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
312-946	Cook	Landline	Active
312-947	Cook	Landline	Active
312-948	Cook	Landline	Active
312-949	Cook	Landline	Active
312-951	Cook	Landline	Active
312-952	Cook	Cell Number	Active
312-953	Cook	Cell Number	Active
312-954	Cook	Landline	Active
312-955	Cook	Landline	Active
312-957	Cook	Landline	Active
312-960	Cook	Landline	Active
312-961	Cook	Cell Number	Active
312-962	Cook	Landline	Active
312-963	Cook	Cell Number	Active
312-965	Cook	Cell Number	Active
312-968	Cook	Cell Number	Active
312-969	Cook	Cell Number	Active
312-970	Cook	Landline	Active
312-971		Unknown	Active
312-972	Cook	Cell Number	Active

...

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