Area Code 773 Illinois, USA

WhereCall is here to provide you with the most information on the area code 773, located in Illinois, USA. This area code contains 800 prefixes and is not in jeopardy of exceeding the known supply of central office codes during the planning/implementation interval for relief.

NPA Information
Area Code (NPA) 773
NPA Status Active
Location Illinois, USA
In Jeopardy? No
Is Assigned? Yes
In Service? Yes
In Service Date 12 Oct 1996
Parent NPA 312
Overlay Yes
Overlay Complex 773/872
Predominant Timezone(s) UTC-06:00
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