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
312-664 Chicago Cook Landline
312-805 Chicago Cook Wireless
312-463 Chicago Cook Landline
312-951 Chicago Cook Landline
312-240 Chicago Cook Landline
312-646 Chicago Cook Landline
312-560 Chicago Cook Wireless
312-308 Chicago Cook Landline
312-492 Chicago Cook Landline
312-420 Chicago Cook Wireless
312-223 Chicago Cook Landline
312-446 Chicago Cook Wireless
312-569 Chicago Cook Landline
312-315 Chicago Cook Wireless
312-526 Chicago Cook Landline
312-819 Chicago Cook Landline
312-347 Chicago Cook Landline
312-866 Chicago Cook Wireless
312-567 Chicago Cook Landline
312-430 Chicago Cook Landline
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