Happy Zebra > Dialing codes > USA > Illinois > Chicago area code
+1 is the international country code for USA and
312 / 773 / 847 / 224 / 872 / 464 / 708 / 331 / 630 are the area codes for Chicago
Right now it is Mon, 21 May 2012 08:23 PM in Chicago
If you are planning to make a phone call to Chicago - USA, you may need to know its time difference with your location. see the time difference between Chicago and other cities here.
If you are planning a trip to Chicago, You may need to know how far it is. See the distance in kilometers and miles from Chicago to other cities. You can also get the approximate flight duration time from Chicago to other cities.
