JP Japan Major Regions Postal Code Details
🏛️ Toyama · Chubu
939-0731
Asahi-machi
930-0281
Funahashi-mura
935-0336
Himi-shi
939-0407
Imizu-shi
930-0384
Kamiichi-machi
938-0179
Kurobe-shi
936-0015
Namerikawa-shi
932-0234
Nanto-shi
939-0651
Nyuzen-machi
932-0855
Oyabe-shi
933-0306
Takaoka-shi
930-0220
Tateyama-machi
932-0314
Tonami-shi
937-0012
Uozu-shi
📮JP Japan Regional Postal Code FAQ & Postal Regulations
🔢 How many digits are in a Japanese postal code?
Japanese postal codes consist of 7 digits in XXX-XXXX format (e.g., 100-8994).
🌍 Are extra markings needed for international mail?
Yes, for mail to Japan, add 'JAPAN' in English on the last address line, while keeping the 7-digit postal code.
❓ How to find an unknown postal code?
Use Japan Post's official postal code search (jp.postcode.com) or Google "住所 郵便番号" + address keywords.
📮 Will a wrong postal code delay delivery?
If the full address is correct, delivery may succeed but will be significantly delayed. Verify codes via Japan Post's address correction system.
🔄 Do postal codes ever change?
Yes, codes may update due to administrative changes. Always refer to the latest annual "Postal Code Directory" by Japan Post.