Postal Code Finder
Registry / Japan / Postal code prefixes / 38 / 381-3165 /

Postal code 381-3165 in Naniaiko, Japan

📍 What is My Postal Code?

Postal code 381-3165 covers 1 verified locality record in Japan with interactive boundary centroid map and administrative hierarchy.

Mapped Localities for 381-3165

1 Place
Naniaiko
381-3165
Nagano Ken · Nagano Shi
📍 36.6124, 138.0336

Interactive Map: 381-3165 (Japan)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 381-3165.

Nearby postal code lookups in Japan

Compare 381-3165 with adjacent postal codes in the same area or prefix range:

381-3161
Naniaitei
381-3162
Naniaibo
381-3163
Naniaiki
381-3164
Naniaiotsu
381-3166
Naniaihei
381-3201
Nakajo Hidaka
381-3202
Nakajo Kusagano
381-3203
Nakajo

Postal code prefix range: 38

Postal code 381-3165 belongs to the 38 prefix district in Japan.

View all 38 postal codes → Japan Directory

Verified data profile for Postal code 381-3165

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
381-3165
Example code
Postal code Locality Administrative path Coordinates
381-3165 Naniaiko Nagano Ken / Nagano Shi 36.6124, 138.0336

Related postal lookups

Japan
Country
Postal code prefixes
Postal code prefixes
Prefix 38
Postal code range · 1,222 records
381-3161
Nearby postal code · 1 records
381-3162
Nearby postal code · 1 records
381-3163
Nearby postal code · 1 records
381-3164
Nearby postal code · 1 records
381-3166
Nearby postal code · 1 records
381-3201
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/3813165.

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
381-3165
Sample code from Naniaiko.
Code Place Hierarchy Coordinates
381-3165 Naniaiko Nagano Ken / Nagano Shi 36.6124, 138.0336
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 38
Postal code range · 1,222 records
381-3161
Nearby postal code · 1 records
381-3162
Nearby postal code · 1 records
381-3163
Nearby postal code · 1 records
381-3164
Nearby postal code · 1 records
381-3166
Nearby postal code · 1 records
381-3201
Nearby postal code · 1 records

Data questions

How should I validate 381-3165?

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.