Area Code 1534 – Nakashibetsu, Hokkaido

Geographic Coverage and Administrative Jurisdiction

The area code 01534 is a geographic National Destination Code (NDC) assigned to the town of Nakashibetsu (中標津町) in the Kushiro Subprefecture of Hokkaido, Japan. This code serves the central and eastern portions of the Nemuro region, including the town center and surrounding rural districts. Nakashibetsu is known for its dairy farming and the Nakashibetsu Airport, which connects the region to major cities. The administrative jurisdiction falls under the Hokkaido Prefectural Government, with local telecommunications services historically provided by Nippon Telegraph and Telephone (NTT) East.

Dialing Formats and Number Structure

When calling a fixed-line subscriber in Nakashibetsu from within Japan, the national trunk prefix 0 is dialed, followed by the area code 1534 and the subscriber number. The complete national number typically consists of 10 digits, excluding the initial 0. For example, a local number such as 01534-6-XXXX would be dialed as 015346XXXX from a mobile phone or outside the area. From overseas, callers must use the international access prefix (e.g., 011 from the US, 00 from most countries), followed by Japan's country code +81, then the area code without the leading zero: +81 1534 6 XXXX. It is important to note that the area code is not separated from the subscriber number in international dialing; the entire national number is dialed after +81.

Local and International Caller Instructions

For local callers within the Nakashibetsu area, short-dialing may be available for calls to nearby exchanges, but this is increasingly rare. For callers from other parts of Japan, dial 01534 followed by the subscriber number. For foreign callers, ensure you have the correct country code and drop the leading zero. For example, to call a Nakashibetsu number 62-3456, you would dial +81 1534 62 3456. Mobile users in Japan can dial the full national number without the area code prefix if they are in the same region, but it is safer to include the area code.

Overlay and Numbering Plan Considerations

As of the latest ITU-T E.164 allocation, there is no overlay code for Nakashibetsu; the 01534 code is unique to this geographic area. However, with the ongoing migration to VoIP and IP-based services, some subscribers may have numbers that are not tied to a physical location, but the geographic code remains valid for routing. The Japanese Numbering Plan is managed by the Ministry of Internal Affairs and Communications (MIC), and NTT East is the designated carrier for this region. No major changes to this code are anticipated in the near future.