Postal Code Finder
Registry / Japan / Postal code prefixes / 99 / 999-4231 /

Postal code 999-4231 in Kitamachi, Japan

📍 What is My Postal Code?

Postal code 999-4231 covers 1 verified locality record in Japan with interactive boundary centroid map and administrative hierarchy.

Mapped Localities for 999-4231

1 Place
Kitamachi
999-4231
Yamagata Ken · Obanazawa Shi
📍 38.6111, 140.4073

Interactive Map: 999-4231 (Japan)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 999-4231.

Nearby postal code lookups in Japan

Compare 999-4231 with adjacent postal codes in the same area or prefix range:

999-4226
Shimmachichuo
999-4227
Nakamachi
999-4228
Kammachi
999-4229
Yokomachi
999-4232
Fumotomachi
999-4292
Wakabacho
999-4304
Kaminohata(Sonota)
999-4331
Motai

Postal code prefix range: 99

Postal code 999-4231 belongs to the 99 prefix district in Japan.

View all 99 postal codes → Japan Directory

Verified data profile for Postal code 999-4231

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
999-4231
Example code
Postal code Locality Administrative path Coordinates
999-4231 Kitamachi Yamagata Ken / Obanazawa Shi 38.6111, 140.4073

Related postal lookups

Japan
Country
Postal code prefixes
Postal code prefixes
Prefix 99
Postal code range · 2,093 records
999-4226
Nearby postal code · 1 records
999-4227
Nearby postal code · 1 records
999-4228
Nearby postal code · 1 records
999-4229
Nearby postal code · 1 records
999-4232
Nearby postal code · 1 records
999-4292
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/9994231.

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
999-4231
Sample code from Kitamachi.
Code Place Hierarchy Coordinates
999-4231 Kitamachi Yamagata Ken / Obanazawa Shi 38.6111, 140.4073
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 99
Postal code range · 2,093 records
999-4226
Nearby postal code · 1 records
999-4227
Nearby postal code · 1 records
999-4228
Nearby postal code · 1 records
999-4229
Nearby postal code · 1 records
999-4232
Nearby postal code · 1 records
999-4292
Nearby postal code · 1 records

Data questions

How should I validate 999-4231?

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.