Postal Code Finder
Registry / Japan / Ibaraki Ken

Postal codes of Ibaraki Ken (Japan)

Comprehensive directory for the Ibaraki Ken hub. Our registry indexes 3,163 geocoded administrative entries across 39 distinct provinces.

Verified data profile for Ibaraki Ken

Based on 3,163 records, 3,154 postal code values and 2,583 mapped localities. Coordinate coverage is 100.0%.

3,163
Records
3,154
Postal identifiers
100.0%
Geocoded
300-0000
Example code
Postal code Locality Administrative path Coordinates
300-0000 Tsuchiura Shi Ibaraki Ken / Tsuchiura Shi 36.0918, 140.2061
300-0001 Imaizumi Ibaraki Ken / Tsuchiura Shi 36.1439, 140.1889
300-0002 Awanomachi Ibaraki Ken / Tsuchiura Shi 36.1455, 140.1996
300-0003 Murasakigaoka Ibaraki Ken / Tsuchiura Shi 36.1355, 140.1953
300-0004 Koyamazaki Ibaraki Ken / Tsuchiura Shi 36.1339, 140.1851
300-0005 Nakanuki Ibaraki Ken / Tsuchiura Shi 36.1187, 140.2053

Related postal lookups

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Country · 146,883 records
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Kyoto Fu
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Niigata Ken
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Hyogo Ken
Region · 5,667 records
Osaka Fu
Region · 4,729 records
Fukushima Ken
Region · 4,282 records
Chiba Ken
Region · 4,232 records
Fukuoka Ken
Region · 4,147 records

Administrative area coverage

Use this page to browse the administrative hierarchy, compare representative postal codes and move to related areas without guessing slugs. The canonical route for this record set is /postal-codes/japan/ibaraki-ken.

How to use this lookup

  • Open the strongest child areas first when browsing a large administrative region.
  • Compare related postal prefixes before choosing a local import key.
  • Use the country dataset when you need full coverage beyond the visible sample.
Records
3,163
Database rows represented by this canonical route.
Postal identifiers
3,154
Distinct postal code values in this route.
Localities
2,583
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Detected format
7 digits (NNN-NNNN)
Japanese postal codes use seven digits, commonly formatted with a hyphen after the third digit.
Example
300-0000
Sample code from Tsuchiura Shi.
Browse level
administrative hub
This page connects parent geography, child areas, prefix ranges and downloadable records.
Code Place Hierarchy Coordinates
300-0000 Tsuchiura Shi Ibaraki Ken / Tsuchiura Shi 36.0918, 140.2061
300-0001 Imaizumi Ibaraki Ken / Tsuchiura Shi 36.1439, 140.1889
300-0002 Awanomachi Ibaraki Ken / Tsuchiura Shi 36.1455, 140.1996
300-0003 Murasakigaoka Ibaraki Ken / Tsuchiura Shi 36.1355, 140.1953
300-0004 Koyamazaki Ibaraki Ken / Tsuchiura Shi 36.1339, 140.1851
Download postal data
CSV, JSON and XLSX exports for research, validation and data products.
Use the API
Query postal codes by country, place name, region or code prefix.
Implementation notes
Field definitions, canonical paths and practical lookup guidance.

Useful related pages

Japan
Country · 146,883 records
Hokkaido
Region · 9,436 records
Aichi Ken
Region · 9,253 records
Tokyo To
Region · 8,801 records
Kyoto Fu
Region · 6,925 records
Niigata Ken
Region · 6,051 records
Hyogo Ken
Region · 5,667 records
Osaka Fu
Region · 4,729 records
Fukushima Ken
Region · 4,282 records

Data questions

What does the Ibaraki Ken page cover?

It connects 3,163 postal records in Japan with child areas, related prefixes, examples and download/API paths.

How do I browse nearby areas from Ibaraki Ken?

Use the child-area cards, parent breadcrumbs and related prefix links to move through the canonical hierarchy.

Why are only representative rows visible?

Large administrative pages keep bounded HTML for speed and expose full coverage through dataset exports.

Search Ibaraki Ken postal codes and localities

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Geographic Context

Ibaraki Ken is a key administrative jurisdiction within Japan. Our registry provides a comprehensive overview of its internal divisions, facilitating precise spatial analysis and logistical mapping across its 39 provinces.

Postal code ranges covering Ibaraki Ken

Use these prefix ranges when you know the first digits or letters of a local postal identifier. Each link opens a country-level range with matching localities and coordinates.

All Japan prefixes
30
1,805 records in this hub, 1,802 codes nationwide.
31
1,195 records in this hub, 1,353 codes nationwide.

Navigate Ibaraki Ken provinces

Interactive Navigation: Markers represent geometric administrative centroids. Explore the regional registry by clicking on specific spatial clusters.

Provinces and postal code coverage

Showing top 24 of 39

Download the Ibaraki Ken postal code dataset

Access the complete administrative registry for Ibaraki Ken. Structured datasets available in XLSX, CSV, and JSON formats for immediate integration.

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Verified Scope: Ibaraki Ken Hub • Entities: 3,163 technical records

Frequently Asked Questions: Ibaraki Ken postal code guide

What is the postal structure for Ibaraki Ken?

Ibaraki Ken is represented in the Japan postal registry with verified coordinates and administrative hierarchy fields.

Can I download postal code data for Ibaraki Ken?

Yes. The dataset for Ibaraki Ken can be exported in CSV, Excel and JSON formats from the download section on this page.

How many subdivisions are mapped for Ibaraki Ken?

Ibaraki Ken currently aggregates 39 mapped subdivisions in the public registry.

What does the Ibaraki Ken page cover?

It connects 3,163 postal records in Japan with child areas, related prefixes, examples and download/API paths.

How do I browse nearby areas from Ibaraki Ken?

Use the child-area cards, parent breadcrumbs and related prefix links to move through the canonical hierarchy.