JP Japan Major Regions Postal Code Details
🏛️ Aomori · Tohoku
038-2744
Ajigasawa-machi
038-1342
Aomori-shi
038-3835
Fujisaki-machi
038-2326
Fukaura-machi
039-1522
Gonohe-machi
037-0401
Goshogawara-shi
039-1107
Hachinohe-shi
039-1207
Hashikami-cho
035-0113
Higashidori-mura
036-0165
Hirakawa-shi
039-3372
Hiranai-machi
036-8303
Hirosaki-shi
030-1502
Imabetsu-machi
038-1121
Inakadate-mura
038-3685
Itayanagi-machi
039-4500
Kazamaura-mura
036-0537
Kuroishi-shi
033-0023
Misawa-shi
035-0035
Mutsu-shi
037-0533
Nakadomari-machi
039-0815
Nambu-cho
036-1422
Nishimeya-mura
039-3162
Noheji-machi
039-2114
Oirase-cho
039-4601
Oma-machi
038-0241
Owani-machi
039-3215
Rokkasho-mura
033-0074
Rokunohe-machi
039-4711
Sai-mura
039-0143
Sannohe-machi
039-2782
Shichinohe-machi
039-1800
Shingo-mura
030-1712
Sotogahama-machi
039-0312
Takko-machi
039-2656
Tohoku-machi
034-0004
Towada-shi
038-3304
Tsugaru-shi
038-3522
Tsuruta-machi
039-4104
Yokohama-machi
030-1214
Yomogita-mura
📮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.