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
312-828	Cook	Landline	Active
312-829	Cook	Landline	Active
312-830	Cook	Cell Number	Active
312-831	Cook	Landline	Active
312-832	Cook	Landline	Active
312-833	Cook	Cell Number	Active
312-834	Cook	Landline	Active
312-835	Cook	Cell Number	Active
312-836	Cook	Landline	Active
312-839	Cook	Cell Number	Active
312-840	Cook	Landline	Active
312-841	Cook	Cell Number	Active
312-842	Cook	Landline	Active
312-843	Cook	Landline	Active
312-844	Dupage	Cell Number	Active
312-845	Cook	Landline	Active
312-846	Cook	Landline	Active
312-848	Cook	Cell Number	Active
312-849	Cook	Landline	Active
312-850	Cook	Landline	Active

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