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 121-150 (of 1286)

Illinois Cities	Illinois Area Codes
Bourbonnais	815
Bowen	217
Braceville	815
Bradford	309 or 815
Bradley	815
Braidwood	815
Breese	618
Bridgeport	618
Bridgeview	708
Brighton	618
Brimfield	309
Bristol	630
Broadlands	217
Broadview	708
Brocton	217
Brookfield	312 or 630 or 708 or 815 or 847
Brookport	618
Broughton	618
Browning	217 or 309
Browns	618
Brownstown	618
Brussels	618
Bryant	309
Buckingham	815
Buckley	217 or 815
Buckner	618
Buda	309 or 815
Buffalo	217
Buffalo Grove	312 or 630 or 708 or 847
Buffalo Prairie	309

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Telephone Area Codes For Illinois, United States

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