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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 northern part of Illinois, 708, eventually received such with area code 464 taking effect on January 21 ...
Periodic proposals were made for code relief, and area code 730 was designated for an overlay complex. Implementation was completed with an in-service date of July 7, 2023, resulting in all Illinois area codes being overlay codes. [4] Prior to October 2021, area code 618 had telephone numbers assigned for the central office code 988.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Area_code_617&oldid=276068315"
The 618 area code dates to 1947. ... No longer just ‘the 618,’ southern Illinois is scheduled for a new area code. December 7, 2022 at 4:02 PM. Illinois Commerce Commission.
Jo Daviess County (/ ˈdeɪvɪs /) is the northwesternmost county in the U.S. state of Illinois. According to the 2020 census, it had a population of 22,035. [1] Its county seat is Galena. [2] Jo Daviess County is part of the Tri-State Area and is located near Dubuque, Iowa and Platteville, Wisconsin. As part of the Driftless Area, Jo Daviess ...
The largest by land area is McLean County, while the smallest is Putnam County. Illinois's FIPS state code is 17 and its postal abbreviation is IL. What is now Illinois was claimed as part of Illinois County, Virginia, between 1778 and 1782. Modern-day county formation dates to 1790 when the area was part of the Northwest Territory; two ...
This makes the fastest-dialing area code 212 (5 total clicks), followed by 312 and 213 (6 clicks). The area code 605 is much slower than these at 21 clicks. Many large US cities generally had fast-dialing area codes with the middle digit 1. Touch-tone dialing, introduced later, eliminated the wait.
In 2006, the Illinois Commerce Commission approved an all-services overlay for the numbering plan area, adding new area code 447 in 2021. [ 3 ] [ 4 ] As of March 27, 2021, new central office codes are available for activation by service providers.