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
312-496 Chicago Cook Landline
312-969 Brookfield Cook Wireless
312-914 Chicago Cook Wireless
312-256 Chicago Cook Landline
312-275 Chicago Cook Landline
312-833 Chicago Cook Wireless
312-934 Chicago Cook Wireless
312-437 Chicago Cook Wireless
312-305 Northbrook Cook Wireless
312-993 Chicago Cook Landline
312-883 Chicago Cook Landline
312-714 Chicago Cook Landline
312-235 Chicago Cook Landline
312-318 Brookfield Cook Wireless
312-384 Chicago Cook Landline
312-829 Chicago Cook Landline
312-994 Chicago Cook Landline
312-899 Chicago Cook Landline
312-855 Chicago Cook Landline
312-979 Chicago Cook Wireless
« 3 4 5 6 7 8 9 10 11 12 13 »