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.
Area codes 601 and 769 are the telephone area codes for central Mississippi.The main area code, 601, was one of the original area codes implemented in 1947, and served all of Mississippi.n 1997, the far southwestern portion tip of the state, including Biloxi and the Gulf Coast, was split off as area code 228. In 1999, area code 662 was created in the northern half of Mississippi, including the Mississippi side of the Memphis area.