📌Oak Brook, IL
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Area code 773-424 is assigned to Oak Brook, IL.
Main city: Oak Brook
Timezone: Central
Phone type: Landline
Operator: Teleport Communications Group - Chicago
Oak Brook, a village in DuPage County in Illinois. The village ranks among the wealthiest in Illinois and the United States. The population was 7,883 at the 2010 census. A suburb of Chicago, it is home to the headquarters of several notable companies and organizations including McDonald's, Ace Hardware, Blistex, Federal Signal, CenterPoint Properties, Sanford L.P. and Lions Clubs International. source
Area code 773 went into effect in the city of Chicago, Illinois, on October 12, 1996, with a brief grace period that ended on January 11, 1997. The area code covers the city, excluding the downtown core. source
Timezone: Central
Phone type: Landline
Operator: Teleport Communications Group - Chicago
Oak Brook, a village in DuPage County in Illinois. The village ranks among the wealthiest in Illinois and the United States. The population was 7,883 at the 2010 census. A suburb of Chicago, it is home to the headquarters of several notable companies and organizations including McDonald's, Ace Hardware, Blistex, Federal Signal, CenterPoint Properties, Sanford L.P. and Lions Clubs International. source
Area code 773 went into effect in the city of Chicago, Illinois, on October 12, 1996, with a brief grace period that ended on January 11, 1997. The area code covers the city, excluding the downtown core. source
Phone number full length is 10 digits: (773) 424-xxxx
International format length is 11 digits: +1 (773) 424-xxxx
Number can be also written as: 773-424, 773424, +1-773-424
Most requested numbers in the neighborhood:
773-424-5755, 773-424-9250, 773-424-6170, 773-424-8320, 773-424-2663