JP Japan Major Regions Postal Code Details
🏛️ Tokyo · Kanto
123-0852
Adachi-ku
197-0824
Akiruno-shi
196-0023
Akishima-shi
100-1701
Aogashima-mura
116-0013
Arakawa-ku
112-0002
Bunkyo-ku
100-6836
Chiyoda-ku
182-0001
Chofu-shi
104-6010
Chuo-ku
132-0011
Edogawa-ku
183-0003
Fuchu-shi
197-0013
Fussa-shi
100-1622
Hachijoshimahachijo-Machi
192-0033
Hachioji-shi
205-0003
Hamura-shi
203-0023
Higashikurume-shi
189-0002
Higashimurayama-shi
207-0013
Higashiyamato-shi
191-0034
Hino-shi
190-0100
Hinode-machi
190-0213
Hinohara-mura
206-0801
Inagi-shi
175-0094
Itabashi-ku
124-0006
Katsushika-ku
114-0022
Kita-ku
204-0001
Kiyose-shi
187-0044
Kodaira-shi
184-0005
Koganei-shi
185-0031
Kokubunji-shi
201-0003
Komae-shi
135-6013
Koto-ku
100-0601
Kozushima-mura
186-0005
Kunitachi-shi
195-0063
Machida-shi
153-0052
Meguro-ku
100-1301
Mikurajima-mura
105-6125
Minato-ku
181-0013
Mitaka-shi
100-1101
Miyake-mura
190-1234
Mizuho-machi
208-0011
Musashimurayama-shi
180-0005
Musashino-shi
164-0013
Nakano-ku
179-0083
Nerima-ku
100-0401
Niijima-mura
188-0002
Nishitokyo-shi
100-2100
Ogasawara-mura
198-0213
Okutama-machi
100-0102
Oshima-Machi
144-0032
Ota-ku
198-0031
Oume-shi
157-0074
Setagaya-ku
150-6017
Shibuya-ku
141-6030
Shinagawa-ku
163-0211
Shinjuku-ku
190-0003
Tachikawa-shi
111-0052
Taito-ku
206-0025
Tama-shi
170-0013
Toshima-ku
100-0301
Toshima-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.