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
312-903	Cook	Cell Number	Active
312-904	Cook	Landline	Active
312-905	Cook	Landline	Active
312-906	Cook	Landline	Active
312-907	Cook	Cell Number	Active
312-908	Cook	Landline	Active
312-909	Cook	Cell Number	Active
312-910	Cook	Cell Number	Active
312-912	Cook	Landline	Active
312-913	Cook	Landline	Active
312-914	Cook	Cell Number	Active
312-915	Cook	Landline	Active
312-916	Cook	Cell Number	Active
312-917	Cook	Landline	Active
312-918	Cook	Cell Number	Active
312-919	Cook	Cell Number	Active
312-920	Cook	Landline	Active
312-921	Cook	Landline	Active
312-922	Cook	Landline	Active
312-923	Cook	Landline	Active

...

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