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
312-658	Cook	Landline	Active
312-659	Cook	Cell Number	Active
312-660	Cook	Landline	Active
312-661	Cook	Landline	Active
312-662	Cook	Landline	Active
312-663	Cook	Landline	Active
312-664	Cook	Landline	Active
312-665	Cook	Landline	Active
312-666	Cook	Landline	Active
312-667	Cook	Landline	Active
312-669	Cook	Landline	Active
312-670	Cook	Landline	Active
312-671	Cook	Cell Number	Active
312-672	Cook	Landline	Active
312-673	Cook	Landline	Active
312-674	Cook	Landline	Active
312-675	Cook	Landline	Active
312-676	Cook	Landline	Active
312-677	Cook	Cell Number	Active
312-678	Cook	Cell Number	Active

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