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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
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Blog

Info

About
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Contact
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© Copyright 2026 ListPostCode. All rights reserved.

All Postal Codes/United States/Illinois/Great Lakes

Great Lakes Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Great Lakes uses the following postal code.

Coordinates: 42.3032, -87.8642

All Postal Codes/United States/Illinois/Great Lakes

Great Lakes Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Great Lakes uses the following postal code.

Coordinates: 42.3032, -87.8642

Great Lakes - United States Postal Codes