Area Code 2382 – Yonezawa, Yamagata

Overview of Area Code 2382

Area code 2382 is a geographic National Destination Code (NDC) within the Japanese numbering plan, assigned to the city of Yonezawa and its surrounding areas in Yamagata Prefecture, located in the Tohoku region of Honshu, Japan. This code is part of the larger 0238 area code group, which serves the southern Yamagata region, including cities such as Yonezawa, Nagai, and Shirakawa (though Shirakawa is in Fukushima Prefecture, it is served by this code due to historical network boundaries). Specifically, the 2382 prefix is dedicated to the Yonezawa urban area and its immediate vicinity.

Geographic Coverage and Administrative Jurisdiction

Yonezawa is a historic castle town known for its textile industry and the Uesugi Shrine. The area code 2382 covers the central districts of Yonezawa City, including the commercial and administrative centers, as well as neighboring towns such as Takahata and Kawanishi. The region is under the jurisdiction of Yamagata Prefecture, and the telecommunications infrastructure is provided by NTT East (NTT Higashi-Nihon).

Dialing Formats and Caller Instructions

For callers within Japan, the domestic dialing format is 02382-X-XXXX (where X-XXXX is the subscriber number). However, note that the area code is often shortened to 0238 for the entire region, and the local exchange code (2) is included in the subscriber number when dialing from outside the area. For example, a local call within Yonezawa might be dialed as 82-XXXX if using the abbreviated local format, but the standard domestic format is 02382-XX-XXXX.

For international callers, the format is +81 2382 XX-XXXX (drop the leading zero). For instance, to call a Yonezawa number, you would dial +81 2382 45-6789. When dialing from a mobile phone within Japan, the same domestic format applies, but the call is routed as a geographic call and may incur long-distance charges depending on the caller's plan.

Overlay and Numbering Considerations

As of the latest ITU-T recommendations, there is no overlay code for this area; 0238 remains the sole NDC for the region. However, with the increasing adoption of VoIP and IP-based services, some numbers may be assigned non-geographic prefixes, but traditional PSTN lines retain the 02382 format. Callers should be aware that when dialing from overseas, the initial '0' is omitted, and the plus sign (+) represents the international access code.

For businesses and residents in Yonezawa, understanding the correct dialing format is essential for seamless communication both domestically and internationally. Always verify the complete number, including the area code, to avoid misdialing.