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In March 2007, an overlay plan was created for NPA 630 adding area code 331, and 779 was added to 815. With the depletion of new numbers in area codes 312 and 773, an overlay of both of them, area code 872, was created in November 2009, beginning ten-digit dialing within the city limits of Chicago. The remaining area without an overlay in the ...
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 proliferation of cell phones and pagers made it apparent that the city needed a new area code. It was decided to split off all of the city outside the downtown area as 773. The new area code went into ...
As a result, the city of Chicago was divided into two area codes, 312 and 773. Rather than divide the city by a north–south area code, the central business district retained the 312 area code, while the remainder of the city took the new 773 code. In 2002, the 847 area code was supplemented with the overlay area code 224.
The numbering plan area is completely surrounded by area code 773, which serves the rest of Chicago. Both area codes form an overlay complex with area code 872. 312 is an enclave area code, and is roughly bounded by North Avenue on the north, Western Avenue on the west, and 35th Street on the south, with Lake Michigan to the east. In terms of ...
Federal safety officials investigating a Chicago commuter train crash that injured nearly 40 people when it slammed into snow-removal equipment are focusing on a “design problem” with its ...
What exactly does Chicago's (allegedly) "diverse and vibrant neighborhoods" have to do with the 773 area code? That section (and arguably this whole article) needs to be rewritten. --205.141.247.28 19:20, 12 February 2008 (UTC) This was done on 2008-04-21.Pknkly 08:03, 29 April 2009 (UTC)
Area codes 708 and 464; Area code 773; Area codes 815 and 779; Area codes 847 and 224; Area code 872 This page was last edited on 24 December 2023, at 10:16 (UTC ...
The numbering plan area (NPA) comprises the northeastern part of Illinois and many northern suburbs of Chicago. This includes most of Lake County, the northern part of Cook County, the northern part of Kane County, and a small part of McHenry County. Area code 847 was created on January 20, 1996, in a three-way split of area code 708.