Used for DVD, Blu-ray, and similar media region codes. Often seen in technical or consumer electronics contexts.
See also: リージョンコード
The region code of this DVD is 2.
Refers to the telephone area code, e.g., 03 for Tokyo. Common in everyday phone number contexts.
The area code for Tokyo is 03.
リージョンコード is a direct loanword for region code, often used interchangeably with 地域番号 in media contexts, but 地域番号 can also mean telephone area code.
Compound of 地域 (region, area) and 番号 (number). A straightforward modern coinage for technical and telecommunication uses.