Different states and cities in the United States have different area codes. What digits you need to enter when dialing a phone number in Chicago, IL, you can read below.
Do you want to know more about area codes? Let’s read our article “What is an area code? Definition & Meaning”.
What is the area code in Chicago?
Phone numbers in Chicago can start with the following area codes
By these digits a caller can identify exact geographic area, where he calls to. It is very important, especially for long distance calls. Incorrect area code entry can lead to the fact that you call to another city or state, and the call will be received by a completely different person.
To find any another area code you can check 3-digit codes with the help of our Lookup by area codes or use the reverse Area codes searcher by cities, where the name of city is only needed.
How to call to Chicago?
As phone numbers in Chicago, Illinois might start with different digits, it means that you should dial a phone number in such a way:
- Country code (+1 for US phone numbers).
- Area code for Chicago (one of these: 312, 773, 872).
- Other 7 numbers XXX-XXXX.
Some of big cities also have more than one area code, for example New York area codes, which are represented as list of 7 different area codes.
List of popular area codes by city:
States with the most area codes:
- Texas area codes;
- New York area codes;
- California area codes;
- Florida area codes;
- Illinois area codes;
- Ohio area codes;
- Pennsylvania area codes;
- Michigan area codes;
- other area codes in USA.
All Area Codes in Chicago
To avoid confusion, we have collected all Chicago area codes on this page, and here they are: 312, 773, 872. It does not mean that you can enter any of these area codes to call Chicago. It only means that there are subscribers with different codes in this location.
What times is it in Chicago?
If you need to call to Chicago, it will be useful to know local time there. Current Chicago time and date, as well as all detailed information about it you can see in form below:
What is the time zone in Chicago?
Chicago, as the other cities in USA, belongs to one of nine time zones, where the different time is legally established. Eastern, Central, Mountain and Pacific time zones are used in the contiguous US. In addition to them, there are 5 more time zones, which determine the time for states beyond the contiguous US and US territories.
To know what time zone Chicago belongs to look at the United States Time Zone Map.
If you’d like not only to call to Chicago but also to send mail or parcel to this city, you might need to know your ZIP Code as a sender and ZIP codes, which are used there.
You could check it all here: “What is my ZIP Code” and “ZIP Codes’ Lookup“
What area codes are used inIllinois and other states? See the whole list here — “All area codes in the United States of America”.