Main city: Plano
Timezone: Central
Phone type: Landline
Operator: Ameritech Illinois

Plano, a city in Kendall County, Illinois, United States near Aurora, with a population of 10,856 at the 2010 census, nearly doubling its size from the 2000 census. The city grew rapidly, thanks to subdivisions such as Lakewood Springs and several other developments. Warner Bros. decided to use Plano during 2011 for filming the new Superman reboot Man of Steel, released on June 14, 2013. ^source

Area codes 630 and 331 are area codes, under the North American Numbering Plan in the United States, that cover portions of Chicago's near and far western suburbs, including the majority of DuPage County, Illinois. To the northwest, the area codes also cover a small, neighboring portion of Cook County, including parts of Schaumburg, Streamwood and Hanover Park. To the west, Kane County is divided between area codes 847 and 224 in the north, including Elgin, and area codes 630 and 331 in the south, including Aurora. To the south, the northern part of Will County and a small part of southern Cook County, including the village of Burr Ridge and parts of the village of Lemont, are also included in the 630 and 331 area codes. To the southwest, the city of Yorkville, in exurban Kendall County, is included, as well. ^source