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
312-348	Cook	Landline	Active
312-349	Cook	Cell Number	Active
312-350	Cook	Cell Number	Active
312-351	Cook	Cell Number	Active
312-352	Dupage	Cell Number	Active
312-353	Cook	Landline	Active
312-354	Dupage	Cell Number	Active
312-355	Cook	Landline	Active
312-356	Cook	Landline	Active
312-357	Cook	Landline	Active
312-359	Cook	Cell Number	Active
312-360	Cook	Landline	Active
312-361	Cook	Landline	Active
312-362	Cook	Landline	Active
312-363	Cook	Landline	Active
312-364	Cook	Landline	Active
312-365	Cook	Cell Number	Active
312-366	Cook	Cell Number	Active
312-367	Cook	Cell Number	Active
312-368	Cook	Landline	Active

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