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Home Countries Continents

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.

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
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Resources

All Postal Codes
Find Post Office
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Blog

Info

About
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Contact
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Terms

© Copyright 2026 ListPostCode. All rights reserved.

All Postal Codes/United States/Illinois/Illinois City

Illinois City Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Illinois City uses the following postal code.

Coordinates: 41.3892, -90.8925

All Postal Codes/United States/Illinois/Illinois City

Illinois City Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Illinois City uses the following postal code.

Coordinates: 41.3892, -90.8925

Illinois City - United States Postal Codes