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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


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:

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 511-540 (of 1286)
Illinois CitiesIllinois Area Codes
Havana 309
Hazel Crest 708
Hebron 815
Hecker 618
Henderson 309
Hennepin 815
Henning 217
Henry 309
Herod 618
Herrick 217 or 618
Herrin 618
Herscher 815
Hettick 217 or 618
Heyworth 309
Hickory Hills 708
Hidalgo 618
Highland 618
Highland Park 847
Highwood 847
Hillsboro 217
Hillsdale 309
Hillside 708
Hillview 217
Hinckley 815
Hindsboro 217
Hines 708
Hinsdale 630 or 708
Hoffman 618
Hoffman Estates 847
Holcomb 815

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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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