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
312-524	Cook	Cell Number	Active
312-525	Cook	Landline	Active
312-526	Cook	Landline	Active
312-527	Cook	Landline	Active
312-528	Cook	Landline	Active
312-529	Cook	Landline	Active
312-530	Cook	Cell Number	Active
312-531	Dupage	Cell Number	Active
312-532	Cook	Cell Number	Active
312-533	Cook	Cell Number	Active
312-534	Cook	Landline	Active
312-537	Cook	Landline	Active
312-540	Cook	Landline	Active
312-541	Cook	Landline	Active
312-542	Cook	Landline	Active
312-543	Cook	Cell Number	Active
312-544	Cook	Landline	Active
312-545	Cook	Cell Number	Active
312-546	Cook	Landline	Active
312-547	Cook	Cell Number	Active

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