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Area code 773 serves Chicago, Illinois, outside the Chicago Loop and the innermost neighborhoods. At first, all of Chicago and its suburbs used area code 312. In 1989, area code 708 was created for the suburbs, leaving the city in area code 312. By the mid-1990s, Chicago's continued growth and the spread of cell phones and pagers made it ...
Area code lookup for US cities and an area codes locator to find the location of area codes. Complete area code list for the US and Canada ... 618, 630, 708, 773, 779 ...
The 773 area code is located in the Central Time Zone in the United States. This time zone is 6 hours behind Coordinated Universal Time (UTC-6). It encompasses a large portion of the Midwest, including the city of Chicago, Illinois. The Central Time Zone is shared with several other states, including Texas, Oklahoma, and Minnesota.
