Postal Code Finder
Registry / Japan / Postal code prefixes / 30 / 300-1257 /

Postal code 300-1257 in Myojin, Japan

📍 What is My Postal Code?

Postal code 300-1257 covers 1 verified locality record in Japan with interactive boundary centroid map and administrative hierarchy.

Mapped Localities for 300-1257

1 Place
Myojin
300-1257
Ibaraki Ken · Tsukuba Shi
📍 35.9872, 140.134

Interactive Map: 300-1257 (Japan)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 300-1257.

Nearby postal code lookups in Japan

Compare 300-1257 with adjacent postal codes in the same area or prefix range:

300-1253
Amaboki
300-1254
Hoyodai
300-1255
Oguki
300-1256
Morinosato
300-1258
Rokuto
300-1259
Inarihara
300-1260
Nishioi
300-1261
Ashibino

Postal code prefix range: 30

Postal code 300-1257 belongs to the 30 prefix district in Japan.

View all 30 postal codes → Japan Directory

Verified data profile for Postal code 300-1257

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
300-1257
Example code
Postal code Locality Administrative path Coordinates
300-1257 Myojin Ibaraki Ken / Tsukuba Shi 35.9872, 140.134

Related postal lookups

Japan
Country
Postal code prefixes
Postal code prefixes
Prefix 30
Postal code range · 1,802 records
300-1253
Nearby postal code · 1 records
300-1254
Nearby postal code · 1 records
300-1255
Nearby postal code · 1 records
300-1256
Nearby postal code · 1 records
300-1258
Nearby postal code · 1 records
300-1259
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/3001257.

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
300-1257
Sample code from Myojin.
Code Place Hierarchy Coordinates
300-1257 Myojin Ibaraki Ken / Tsukuba Shi 35.9872, 140.134
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 30
Postal code range · 1,802 records
300-1253
Nearby postal code · 1 records
300-1254
Nearby postal code · 1 records
300-1255
Nearby postal code · 1 records
300-1256
Nearby postal code · 1 records
300-1258
Nearby postal code · 1 records
300-1259
Nearby postal code · 1 records

Data questions

How should I validate 300-1257?

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.