Area Code 312

All Information about Area Code 312

General Information about Area Code 312
Country	United States
State / Province / Territory	Illinois
Major City	Chicago
Time Zone	Central (UTC-06:00)

Active Prefixes in Area Code 312

Prefix	Primary City	County	Phone Type
312-849	Chicago	Cook	Landline
312-255	Chicago	Cook	Landline
312-241	Chicago	Cook	Wireless
312-938	Chicago	Cook	Landline
312-403	Brookfield	Cook	Wireless
312-788	Chicago	Cook	Landline
312-546	Chicago	Cook	Landline
312-465	Chicago	Cook	Landline
312-495	Chicago	Cook	Wireless
312-213	Chicago	Cook	Wireless
312-431	Chicago	Cook	Landline
312-520	Chicago	Cook	Wireless
312-968	Brookfield	Cook	Wireless
312-784	Chicago	Cook	Landline
312-903	Chicago	Cook	Wireless
312-527	Chicago	Cook	Landline
312-247	Chicago	Cook	Landline
312-809	Chicago	Cook	Landline
312-965	Chicago	Cook	Wireless
312-578	Chicago	Cook	Landline

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