Area codes in Illinois | List of phone codes for IL state

Illinois is one of 50 states in USA, where a lot of different area codes are used. Exact quantity of them depends on the population as well as on demand of phone numbers. That’s why the list of area codes is unique for each geographic area. Illinois (IL) is not an exception.

What is area code of Illinois?

Area codes are not generated specifically for one state or city. They belong to different geographic areas within the state. That is the reason why IL doesn’t have its own area code. Instead of it there is some list of Illinois’s area codes which includes all those codes that are located in the state.

What are the area codes in Illinois? All in one list

Here are the area codes which belong to Illinois and used as 3-digit prefixes in IL phone numbers:

217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 773, 779, 815, 847, 872

How to call to Illinois?

To complete a call, you will need to dial telephone number in such order:

  • +1 — country code for USA;
  • Illinois code area (one of these: 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 773, 779, 815, 847, 872)
  • Other digits of the phone number.

For international calls it is required to enter the country code with additional digits depending on what country you’re calling from.

Some businesses or people from Illinois might also have phone numbers which contain toll free codes. In this case area codes in Illinois, which are listed above, are not needed. Toll free numbers actually replace them, but do not apply to a specific location.

Haven’t you sent any parcel or mail to Illinois? You can track it here by our package tracker.

What’s the time in Illinois?

Firstly, let’s discover time zone in Illinois. The cities in this state belong to America/Chicago time zone. For more information such as the date and the exact time in IL, see the table below:

The state of Illinois on the map

Where is the state of Illinois situated? See its location on the US map below:

If you would like to check the area codes of exact city in Illinois with more details, we recommend to search them in our “Area code lookup by cities”.

To search all area codes in other states, please check here – “All area codes in USA

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