Postal Code Finder
Registry / Japan / Postal code prefixes / 01 / 018-0400 /

Postal code 018-0400 in Nikaho Shi, Japan

📍 What is My Postal Code?

Postal code 018-0400 covers 1 verified locality record in Japan with interactive boundary centroid map and administrative hierarchy.

Mapped Localities for 018-0400

1 Place
Nikaho Shi
018-0400
Akita Ken · Nikaho Shi
📍 39.2882, 139.9564

Interactive Map: 018-0400 (Japan)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 018-0400.

Nearby postal code lookups in Japan

Compare 018-0400 with adjacent postal codes in the same area or prefix range:

018-0302
Kurokawa
018-0311
Konora
018-0321
Maekawa
018-0322
Otake
018-0401
Ryozenji
018-0402
Hirasawa
018-0403
Mitsumori
018-0404
Serida

Postal code prefix range: 01

Postal code 018-0400 belongs to the 01 prefix district in Japan.

View all 01 postal codes → Japan Directory

Verified data profile for Postal code 018-0400

Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.

1
Records
1
Postal identifiers
100.0%
Geocoded
018-0400
Example code
Postal code Locality Administrative path Coordinates
018-0400 Nikaho Shi Akita Ken / Nikaho Shi 39.2882, 139.9564

Related postal lookups

Japan
Country
Postal code prefixes
Postal code prefixes
Prefix 01
Postal code range · 2,299 records
018-0302
Nearby postal code · 1 records
018-0311
Nearby postal code · 1 records
018-0321
Nearby postal code · 1 records
018-0322
Nearby postal code · 1 records
018-0401
Nearby postal code · 1 records
018-0402
Nearby postal code · 1 records

Postal code validation data

Use this page to validate one postal code or locality against real parent areas, nearby records and downloadable source rows. The canonical route for this record set is /postal-codes/japan/code/0180400.

Records
1
Database rows represented by this canonical route.
Postal identifiers
1
Distinct postal code values available for this page.
Localities
1
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Example
018-0400
Sample code from Nikaho Shi.
Code Place Hierarchy Coordinates
018-0400 Nikaho Shi Akita Ken / Nikaho Shi 39.2882, 139.9564
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
Postal code prefixes
Postal code prefixes
Prefix 01
Postal code range · 2,299 records
018-0302
Nearby postal code · 1 records
018-0311
Nearby postal code · 1 records
018-0321
Nearby postal code · 1 records
018-0322
Nearby postal code · 1 records
018-0401
Nearby postal code · 1 records
018-0402
Nearby postal code · 1 records

Data questions

How should I validate 018-0400?

Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.

What context is available for this record?

The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.