Illinois Zip Codes
Complete directory of postal codes in this region
Location Information
City/Region
Illinois
Languages
- English (United States)
- Spanish (United States)
Illinois Cities
Adams
Alexander
Bond
Boone
Brown
Bureau
Calhoun
Carroll
Cass
Champaign
Christian
Clark
Clay
Clinton
Coles
Cook
Crawford
Cumberland
De Witt
DeKalb
Douglas
DuPage
Edgar
Edwards
Effingham
Fayette
Ford
Franklin
Fulton
Gallatin
Greene
Grundy
Hamilton
Hancock
Hardin
Henderson
Henry
Iroquois
Jackson
Jasper
Jefferson
Jersey
Jo Daviess
Johnson
Kane
Kankakee
Kendall
Knox
Lake
LaSalle
Lawrence
Lee
Livingston
Logan
Macon
Macoupin
Madison
Marion
Marshall
Mason
Massac
McDonough
McHenry
McLean
Menard
Mercer
Monroe
Montgomery
Morgan
Moultrie
Ogle
Peoria
Perry
Piatt
Pike
Pope
Pulaski
Putnam
Randolph
Richland
Rock Island
Saline
Sangamon
Schuyler
Scott
Shelby
St. Clair
Stark
Stephenson
Tazewell
Union
Vermilion
Wabash
Warren
Washington
Wayne
White
Whiteside
Will
Williamson
Winnebago
Woodford
Interactive Map
How to Find a Postal Code
Each administrative division maintains its own postal code for mail delivery purposes. Here are some tips for finding the correct postal code:
- Search for your specific address using our search tool above
- Browse through the list of cities in the table
- Use the interactive map to locate your area
- Contact your local post office for verification
Postal Code Tips
Postal codes may change occasionally. Always verify with official sources before important mailings.
Quick Facts
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Country Code: US
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Capital: Washington
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Currency: Dollar (USD)
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Phone Code: +1
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Timezone: America/Adak (GMT-10)
- America/Anchorage (GMT-9)
- America/Boise (GMT-7)
- America/Chicago (GMT-6)
- America/Denver (GMT-7)
- America/Detroit (GMT-5)
- America/Indiana/Indianapolis (GMT-5)
- America/Indiana/Knox (GMT-6)
- America/Indiana/Marengo (GMT-5)
- America/Indiana/Petersburg (GMT-5)
- America/Indiana/Tell_City (GMT-6)
- America/Indiana/Vevay (GMT-5)
- America/Indiana/Vincennes (GMT-5)
- America/Indiana/Winamac (GMT-5)
- America/Juneau (GMT-9)
- America/Kentucky/Louisville (GMT-5)
- America/Kentucky/Monticello (GMT-5)
- America/Los_Angeles (GMT-8)
- America/Menominee (GMT-6)
- America/Metlakatla (GMT-9)
- America/New_York (GMT-5)
- America/Nome (GMT-9)
- America/North_Dakota/Beulah (GMT-6)
- America/North_Dakota/Center (GMT-6)
- America/North_Dakota/New_Salem (GMT-6)
- America/Phoenix (GMT-7)
- America/Sitka (GMT-9)
- America/Yakutat (GMT-9)
- Pacific/Honolulu (GMT-10)
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Driving Side: Right
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Voltage/Frequency: 120V (60Hz)
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Plug Types:A -
B -
