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Home Countries Continents

Stay Updated

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

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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/Koseki

Koseki Postal Codes

Administrative structure

Level 2: Municipality(市町村)

1Municipalities

2

Municipalities1

Postal code for this area

Koseki uses the following postal code.

Coordinates: 35.546, 140.4487

All Postal Codes/Japan/Chiba Ken/Koseki

Koseki Postal Codes

Administrative structure

Level 2: Municipality(市町村)

1Municipalities

2

Municipalities1

Postal code for this area

Koseki uses the following postal code.

Coordinates: 35.546, 140.4487

Koseki - Japan Postal Codes