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The Illinois side of the Chicago area–312/773/872, 708, 847/224, 630/331 and portions of 815/779–is one of the largest local calling areas in the United States; with few exceptions, no long-distance charges are applied from one portion of the metro area to another.
The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2025a of the tz database. [2]
312: Chicago, the central city area including the Chicago Loop and the Near North Side. 618/730: Southern Illinois, including Carbondale and most of the Metro East region of St. Louis suburbs in Illinois. 630/331: West suburbs of Chicago in DuPage County and Kane County including Wheaton, Naperville, and Aurora. Area code 630 was overlaid with ...
Only 555-0100 through 555-0199 are reserved for fictional use. Where used, these are often routed to information services; Canadian telephone companies briefly promoted 555-1313 as a pay-per-use "name that number" reverse lookup during the mid-1990s. [65] Occasionally, valid telephone numbers are used as song titles.
Illinois Bell Telephone Company, LLC is the Bell Operating Company serving Illinois. It is owned by AT&T through AT&T Teleholdings, formerly Ameritech. Their headquarters are at 225 West Randolph St., Chicago, IL. After the 1984 Bell System Divestiture, Illinois Bell became a part of Ameritech, one of the 7 original Regional Bell Operating ...
With the implementation of 872, all local calls in Chicago must be dialed with the full 11-digit phone number (10 digits from cell phones). [ 1 ] The Illinois side of the Chicago area–312/773/872, 708/464 , 847/224 , 630/331 and portions of 815/779 –is one of the largest local calling areas in the United States; with few exceptions, no long ...
WGN America was an American subscription television network that operated from November 9, 1978 to February 28, 2021. The service was originally uplinked to satellite by United Video Inc. as a national feed of Chicago independent station WGN-TV, making the station's programming available to cable and satellite providers throughout the United States as the second nationally distributed ...
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union.