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 1021-1050 (of 1286)

Illinois Cities	Illinois Area Codes
Rutland	815
Sadorus	217
Sailor Springs	618
Saint Anne	815
Saint Augustine	309
Saint Charles	630 or 847
Saint David	309
Saint Elmo	618
Saint Francisville	618
Saint Jacob	618
Saint Joseph	217
Saint Libory	618
Saint Peter	618
Sainte Marie	618
Salem	618
San Jose	217 or 309
Sandoval	618
Sandwich	630 or 779 or 815
Saunemin	815
Savanna	815
Savoy	217
Sawyerville	217
Saybrook	309
Scales Mound	815
Schaumburg	224 or 630 or 708 or 847
Scheller	618
Schiller Park	847
Sciota	309
Scott Air Force Base	618
Scottville	217

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Telephone Area Codes For Illinois, United States

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