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Japan postal codes starting with 123

34 postal codes in Japan start with 123. The international calling code for Japan is +81.

Postal codes

Showing 34 of 34

Postal codePlaceRegion
123-0841 Nishiarai Tokyo To
123-0842 Kurihara Tokyo To
123-0843 Nishiaraisakaecho Tokyo To
123-0844 Okino Tokyo To
123-0845 Nishiaraihoncho Tokyo To
123-0851 Umeda Tokyo To
123-0852 Sekibara Tokyo To
123-0853 Motoki Tokyo To
123-0854 Motoki Higashimachi Tokyo To
123-0855 Motoki Minamimachi Tokyo To
123-0856 Motoki Nishimachi Tokyo To
123-0857 Motoki Kitamachi Tokyo To
123-0861 Kaga Tokyo To
123-0862 Saranuma Tokyo To
123-0863 Yazaike Tokyo To
123-0864 Shikahama Tokyo To
123-0865 Shinden Tokyo To
123-0871 Tsubaki Tokyo To
123-0872 Kohoku Tokyo To
123-0873 Ogi Tokyo To
123-0874 Horinochi Tokyo To
123-8501 Kurihara Tokyo To
123-8503 Nishiaraihoncho Tokyo To
123-8505 Horinochi Tokyo To
123-8506 Horinochi Tokyo To
123-8507 Yazaike Tokyo To
123-8508 Yazaike Tokyo To
123-8509 Shikahama Tokyo To
123-8511 Shinden Tokyo To
123-8512 Nishiaraisakaecho Tokyo To
123-8514 Kohoku Tokyo To
123-8517 Kohoku Tokyo To
123-8540 Nishiaraisakaecho Tokyo To
123-8588 Horinochi Tokyo To

Source: GeoNames postal code data (CC BY). See data sources.

Frequently asked questions

How many postal codes does Japan have?

Our list has 146,447 postal codes for Japan. The official number can differ because postal services update their codes over time.

How do I find a postal code by place name?

Type the place name in the search box above the table, or use the letter buttons to jump to the first letter.