Area Code 51 – Temburong
The phone area code for Temburong is 51 (international format +67351). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of Temburong
Overview of Brunei Area Code 51
Area code 51 is a geographic destination code within Brunei's national numbering plan, administered under the ITU-T E.164 standard. It serves the Temburong District, the eastern exclave of Brunei, separated from the main western part of the country by the Malaysian state of Sarawak and the Brunei Bay. Temburong is the least populous district, known for its pristine rainforests, the Ulu Temburong National Park, and the town of Bangar, which acts as the district's administrative center.
Geographic Coverage and Dialing Formats
The 51 prefix is assigned to fixed-line telephone services within Temburong. It covers the entire district, including Bangar and surrounding villages. When dialing locally within Brunei, the trunk prefix 0 is used before the area code and subscriber number. The national significant number (NSN) for Temburong numbers is 7 digits, comprising the area code (2 digits) and a 5-digit subscriber number. For example, a typical local number might be 51X XXXX.
To call a Temburong number from within Brunei (e.g., from Bandar Seri Begawan), you must dial: 0 51 XXXX XXXX (replacing X with the actual digits). From outside Brunei, the international access code (typically + or 00) is used, followed by Brunei's country code 673, then the area code without the leading trunk prefix, and the subscriber number. Thus, an international caller would dial: +673 51 XXXX XXXX.
Important Dialing Notes
- No Trunk Prefix for International Calls: When dialing from abroad, omit the leading '0' of the trunk prefix. Use +673 directly.
- Overlay and Numbering: Brunei does not currently use overlay codes for geographic areas; the 51 code is exclusively for Temburong. However, with the growth of VoIP and mobile services, some numbers may be non-geographic, but 51 remains dedicated to fixed-line services in Temburong.
- Caller Instructions: For local callers in Brunei, always include the trunk prefix '0' when dialing any fixed-line number outside your immediate local area. For international callers, ensure you have the correct country and area codes to avoid misdialing.
Understanding the correct dialing format ensures reliable connectivity to businesses and residents in Temburong, whether you are placing a domestic call from another district or an international call from overseas.