JP Japan Major Regions Postal Code Details
🏛️ Saga · Kyushu
844-0021
Arita-cho
847-1400
Genkai-cho
848-0114
Imari-shi
849-0122
Kamimine-cho
842-0000
Kanzaki-shi
847-0061
Karatsu-shi
849-1301
Kashima-shi
841-0202
Kiyama-cho
849-0503
Kohoku-machi
849-0111
Miyaki-cho
849-0306
Ogi-shi
849-2101
Omachi-cho
840-0533
Saga-shi
849-1105
Shiroishi-cho
843-0153
Takeo-shi
846-0003
Taku-shi
849-1612
Tara-cho
841-0017
Tosu-shi
849-1422
Ureshino-shi
842-0034
Yoshinogari-cho
📮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.