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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

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Illinois Information

World Time Zones The United States country code is 1
World Time Zones The local time in Illinois, United States is (CLICK FOR TIME ZONES)
Mobile Country Codes for Illinois Get the mobile country codes for Illinois, United States.
State Information 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
Country Information 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 United States Emergency Numbers
For an emergency in United States, dial the following numbers:
Medical - 911
Fire - 911
Police - 911
Local Telephone Prefix Local Telephone Prefix:
1 is the trunk code for United States
Calling cards More ways to call Illinois United States:
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Area Code Map of Illinois
Illinois area code 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 151-180 (of 1286)
Illinois CitiesIllinois Area Codes
Bulpitt 217
Buncombe 618
Bunker Hill 618
Burbank 708
Bureau 815
Burlington 847
Burnt Prairie 618
Bushnell 309
Butler 217
Byron 815
Cabery 815
Cairo 618
Caledonia 815
Calhoun 618
Calumet City 708
Camargo 217
Cambria 618
Cambridge 309
Camden 217
Cameron 309
Camp Grove 309
Camp Point 217
Campbell Hill 618
Campus 815
Canton 309
Cantrall 217
Capron 815
Carbon Cliff 309
Carbondale 618
Carlinville 217 or 618

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Telephone Area Codes For Illinois, United States


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We hope that our Country Calling Codes quick reference international phonebook has helped you to find the Illinois United States country code and make your international call. Don't forget to share our US phone book with your friends and bookmark it to help with all of your future international calls!

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