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
312-873 Chicago Cook Landline
312-798 Chicago Cook Landline
312-543 Chicago Cook Wireless
312-704 Chicago Cook Landline
312-541 Chicago Cook Landline
312-440 Chicago Cook Landline
312-933 Chicago Cook Wireless
312-870 Chicago Cook Landline
312-712 Chicago Cook Landline
312-984 Chicago Cook Landline
312-725 Chicago Cook Landline
312-225 Chicago Cook Landline
312-613 Chicago Cook Wireless
312-445 Chicago Cook Landline
312-915 Chicago Cook Landline
312-693 Chicago Cook Landline
312-441 Chicago Cook Landline
312-978 Chicago Cook Wireless
312-565 Chicago Cook Landline
312-827 Chicago Cook Landline
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