Many Stores in Japan provide 365 days of services,
a part of Postal Services as well. Here is an introduction of major post offices open everyday in Tokyo, Kyoto and Osaka.

*Please note that this article contains affiliate links.

Tokyo

Tokyo Major Post OfficeEdit descriptiongoo.gl

Tokyo Central Post Office
Address: 2–7–2 Marunouchi, Chiyoda-ku, Tokyo 100–8994
Business Hours: 7:00-21:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map:https://goo.gl/86HUXk

Shinjuku Post Office
Address: 1–8–8 Nishishinjuku, Shinjuku-ku, Tokyo-to 160–0023
Business Hours: 7:00-21:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/maps/8d6YTyNCM7E2

Shibuya Post Office
Address: 1–12–13 Shibuya, Shibuya-ku, Tokyo-to 150–8799
Business Hours:  7:00-21:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/maps/SyKZhiNH7J92

Asakusa Post Office
Address: 1–1–1 Nishi-Asakusa, Taitou Ward, Tokyo 111–8799
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/maps/7Mo8fzMWFJz

Ueno Post Office
Address: 1–5–12, Shitaya, Taito-ku, Tokyo 110–8799
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/l53Iyo

Akasaka Post Office
Address: 8−4−17 Akasaka, Minato-ku, Tōkyō-to 107–8799
Business Hour: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/HNyeYd

Toshima Post Office
Address: 170–0013 Tokyo, Toshima, Higashiikebukuro, 3 Chome−18−1
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map:https://goo.gl/n1lmdJ

Nakano Post Office
Address: 2–27–1, Nakano, Nakanoku, Tokyo, 164–8799
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/6DUqHq

Adachi Post Office
Address: 42–4, SenjuAkebonocho, Adachi-ku, Tokyo 120–8799
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/gHPrdv

Meguro Post Office
Address: 1–15–16 Megurohoncho, Meguro, Tokyo 152–8799
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/8yb6Oa

Suginami Post Office
Address: 4-38-14 Naritahigashi, Suginami, Tokyo
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/6WDYIl

Kanda Post Office
Address: 2-12, Kanda-Awaji-Cho, Chiyoda-ku, Tokyo-to, 101-8799
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/nSNg87

Setagaya Post Office
Address: 2 -1-1 Sangenjaya, Setagaya City, Tokyo 154-8799
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/3nhr1J

Katsushika Post Office
Address: 2 -28-1 Yotsugi Katsushika-ku, Tōkyō-to 124-0011
Business Hours: 7:00-19:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/maps/qdh863BwbgS2

Kyoto

Kyoto Central Post Office
Address: 843–12 Higashi-shiokouji, Shimogyou-ku, Kyoto-shi, Kyoto-fu 600–8799
Business Hour: 7:00-21:00 (weekdays) 7:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/maps/75wA1MN9e6S2

Osaka

Osaka Major Post OfficesEdit descriptiongoo.gl

Osaka OCAT Post Office ( very close to Namba Station )
Address: 1–4–1 Minato-machi, Naniwa-ku, Osaka-shi 556–0017
Business Hour: 10:00–18:00 ( Open everyday )
Map: https://goo.gl/maps/ej2kk95rJUz

Osaka Central Post Office
Address: 1–3–1 Umeda, Kita-ku, Osaka-shi, Osaka-fu 530–0001
Business Hour: 9:00-19:00 (weekdays) 9:00-18:00 (Sat/Sun/Holidays)
Map: https://goo.gl/jL0249

Naniwa Post Office
Address: 3–10–1 Nambanaka, Naniwaku, Osaka Prefecture 556–0011
Business Hours: 8:00~19:00 (weekdays)/ 8:00~18:00 (Saturdays)/9:00~18:00 (Sun&Holidays)
Map: https://goo.gl/KyMlbX

Nishinari Post Office
Address: 2–3–29, Kishinosato, Nishinari-ku, Osaka-shi, Osaka 557–8799
Business Hour: 8:00-20:00( Monday-Saturday ),  9:00-18:00 (Sunday)
Map: https://goo.gl/4gGbXn

Tennoji MIO Post Office
Address:10–39, main building 3F, Hidenincho, Tennoji-ku, Osaka-shi, Osaka 543–0055
Business Hour: 10:00～18:00 (every day)
Map: https://goo.gl/PTZdvF

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