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
312-284	Cook	Landline	Active
312-285	Cook	Cell Number	Active
312-286	Cook	Cell Number	Active
312-287	Cook	Cell Number	Active
312-288	Cook	Landline	Active
312-289	Cook	Cell Number	Active
312-290	Cook	Cell Number	Active
312-291	Cook	Landline	Active
312-292	Cook	Cell Number	Active
312-293	Cook	Landline	Active
312-294	Cook	Landline	Active
312-295	Cook	Cell Number	Active
312-296	Cook	Cell Number	Active
312-297	Cook	Landline	Active
312-298	Cook	Landline	Active
312-299	Cook	Cell Number	Active
312-300	Cook	Landline	Active
312-301	Dupage	Cell Number	Active
312-302	Cook	Landline	Active
312-303	Cook	Cell Number	Active

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