Postal Code Finder
Registry / Japan / Postal code prefixes / 38 / 386-0403 /

Postal code 386-0403 in Koshigoe, Japan

📍 What is My Postal Code?

Postal code 386-0403 covers 1 verified locality record in Japan with interactive boundary centroid map and administrative hierarchy.

Mapped Localities for 386-0403

1 Place
Koshigoe
386-0403
Nagano Ken · Ueda Shi
📍 36.302, 138.269

Interactive Map: 386-0403 (Japan)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 386-0403.

Nearby postal code lookups in Japan

Compare 386-0403 with adjacent postal codes in the same area or prefix range:

386-0393
Kakeyuonsen
386-0396
Kakeyuonsen
386-0401
Shiokawa
386-0402
Fujiwarada
386-0404
Kamimaruko
386-0405
Nakamaruko
386-0406
Shimomaruko
386-0407
Nagase

Postal code prefix range: 38

Postal code 386-0403 belongs to the 38 prefix district in Japan.

View all 38 postal codes → Japan Directory

Verified data profile for Postal code 386-0403

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
386-0403
Example code
Postal code Locality Administrative path Coordinates
386-0403 Koshigoe Nagano Ken / Ueda Shi 36.302, 138.269

Related postal lookups

Japan
Country
Postal code prefixes
Postal code prefixes
Prefix 38
Postal code range · 1,222 records
386-0393
Nearby postal code · 1 records
386-0396
Nearby postal code · 1 records
386-0401
Nearby postal code · 1 records
386-0402
Nearby postal code · 1 records
386-0404
Nearby postal code · 1 records
386-0405
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/3860403.

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
386-0403
Sample code from Koshigoe.
Code Place Hierarchy Coordinates
386-0403 Koshigoe Nagano Ken / Ueda Shi 36.302, 138.269
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
386-0393
Nearby postal code · 1 records
386-0396
Nearby postal code · 1 records
386-0401
Nearby postal code · 1 records
386-0402
Nearby postal code · 1 records
386-0404
Nearby postal code · 1 records
386-0405
Nearby postal code · 1 records

Data questions

How should I validate 386-0403?

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.