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
312-501	Cook	Cell Number	Active
312-502	Cook	Cell Number	Active
312-503	Cook	Landline	Active
312-504	Cook	Cell Number	Active
312-505	Cook	Cell Number	Active
312-506	Cook	Landline	Active
312-507	Cook	Landline	Active
312-508	Cook	Landline	Active
312-509	Cook	Landline	Active
312-510	Dupage	Cell Number	Active
312-512	Cook	Cell Number	Active
312-513	Cook	Cell Number	Active
312-514	Cook	Cell Number	Active
312-515	Cook	Cell Number	Active
312-516	Cook	Landline	Active
312-518	Cook	Cell Number	Active
312-519	Cook	Cell Number	Active
312-520	Cook	Cell Number	Active
312-521	Cook	Landline	Active
312-523	Cook	Cell Number	Active

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