JP Japan Major Regions Postal Code Details
🏛️ Kochi · Shikoku
784-0064
Aki-shi
781-5701
Geisei-mura
781-2153
Hidaka-mura
781-2102
Ino-cho
781-4236
Kami-shi
781-6460
Kitagawa-mura
780-0054
Kochi-shi
781-5232
Konan-shi
789-1912
Kuroshio-cho
787-0815
Mihara-mura
781-3605
Motoyama-cho
781-7107
Muroto-shi
781-6400
Nahari-cho
789-1416
Nakatosa-cho
783-0058
Nankoku-shi
781-1752
Niyodogawa-cho
781-1322
Ochi-cho
781-3714
Okawa-mura
789-0241
Otoyo-cho
788-0353
Otsuki-cho
789-1215
Sakawa-cho
786-0052
Shimanto-cho
787-0772
Shimanto-shi
788-0009
Sukumo-shi
785-0044
Susaki-shi
781-6410
Tano-cho
781-3333
Tosa-cho
781-1142
Tosa-shi
787-0328
Tosashimizu-shi
781-7304
Toyo-cho
785-0214
Tsuno-cho
781-6201
Umaji-mura
781-6436
Yasuda-cho
785-0606
Yusuhara-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.