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Registry / Japan / Postal Code prefixes / 30 / 305-0054 /

Postal Code 305-0054 in Nishionuma, Japan

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Postal code 305-0054 covers 1 verified locality record in Japan with interactive boundary centroid map and administrative hierarchy.

VERIFIED QUICK ANSWER & ADDRESS FORMAT 📏 Calculate Distance & Mail Time from 305-0054 →
Province / County / District
Tsukuba Shi
Region & Locality
Nishionuma, Ibaraki Ken (Japan)
📦 How to Write a Mailing Address for 305-0054 
Recipient Name
Street Address / Building No.
305-0054 Nishionuma, Ibaraki Ken
JAPAN

Mapped Localities for 305-0054

1 Place
Nishionuma
305-0054
Ibaraki Ken · Tsukuba Shi
📍 36.0548, 140.1056

Interactive Map: 305-0054 (Japan)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 305-0054.

Nearby postal code lookups in Japan

Compare 305-0054 with adjacent postal codes in the same area or prefix range:

305-0055 📍 0.7 km · 0.4 mi
Kamihara
305-0051 📍 0.8 km · 0.5 mi
Ninomiya
305-0056 📍 0.8 km · 0.5 mi
Matsunoki
305-0068 📍 0.9 km · 0.6 mi
Nakauchi
305-0053 📍 1.2 km · 0.7 mi
Onogawa
305-0067 📍 1.4 km · 0.9 mi
Tateno
305-0052 📍 1.7 km · 1.1 mi
Nagamine
305-0035 📍 2.0 km · 1.2 mi
Matsushiro

Postal code prefix range: 30

Postal code 305-0054 belongs to the 30 prefix district in Japan.

View all 30 postal codes → Japan Directory

Verified data profile for Postal Code 305-0054

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
305-0054
Example code
Postal code Locality Administrative path Coordinates
305-0054 Nishionuma Ibaraki Ken / Tsukuba Shi 36.0548, 140.1056

Related postal lookups

Japan
Country
Postal Code prefixes
Postal code prefixes
Prefix 30
Postal code range · 1,802 records
305-0055
Nearby postal code · 1 records
305-0051
Nearby postal code · 1 records
305-0056
Nearby postal code · 1 records
305-0068
Nearby postal code · 1 records
305-0053
Nearby postal code · 1 records
305-0067
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/3050054.

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
305-0054
Sample code from Nishionuma.
Code Place Hierarchy Coordinates
305-0054 Nishionuma Ibaraki Ken / Tsukuba Shi 36.0548, 140.1056
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
305-0055
Nearby postal code · 1 records
305-0051
Nearby postal code · 1 records
305-0056
Nearby postal code · 1 records
305-0068
Nearby postal code · 1 records
305-0053
Nearby postal code · 1 records
305-0067
Nearby postal code · 1 records

Data questions

How should I validate 305-0054?

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.