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JP

Japan Address formats

Look up postal examples and address form layouts by destination. Each entry gives its source and scope.

Data snapshot: Sources and data boundaries

Mailing an item

International mail in Roman letters

Mailing template
[Recipient name]
[Area, block and building number]
[Municipality and prefecture]
[Postal code]
[Country name]

Postal code position · On a separate line below the locality.

The UPU also describes Japanese-script addresses and other layouts.

Replace the bracketed labels with the recipient’s details. Use the spelling supplied by the recipient.

Official source · UPU: Japan addressing guide

If the country guide does not open, you can still check postcode formats in the UPU directory. Look up postcode formats (UPU)

Filling in a form

These are common labels. Follow the specific form and the recipient’s address.

Address form field order
〒[Postal code]
[Administrative area]
[Street address]
[Organization]
[Recipient name]
Latin-script field order
[Recipient name]
[Organization]
[Street address], [Administrative area]
[Postal code]

Fields marked required by the form reference · Street address, Administrative area, Postal code

Form field data source

Address line 1
Enter the street address, or the PO box when the recipient uses one and the form allows it.
Address line 2
Use for an apartment, floor or building if the form has no separate field. Leave it empty if it does not apply.
City / town
Use the locality in the recipient’s address. Fill a district or village separately if the form asks.
State / province / region
Use the region name or the value offered by the form. Look up subdivision codes if the form asks for a code. Look up subdivision codes
ZIP / postal code
Keep any leading zeros, letters and spaces. If the address has no postcode and the form insists on one, ask the form provider what to use.
Country / region
Select the destination as the form lists it. The two-letter ISO 3166-1 code is shown below for forms that ask for a country code.

Source version · Postal guidance 2026-11-13

Data provenance

Sources

Data snapshot: 2026-11-13