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ListPostCode
HomeCountriesContinents
ToolsBlog

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

ListPostCode

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

  • ATM Finder
  • Download Printable Postal Codes
  • Postcode Widget Generator
  • Post Office Finder
  • Currency Converter

Resources

  • All Postal Codes
  • Find Post Office
  • Maps
  • Countries
  • Blog

Info

  • About
  • Advertise with us
  • Contact
  • Privacy
  • Terms

© Copyright 2026 ListPostCode. All rights reserved.

  1. Home
  2. United States
  3. Illinois
—

State · United States

Illinois Postal Codes

—1286 counties

Browse all 1286 counties in Illinois. Find postal codes and location information.

—

Postal prefix

1286

Counties

Understanding postal codes in Illinois

Postal code format varies by country (often 4–6 digits; some use alphanumeric).

Showing 1,009 to 1,056 of 1,286 counties

Browse by Counties

Select a county to explore postal codes.

  • Prairie Du Rocher

    62277

  • Red Bud

    62278

  • Rockwood

    62280

  • Sparta

    62286

  • Steeleville

    62288

  • Tilden

    62292

  • Walsh

    62297

  • Calhoun

    62419

  • Claremont

    62421

  • Dundas

    62425

  • Olney

    62450

  • Parkersburg

    62452

  • Noble

    62868

  • Rock Island

    61201

  • Andalusia

    61232

  • Barstow

    61236

  • Buffalo Prairie

    61237

  • Carbon Cliff

    61239

  • Coal Valley

    61240

  • Cordova

    61242

  • East Moline

    61244

  • Hampton

    61256

  • Hillsdale

    61257

  • Illinois City

    61259

  • Milan

    61264

  • Moline

    61265

  • Port Byron

    61275

  • Rapids City

    61278

  • Reynolds

    61279

  • Silvis

    61282

  • Taylor Ridge

    61284

  • Lovejoy

    62059

  • National Stock Yards

    62071

  • East Saint Louis

    62201

  • Fairview Heights

    62208

  • Belleville

    62220

  • Scott Air Force Base

    62225

  • Caseyville

    62232

  • Dupo

    62239

  • East Carondelet

    62240

  • Freeburg

    62243

  • Lebanon

    62254

  • Lenzburg

    62255

  • Marissa

    62257

  • Mascoutah

    62258

  • Millstadt

    62260

  • New Athens

    62264

  • O Fallon

    62269

121222327

Quick links

All States in United States
  1. Home
  2. United States
  3. Illinois
—

State · United States

Illinois Postal Codes

—1286 counties

Browse all 1286 counties in Illinois. Find postal codes and location information.

—

Postal prefix

1286

Counties

Understanding postal codes in Illinois

Postal code format varies by country (often 4–6 digits; some use alphanumeric).

Showing 1,009 to 1,056 of 1,286 counties

Browse by Counties

Select a county to explore postal codes.

  • Prairie Du Rocher

    62277

  • Red Bud

    62278

  • Rockwood

    62280

  • Sparta

    62286

  • Steeleville

    62288

  • Tilden

    62292

  • Walsh

    62297

  • Calhoun

    62419

  • Claremont

    62421

  • Dundas

    62425

  • Olney

    62450

  • Parkersburg

    62452

  • Noble

    62868

  • Rock Island

    61201

  • Andalusia

    61232

  • Barstow

    61236

  • Buffalo Prairie

    61237

  • Carbon Cliff

    61239

  • Coal Valley

    61240

  • Cordova

    61242

  • East Moline

    61244

  • Hampton

    61256

  • Hillsdale

    61257

  • Illinois City

    61259

  • Milan

    61264

  • Moline

    61265

  • Port Byron

    61275

  • Rapids City

    61278

  • Reynolds

    61279

  • Silvis

    61282

  • Taylor Ridge

    61284

  • Lovejoy

    62059

  • National Stock Yards

    62071

  • East Saint Louis

    62201

  • Fairview Heights

    62208

  • Belleville

    62220

  • Scott Air Force Base

    62225

  • Caseyville

    62232

  • Dupo

    62239

  • East Carondelet

    62240

  • Freeburg

    62243

  • Lebanon

    62254

  • Lenzburg

    62255

  • Marissa

    62257

  • Mascoutah

    62258

  • Millstadt

    62260

  • New Athens

    62264

  • O Fallon

    62269

121222327

Quick links

All States in United States