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Japan ZIP code and address format

7-digit numeric postal codes, like 154-0023 or 350-1106.

Format
NNN-NNNN
Examples
154-0023 350-1106 951-8073
Address
John Smith, Company Name, 123 Main Street, PREFECTURE, 154-0023

Postal code format in Japan

CalledPostal code
FormatNNN-NNNN N is a digit, A is a letter
Examples154-0023 350-1106 951-8073 112-0001 208-0032 231-0012
Required in an addressYes
Where it goesOn a line of its own
Validation regex^\d{3}-?\d{4}$
Official lookupPostal service search

How to write an address in Japan

John Smith
Company Name
123 Main Street, PREFECTURE
154-0023
JAPAN

Postal codes by city in Japan

More cities

Prefectures of Japan

Questions about Japan postal codes

What is the ZIP code format in Japan?

Japan uses 7-digit numeric postal codes in the format NNN-NNNN (N is a digit, A is a letter), for example 154-0023 or 350-1106.

How do I find the ZIP code of an address in Japan?

Type the address in the search box or click the place on the map. Zipdress shows the full address and its postal code. You can also check the official postal code search of Japan.

How do I write an address in Japan?

Use this order, one part per line: John Smith / Company Name / 123 Main Street, PREFECTURE / 154-0023. The postal code goes on a line of its own.

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