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
Country Map United States Map:
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 301-330 (of 1286)
Illinois CitiesIllinois Area Codes
Dewey 217
Dewitt 217 or 309
Dieterich 217 or 618
Divernon 217
Dix 618
Dixon 815
Dolton 630 or 708
Dongola 618
Donnellson 217
Donovan 815
Dorsey 618
Dover 815
Dow 618
Dowell 618
Downers Grove 331 or 630
Downs 309
Du Bois 618
Du Quoin 618
Dundas 618
Dundee 224 or 847
Dunfermline 309
Dunlap 309
Dupo 618
Durand 815
Dwight 630 or 815
Eagarville 217
Earlville 815
East Alton 618
East Carondelet 618
East Dubuque 815

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Telephone Area Codes For Illinois, United States



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