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Registry / Japan / Postal code prefixes / 99 / 999-3784 /

Postal code 999-3784 in Honcho, Japan

📍 What is My Postal Code?

Postal code 999-3784 covers 1 verified locality record in Japan with interactive boundary centroid map and administrative hierarchy.

Mapped Localities for 999-3784

1 Place
Honcho
999-3784
Yamagata Ken · Higashine Shi
📍 38.4416, 140.398

Interactive Map: 999-3784 (Japan)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 999-3784.

Nearby postal code lookups in Japan

Compare 999-3784 with adjacent postal codes in the same area or prefix range:

999-3779
Hanyu Higashi
999-3781
Hommaru Kita
999-3782
Hommaru Higashi
999-3783
Hommaru Minami
999-3785
Hommaru Nishi
999-3786
Saginoshuku
999-3787
Shiromizu
999-3792
Onsencho

Postal code prefix range: 99

Postal code 999-3784 belongs to the 99 prefix district in Japan.

View all 99 postal codes → Japan Directory

Verified data profile for Postal code 999-3784

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
999-3784
Example code
Postal code Locality Administrative path Coordinates
999-3784 Honcho Yamagata Ken / Higashine Shi 38.4416, 140.398

Related postal lookups

Japan
Country
Postal code prefixes
Postal code prefixes
Prefix 99
Postal code range · 2,093 records
999-3779
Nearby postal code · 1 records
999-3781
Nearby postal code · 1 records
999-3782
Nearby postal code · 1 records
999-3783
Nearby postal code · 1 records
999-3785
Nearby postal code · 1 records
999-3786
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/9993784.

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
999-3784
Sample code from Honcho.
Code Place Hierarchy Coordinates
999-3784 Honcho Yamagata Ken / Higashine Shi 38.4416, 140.398
Download postal data
CSV, JSON and XLSX exports for research, validation and data products.
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Implementation notes
Field definitions, canonical paths and practical lookup guidance.

Useful related pages

Japan
Country
Postal code prefixes
Postal code prefixes
Prefix 99
Postal code range · 2,093 records
999-3779
Nearby postal code · 1 records
999-3781
Nearby postal code · 1 records
999-3782
Nearby postal code · 1 records
999-3783
Nearby postal code · 1 records
999-3785
Nearby postal code · 1 records
999-3786
Nearby postal code · 1 records

Data questions

How should I validate 999-3784?

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.