Area Code 9784 – Bungotakada, Oita

Geographic Overview and Assignment

Country code +81 is assigned to Japan under the ITU-T E.164 international numbering plan. The national destination code (NDC) 9784 is a geographic area code allocated to the Bungotakada area, located in Oita Prefecture on the island of Kyushu. This code is used for fixed-line (PSTN) services within the Bungotakada telephone exchange area, which is administered by Nippon Telegraph and Telephone West (NTT West). The numbering area covers the city of Bungotakada and its surrounding administrative districts, including the former towns of Kakaji and Matama, which were merged into the expanded city in 2005.

Geographic Coverage and Dialing Formats

The 9784 area code serves a predominantly rural and coastal region along the Seto Inland Sea. Primary localities within this numbering area include the central Bungotakada urban district, the port area, and adjacent agricultural communities. For local callers within the same NDC, the subscriber number is dialed without the area code, typically as a 7-digit local number (e.g., 22-XXXX). When calling from outside the Bungotakada area but within Japan, the trunk prefix 0 must be dialed followed by the area code and subscriber number: 0-9784-XX-XXXX. For international callers, the Japanese country code +81 is used, and the leading 0 is dropped: +81-9784-XX-XXXX.

Numbering Plan and Overlay Considerations

Japan's geographic numbering plan does not currently apply overlay codes for this region; the 9784 code is the sole NDC for Bungotakada. Subscriber numbers within this area are typically 7 digits in length, though some older lines may have shorter numbers. The total number of digits for a complete international number, including country code and NDC, is usually 13 digits (e.g., +81 9784 XX XXXX). No area code changes are anticipated in the near term, but users should verify with their service provider for any future renumbering.

Caller Instructions and Practical Notes

For local callers within Bungotakada, simply dial the 7-digit local number. For callers elsewhere in Japan, dial 0-9784-XX-XXXX. For international callers, dial the international access prefix (e.g., 011 from the US) followed by 81 9784 XX XXXX. When storing numbers in a mobile phone, it is recommended to use the international format +81 9784 XX XXXX to ensure proper routing when roaming. Note that calls to this geographic number are charged as domestic fixed-line tariffs, which may vary depending on the caller's location and service plan. VoIP services may offer reduced rates for such calls.