Postal Code Finder
Registry / Japan / Chiba Ken / Asahi Shi / I

I postal code 289-2511

Verified postal identifier in Asahi Shi, Japan. Technical profile with precision geocoding and administrative hierarchy.

Verified data profile for I

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
289-2511
Example code
Postal code Locality Administrative path Coordinates
289-2511 I Chiba Ken / Asahi Shi 35.7233, 140.6686

Related postal lookups

Japan
Country
Prefix 28
Postal code range · 1,167 records
289-2502
Nearby postal code · 1 records
289-2503
Nearby postal code · 1 records
289-2504
Nearby postal code · 1 records
289-2505
Nearby postal code · 1 records
289-2512
Nearby postal code · 1 records
289-2513
Nearby postal code · 1 records

Local postal record details

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/chiba-ken/asahi-shi/i.

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
289-2511
Sample code from I.
Code Place Hierarchy Coordinates
289-2511 I Chiba Ken / Asahi Shi 35.7233, 140.6686
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
Prefix 28
Postal code range · 1,167 records
289-2502
Nearby postal code · 1 records
289-2503
Nearby postal code · 1 records
289-2504
Nearby postal code · 1 records
289-2505
Nearby postal code · 1 records
289-2512
Nearby postal code · 1 records
289-2513
Nearby postal code · 1 records

Data questions

How should I validate 289-2511?

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.

Validation and related lookup paths

Use this page to confirm that 289-2511 belongs to I inside Japan. For applications, validate the original postal code string together with the country and administrative hierarchy instead of relying on a global numeric pattern.

Japan country lookup
Open top regions, formats and downloads.
Prefix 28
Compare nearby postal identifiers.
Chiba Ken
Parent administrative area.
Asahi Shi
Parent administrative area.

Verified Technical Data

Postal Identifier 289-2511
Locality Name I
Administrative L1 Chiba Ken
Administrative L2 Asahi Shi
Spatial Coordinates LAT: 35.7233
LNG: 140.6686

Spatial Verification Map

Centroid Location: The marker represents the verified geographic centroid for the 289-2511 identifier area.

Geographic & Administrative Context

The postal identifier 289-2511 is under the regional jurisdiction of Japan. Within this territory, it is specifically managed as part of the Chiba Ken » Asahi Shi » I administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.

Nearby postal code lookups

Compare 289-2511 with adjacent identifiers in Japan. These links keep the local code range connected without loading a large directory table.

289-2502
Kotoda(Sonota)
289-2503
Egasaki(Sonota)
289-2504
Ni
289-2505
Kamakazu
289-2512
Higashiashiarai
289-2513
Nonaka
289-2514
Shiinauchi
289-2515
Nishiashiarai

Frequently Asked Questions: I postal code guide

What is the postal structure for I?

I is represented in the Japan postal registry with verified coordinates and administrative hierarchy fields.

Can I download postal code data for I?

Yes. The dataset for I can be exported in CSV, Excel and JSON formats from the download section on this page.

Is this postal code geocoded?

Yes. The record includes latitude and longitude coordinates and verified administrative labels for mapping and validation.

How should I validate 289-2511?

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.