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
312-973	Cook	Landline	Active
312-974	Cook	Landline	Active
312-977	Cook	Landline	Active
312-978	Cook	Cell Number	Active
312-979	Cook	Cell Number	Active
312-980	Cook	Landline	Active
312-981	Cook	Landline	Active
312-983	Cook	Landline	Active
312-984	Cook	Landline	Active
312-985	Cook	Landline	Active
312-986	Cook	Landline	Active
312-987	Cook	Landline	Active
312-988	Cook	Landline	Active
312-990	Dupage	Cell Number	Active
312-991	Cook	Cell Number	Active
312-992	Cook	Landline	Active
312-993	Cook	Landline	Active
312-994	Cook	Landline	Active
312-996	Cook	Landline	Active
312-997	Cook	Landline	Active

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