Translation guide
A code that identifies a geographic region, such as a country, area, or administrative division. In Japanese, this is commonly expressed with 地域コード (chiiki kōdo) for general use, or more specific terms like 国コード (kuni kōdo) for country codes.
地域コードは何ですか？
What is the region code?
A code assigned to a geographic region for identification, such as in databases, forms, or standards.
The most direct and common translation for 'region code'. Used in technical, administrative, and everyday contexts.
この地域コードは何ですか？
What is this region code?
地域コードを入力してください。
Please enter the region code.
Loanword from English 'area code'. Often used for telephone area codes, but can also refer to geographic region codes in some contexts.
このエリアコードは東京です。
This area code is for Tokyo.
Used specifically for codes representing larger regions or districts within a country, such as prefectures or states. More common in administrative or statistical contexts.
地方コードで検索できます。
You can search by region code.
A code that identifies a country, such as ISO country codes (JP, US, etc.).
The standard term for 'country code'. Used in international contexts, shipping, and online forms.
日本の国コードはJPです。
Japan's country code is JP.
国コードを選択してください。
Please select the country code.
Specifically refers to ISO standard country codes. Used in technical or international business settings.
ISO国コードはアルファベット2文字です。
The ISO country code is two letters.
The numeric prefix for a geographic region in phone numbers.
The standard term for a telephone area code in Japan. Used for domestic calls.
東京の市外局番は03です。
Tokyo's area code is 03.
Also used for telephone area codes, especially in casual conversation or when referring to international codes.
A code restricting media playback to specific geographic regions.
The standard term for DVD/Blu-ray region codes. Widely understood in consumer electronics contexts.
このDVDのリージョンコードは2です。
This DVD's region code is 2.
地域コード (chiiki kōdo) is the general term for any region code, while エリアコード (eria kōdo) is often associated with telephone area codes. Use 地域コード for most technical or administrative contexts.
地域コードはデータベースで使われます。
Region codes are used in databases.
エリアコードをダイヤルしてください。
Please dial the area code.
アメリカのエリアコードは国によって違います。
Area codes in the US vary by state.