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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
Currency Converter

Resources

All Postal Codes
Find Post Office
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Blog

Info

About
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Contact
Privacy
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© Copyright 2026 ListPostCode. All rights reserved.

All Postal Codes/United States/Illinois/Ottawa

Ottawa Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Ottawa uses the following postal code.

Coordinates: 41.3526, -88.8416

All Postal Codes/United States/Illinois/Ottawa

Ottawa Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Ottawa uses the following postal code.

Coordinates: 41.3526, -88.8416

Ottawa - United States Postal Codes