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
312-455	Cook	Landline	Active
312-456	Cook	Landline	Active
312-457	Cook	Cell Number	Active
312-458	Cook	Landline	Active
312-459	Cook	Cell Number	Active
312-460	Cook	Landline	Active
312-461	Cook	Landline	Active
312-462	Cook	Landline	Active
312-463	Cook	Landline	Active
312-464	Cook	Landline	Active
312-465	Cook	Landline	Active
312-466	Cook	Landline	Active
312-467	Cook	Landline	Active
312-469	Cook	Landline	Active
312-470	Cook	Landline	Active
312-472	Cook	Landline	Active
312-473	Cook	Landline	Active
312-474	Cook	Landline	Active
312-475	Cook	Landline	Active
312-476	Cook	Landline	Active

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