WhereCall is here to provide you with the most information on the area code 309, located in ILLINOIS.


NPA Information
Area Code (NPA) 309
Location ILLINOIS, UNITED STATES
In Jeopardy? No
Is Assigned? Yes
Assignment Date 01 Jan 1957
In Service? Yes
In Service Date 01 Jan 1957
Overlay No
Predominant Timezone(s) UTC-06:00

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