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
312-304	Dupage	Cell Number	Active
312-305	Cook	Cell Number	Active
312-306	Cook	Landline	Active
312-307	Cook	Cell Number	Active
312-308	Cook	Landline	Active
312-309	Cook	Landline	Active
312-310	Cook	Cell Number	Active
312-314	Dupage	Cell Number	Active
312-315	Cook	Cell Number	Active
312-316	Cook	Cell Number	Active
312-317	Cook	Cell Number	Active
312-318	Cook	Cell Number	Active
312-320	Cook	Cell Number	Active
312-321	Cook	Landline	Active
312-322	Cook	Landline	Active
312-323	Cook	Cell Number	Active
312-324	Cook	Landline	Active
312-325	Cook	Landline	Active
312-326	Cook	Landline	Active
312-327	Cook	Landline	Active

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