Area Code 2652 – Iida, Nagano
The phone area code for Iida, Nagano is 2652 (international format +812652). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of Iida, Nagano
Overview of Area Code 2652
Area code 2652 is a geographic National Destination Code (NDC) assigned to the city of Iida and its surrounding municipalities in the southern part of Nagano Prefecture, Japan. This region is served by the NTT East network and falls under the broader Shinshu telecommunication zone. The code covers Iida City, the administrative and commercial hub, as well as neighboring towns such as Matsukawa, Takamori, Toyooka, and the former villages of Shimojō and Tenryū. The service area is characterized by mountainous terrain, with the Tenryū River valley forming a natural corridor for the local telecommunications infrastructure.
Dialing Formats
When calling a landline in the Iida area from within Japan, the trunk prefix '0' is dialed followed by the area code and the subscriber number. The local number format is 0-2652-XX-XXXX, where '0' is the national trunk prefix, '2652' is the NDC, and the remaining digits constitute the 6-digit subscriber number. For example, a typical local number might be 0-2652-45-6789.
For international callers, the country code for Japan is +81, and the leading '0' of the area code is dropped. The international format becomes +81-2652-45-6789. Thus, a caller from the United States would dial 011 81 2652 45 6789, while a caller from the United Kingdom would dial 00 81 2652 45 6789.
Geographic Coverage and Administrative Jurisdiction
The 2652 area code is administered under the jurisdiction of the Nagano Prefectural Government and the Iida City Office. It serves a population of approximately 100,000 residents. Key landmarks within the coverage area include the Iida City Museum, the historic Iida Castle ruins, and the scenic Tenryū River gorges. The region is also known for its apple orchards and traditional crafts, contributing to a stable local economy.
Overlay and Numbering Considerations
As of the current numbering plan, there is no overlay code for the 2652 area. The area code remains a standalone geographic code, and no changes are anticipated in the near future. Subscriber numbers are 6 digits long, and the total number of assignable lines is limited, but current capacity is sufficient for the region's needs.
Caller Instructions
Local callers within the Iida area can dial the 6-digit subscriber number directly without the area code, as it is a closed numbering plan within the local calling area. However, callers from outside the area but within Japan must dial the full 10-digit number including the trunk prefix and area code. International callers must always include the country code and omit the leading '0'. It is important to note that calls to this area are subject to standard domestic and international tariffs, and VoIP services may have different dialing rules depending on the provider.