World Time Zone Map Illinois Area Codes 312

312 Area code

Central Time

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312 is an area code located in the state of Illinois, US. The largest city it serves is Chicago.

Location, time zone and map of the 312 area code

Local time

--:-- CST   

 

Time difference to GMT/UTC

Standard time: UTC/GMT -6:00 hours
No daylight saving time at the moment
 

Daylight Saving Time 2023 (Summer Time)

DST starts on Sunday 12 March 2023, 02:00
DST ends on Sunday 05 November 2023, 02:00

 

Time zone

The 312 area code lies within the Central Time (CT)

CST - Central Standard Time
CDT - Central Daylight Time when daylight saving time is being observed (from mid-March to early November)
 

Location

 

Major cities and communities served by area code 312

Cook County
  • Chicago
  • Schaumburg
  • Wheeling
DuPage County
  • Hinsdale
 
 

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