Japan Postal Code Search 郵便番号

Offline postcode to address.

Free · Designed for iPad

Instantly connect postal codes and addresses, even without a connection. "Postal Code Address Offline Search" is a postal code and address search tool that can be used completely offline. You can quickly look up addresses even when you're underground or under a data limit, so you won't have any trouble preparing New Year's cards or filling out last-minute paperwork. What it Does • Enter a postal code to display the address (in Japanese) and its romaji notation. • Supports 7-digit codes (with or without hyphens). • Performs reverse lookup of a partial Japanese address to display the postal code and romaji address. • Easily find addresses even if you only vaguely remember the prefecture, city, ward, town, or district. • Quickly look up addresses like a dictionary. • Convenient for converting and confirming addresses. For People Like This • Addressing New Year's cards and not knowing the postal code. • Requires the correct address for application or contract documents. • Can't find addresses in an underground location without a signal. • Want to reduce data usage (concerned about data limits). • Want to search for addresses by remembering only part of the place name or block number. Features • Data is stored on your device: Complete offline search. • Simple input: Complete postal checks in the shortest time possible. • Fast address verification: Focus on writing letters and addressing. Download "Postal Code Address Offline Search" now and make address verification easier.

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The developer, Jun Takahashi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Seller
    • Jun Takahashi
  • Size
    • 68.6 MB
  • Category
    • Navigation
  • Compatibility
    Requires iOS 16.6 or later.
    • iPhone
      Requires iOS 16.6 or later.
    • iPad
      Requires iPadOS 16.6 or later.
    • Mac
      Requires macOS 13.5 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Age Rating
    4+
  • Copyright
    • © 2025 Jun Takahashi