United States Country Codes

Illinois State Flag

Illinois Area Codes

To call Illinois, dial the following:
Exit Code + 1 + Area Code + The Number

* Do not dial the plus (+) symbols

Illinois Information

The United States country code is 1

The local time in Illinois, United States is (CLICK FOR TIME ZONES)

Get the mobile country codes for Illinois, United States.

Information about Illinois:

Illinois on Wikipedia
The currency of United States is the United States Dollar.
The capital of Illinois is Springfield
Largest Cities in Illinois by population: Chicago, Aurora, Rockford, Joliet, Naperville, Springfield, Peoria, Elgin, Waukegan, Cicero

United States Information:

United States on Wikipedia
The currency of United States is the United States Dollar.
United States is often referred to as US or USA.
The nationality of the United States is American.
The capital of United States is Washington, D.C.
Largest Cities in United States by population: New York, Los Angeles, Chicago, Houston, Philadelphia, Phoenix, San Antonio, San Diego, Dallas, San Jose

United States Emergency Numbers

For an emergency in United States, dial the following numbers:

Medical - 911
Fire - 911
Police - 911

Local Telephone Prefix:

1 is the trunk code for United States

United States Map:

The US country code and Illinois US area code chart below gives you the necessary information for calling American cities. For international dialing codes and detailed dialing instructions to Illinois United States, use our drop down boxes at the top of this page or check out our easy-to-use country code search tool.

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Area Codes 1231-1260 (of 1286)

Illinois Cities	Illinois Area Codes
West Frankfort	618
West Liberty	618
West Point	217
West Salem	618
West Union	217
West York	217 or 618
Westchester	630 or 708
Western Springs	312 or 630 or 708 or 815 or 847
Westfield	217
Westmont	630
Westville	217
Wheaton	630
Wheeler	217 or 618
Wheeling	224 or 847
White Hall	217
White Heath	217
Whittington	618
Williamsfield	309
Williamsville	217
Willisville	618
Willow Hill	618
Willow Springs	708
Willowbrook	630 or 708
Wilmette	847
Wilmington	779 or 815
Wilsonville	217
Winchester	217
Windsor	217
Winfield	630
Winnebago	815

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Telephone Area Codes For Illinois, United States

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