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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 421-450 (of 1286)
Illinois CitiesIllinois Area Codes
Frederick 217
Freeburg 618
Freeman Spur 618
Freeport 815
Fulton 309 or 815
Fults 618
Galatia 618
Galena 779 or 815
Galesburg 217 or 309
Galt 815
Galva 309
Garden Prairie 815
Gardner 815
Gays 217
Geff 618
Geneseo 309
Geneva 331 or 630
Genoa 779 or 815
Georgetown 217
Gerlaw 309
German Valley 815
Germantown 618
Gibson City 217
Gifford 217
Gilberts 847
Gillespie 217 or 618
Gilman 815
Gilson 309
Girard 217
Gladstone 309

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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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