Postal Code 300-0621 - Aba, Ibaraki Ken, Japan
Postal Code: 300-0621
Postal System Details
Postal Authority
Japan Post
Postal System
Seven-digit postal code (XXX-XXXX)
Region Structure
Prefecture → City/Ward → District → Block
Area Information
The postal code 300-0621 belongs to Japan’s seven-digit postal system, designed and operated under the standards of Japan Post, the country’s official postal authority. Japanese postal codes use the structure X X X–X X X X, such as 1 0 0–X X X X (example only). The first three digits designate the broader delivery region, while the last four digits identify specific districts or block-level routing zones. This code corresponds to Aba in the Ibaraki Ken prefecture, positioned near latitude 35.9526 and longitude 140.3822. Routing follows Prefecture → City/Ward → District → Block. General example: - Prefecture: Ibaraki Ken - City/Ward: (Example: Central Ward Division) - District: Aba - Block Route: Defined by last four digits This page reflects routing patterns used by Japan Post. Examples are illustrative only. Check that the ward and district match Aba, Ibaraki Ken, Japan for accurate delivery.
Country:
Japan
State:
Ibaraki Ken
Area:
Aba
Postal Code:
300-0621
Latitude:
35.9526
Longitude:
140.3822
Frequently Asked Questions
1. What does 300-0621 represent in Japan?
It defines the block-level delivery zone assigned to Aba in Ibaraki Ken.
2. How are Japanese postal codes structured?
They use the format XXX-XXXX, identifying regional and block-level delivery points.
3. Can 300-0621 be used for address verification?
Yes, if city/ward and district match Aba, Ibaraki Ken.
4. Which authority manages postal codes in Japan?
Japan Post manages postal routing and assignment nationwide.