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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

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

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Download Printable Postal Codes
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© Copyright 2026 ListPostCode. All rights reserved.

All Postal Codes/Japan/Chiba Ken/Onuma

Onuma Postal Codes

Administrative structure

Level 2: Municipality(市町村)

1Municipalities

2

Municipalities1

Postal code for this area

Onuma uses the following postal code.

Coordinates: 35.5303, 140.4127

All Postal Codes/Japan/Chiba Ken/Onuma

Onuma Postal Codes

Administrative structure

Level 2: Municipality(市町村)

1Municipalities

2

Municipalities1

Postal code for this area

Onuma uses the following postal code.

Coordinates: 35.5303, 140.4127

Onuma - Japan Postal Codes