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 931-960 (of 1286)

Illinois Cities	Illinois Area Codes
Philo	217
Piasa	618
Pierron	618
Pinckneyville	608 or 618
Piper City	815
Pittsburg	618
Pittsfield	217
Plainfield	630 or 815
Plainville	217
Plano	630 or 815
Plato Center	847
Pleasant Hill	217
Pleasant Plains	217
Plymouth	217 or 309
Pocahontas	618
Polo	779 or 815
Pomona	618
Pontiac	815
Poplar Grove	815
Port Byron	309
Posen	708
Potomac	217
Prairie City	309
Prairie Du Rocher	618
Preemption	309
Princeton	815
Princeville	309
Prophetstown	309 or 815
Prospect Heights	312 or 630 or 708 or 847
Pulaski	618

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Telephone Area Codes For Illinois, United States

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