had originally covered the entire state of Arizona until 1995, when area code 520 was created as the state's second area code.he area code divider between 602 and 623 was drawn in such a way that in some neighborhoods, homes only a few hundred feet away from each other may have different area codes.
602 Area Code. The coverage map for area code 602 is pretty simple. It now covers mostly the Phoenix area with some of the suburbs as well. This was not always the case though. At one time, area code 602 covered most of the state of Arizona.Then the 1990s explosive population growth came and the number had to be split and split.Eventually, the 602 coverage map settled on just the Phoenix area.t now covers mostly the Phoenix area with some of the suburbs as well. This was not always the case though. At one time, area code 602 covered most of the state of Arizona. Then the 1990s explosive population growth came and the number had to be split and split.