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Area code 847 exhausted its numbers quickly, so that an overlay area code, 224, was implemented in 1996 for relief. However, mandatory ten-digit dialing was not in effect until 2002. 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 ...
Illinois Route 9 (IL 9) is a 218.31-mile-long (351.34 km) cross-state, east–west rural state highway in the central part of the U.S. state of Illinois.It travels from Niota at the Fort Madison Toll Bridge, that crosses the Mississippi River into Iowa, eastward across central Illinois to State Road 26 (SR 26) at the Indiana state line.
Pages in category "Area codes in Illinois" The following 12 pages are in this category, out of 12 total. ... 0–9. Area codes 217 and 447; Area codes 309 and 861 ...
Serves Chicago; Formerly designated as City US Route 20 City US 30 — — — — 1959: 1960 Served Aurora: US 30 Bus. — — — — 1960: 1970 Served Aurora; Formerly designated as City US Route 30 US 30 Toll — — Aurora: Ford Heights — — US 30 Alt. — — — — 1942: 1971 Served Chicago; Formerly designated as US Route 330 US 40 ...
It was the only new area code created in Illinois between 1947 and the 1989 creation of area code 708. On October 24, 2021, area code 309 was transitioned to ten-digit dialing, despite not being part of an overlay complex, in which multiple area codes are assigned to a numbering plan area. The area code had telephone numbers assigned for the ...
SBI Route numbers that were superseded by other routes, US or state routes were often reused. For example, SBI Route 61 was originally assigned to a road segment in northeastern Illinois, but was reassigned to a route in western Illinois, sometime after 1937. Illinois Route 72 cross-sign mounted on a stoplight in Hoffman Estates
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These highways are maintained by the Illinois Department of Transportation (IDOT), with the exception of Illinois Route 390 and parts of Illinois Route 56 and Illinois Route 110, which are maintained by the Illinois State Toll Highway Authority (ISTHA), and all routes that enter the Chicago City Limits are maintained by the Chicago Department ...