Area Code 312

Area Code 312 information.

Area Code 312 Details
Country	United States
State/Province	Illinois
Major City	Chicago
Time Zone	Central (UTC-06:00)

Area Code 312 Prefixes

Prefix	County	Phone Type	Status
312-679	Cook	Cell Number	Active
312-680	Cook	Cell Number	Active
312-681	Cook	Landline	Active
312-682	Cook	Cell Number	Active
312-683	Cook	Landline	Active
312-685	Cook	Cell Number	Active
312-688	Cook	Cell Number	Active
312-689	Cook	Cell Number	Active
312-690		Unknown	Active
312-691	Cook	Cell Number	Active
312-692	Cook	Landline	Active
312-693	Cook	Landline	Active
312-694	Cook	Landline	Active
312-695	Cook	Landline	Active
312-696	Cook	Landline	Active
312-697	Cook	Landline	Active
312-698	Cook	Landline	Active
312-699	Dupage	Cell Number	Active
312-701	Cook	Landline	Active
312-702	Cook	Landline	Active

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