312 area code

312 is an area code for the state of California, USA. The informations are about the city of Chicago.

Sunday 3 August 2025, week 31 (UTC -4)

Cities served by area code 312

what area code is 312 ? : the area code is for Chicago, Oak Park, Cicero, Berwyn.

Time zone of 312 area code

Central Standard Time
Central Daylight Time
UTC -4

Sunrise and sunset for

Week number

The week number for the 03 August 2025 is 31. This week is 28/07/2025 to 03/08/2025.

Day number

Today is the 215 th day of the year 2025.

Position Chicago (Illinoi),

Position on google maps

United States area codes