The 464 area code serves the southern and western suburbs of Chicago in Illinois.
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Area code 464 covers most of western and southern Cook County and eastern and southern Will County in Illinois.
Area code 464 is an overlay for area code 708. Area code 708 was created in 1989, and area code 464 went into effect on January 21, 2022. Ten-digit dialing is required in this area.
Area code 464 is a general purpose code which was placed in service on January 21, 2022.
Our Illinois phone number lookup service will analyze the three-digit prefix of any 464 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Illinois geographic region, and local calling area associated with the phone number.
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