Area Code 766 – Bengkalis

Overview of Area Code 766

Area code 766 is a geographic National Destination Code (NDC) assigned to the Bengkalis region in the Riau Province of Sumatra, Indonesia. It serves the administrative capital of Bengkalis Regency and its surrounding districts, including Bantan, Bukit Batu, and Siak Kecil. The code is part of Indonesia's national numbering plan under ITU-T E.164, facilitating PSTN and VoIP calls to fixed-line subscribers within this area.

Geographic Coverage and Administrative Jurisdiction

The 766 prefix covers Bengkalis Regency, an archipelago and coastal area on the eastern coast of Sumatra, facing the Strait of Malacca. Key towns served include Bengkalis town, Sungai Pakning, and Selat Panjang (the latter is actually under a different code, 763, for the Meranti Islands). The jurisdiction includes both mainland and island communities, with telecommunication infrastructure supporting local government, commercial, and residential services.

Dialing Formats and Caller Instructions

For local callers within Indonesia (outside the 766 area), the domestic dialing format is: 0766-XXXXXXX, where '0' is the trunk prefix, '766' is the area code, and the subscriber number typically consists of 5 to 7 digits. For example, a local call to a fixed line in Bengkalis would be dialed as 0766-1234567.

For international callers, the format is: +62 766-XXXXXXX, dropping the leading '0'. For instance, an international caller would dial +62 766-1234567 to reach a subscriber in Bengkalis. When dialing from within the same area code, callers may omit the area code and dial only the local subscriber number, but this practice is increasingly discouraged due to overlay considerations.

Overlay and Numbering Plan Considerations

Currently, no overlay code has been implemented for the 766 area. However, as with many Indonesian regions, the national regulator (Kominfo) periodically reviews numbering resources. Subscribers in Bengkalis may have the option to use VoIP services, which can route calls using the same geographic numbering scheme, but the underlying technology is transparent to the caller.

Practical Information for Callers

When calling a Bengkalis fixed line from a mobile phone, the same domestic format applies. It is important to note that calls to geographic numbers are typically charged at local rates when dialed from within Indonesia, but international callers will incur international tariffs. For travelers or businesses, ensuring the correct country code (+62) and area code (766) is essential to avoid misdialing.