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
312-328	Cook	Landline	Active
312-329	Cook	Landline	Active
312-330	Cook	Cell Number	Active
312-331	Cook	Cell Number	Active
312-332	Cook	Landline	Active
312-333	Cook	Cell Number	Active
312-334	Cook	Landline	Active
312-335	Cook	Landline	Active
312-336	Cook	Landline	Active
312-337	Cook	Landline	Active
312-338	Cook	Landline	Active
312-339	Cook	Cell Number	Active
312-340	Cook	Cell Number	Active
312-341	Cook	Landline	Active
312-342	Cook	Cell Number	Active
312-343	Cook	Cell Number	Active
312-344	Cook	Landline	Active
312-345	Cook	Landline	Active
312-346	Cook	Landline	Active
312-347	Cook	Landline	Active

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