State Illinois zip codes
Look up all zip codes in the state of Illinois. We provide a full zip code list of all the zip codes, counties and places for the state Illinois.
Zip codes in Illinois by county
The state Illinois has 102 counties. Select one of the Illinois counties below to find a full zip code list, streets and address information of this county.
States near state Illinois
Find zip code and street details of other states near Illinois.
Zip codes in Illinois by city
The state Illinois has 200 cities. Select one of the below cities to get a full zip code list by city in the state Illinois.
Area codes of state Illinois
The state Illinois has 12 area codes / phone codes. For more information of an area code select one below.
Zip code Illinois map
Zip codes of the state Illinois
The state Illinois has 1,382 zip codes. Select a zip code of Illinois to find more details about streets, addresses, population and more.