Area Code 618 Illinois, USA

WhereCall is here to provide you with the most information on the area code 618, located in Illinois, USA. This area code contains 723 prefixes and is in jeopardy of exceeding the known supply of central office codes during the planning/implementation interval for relief.


NPA Information
Area Code (NPA) 618
NPA Status Active
Location Illinois, USA
In Jeopardy? Yes
Is Assigned? Yes
Assignment Date 01 Jan 1947
In Service? Yes
In Service Date 01 Jan 1947
Overlay Yes
Overlay Complex 618/730
Predominant Timezone(s) UTC-06:00
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