Brunei Calling Code: +673

Complete guide to calling Brunei — international dialing code, step-by-step instructions, and FAQ.

How to Call Brunei from Abroad

About Brunei Calling Code

To reach Brunei from another country, first dial the international calling code +673 — assigned by the ITU — followed by the local number. Brunei is located in Asia, in South-Eastern Asia.

Brunei is known locally as Negara Brunei Darussalam — Bandar Seri Begawan is the capital. When saving an international contact, write the number in full international format with +673 so it works from any country.

ISD code, country code, dialing code — these all mean the same E.164 prefix, and for Brunei it is +673. The ITU allocates one to each country and territory in South-Eastern Asia, and carriers use it as the first routing decision on any international call.

Where the +673 Calling Code Is Used

The country code +673 is assigned to Brunei, located in South-Eastern Asia, with the capital Bandar Seri Begawan. This code is part of the international telephony numbering plan and is used for all calls made to Brunei from outside the country.

When a number is written as +673 …, the +673 prefix directs your call to the Brunei national network. After the prefix, dial the area code without its leading zero, then the subscriber number — the same pattern for landlines and mobiles.

ITU-T E.164 groups calling codes by world region; codes beginning with 6 cover the part of the world that includes Brunei, in South-Eastern Asia. Storing numbers with +673 and omitting the domestic leading zero keeps contacts dialable from anywhere.

Brunei Phone Number Formats

The ITU E.164 format for Brunei numbers is +673 + area code + subscriber number, used for landlines and mobiles alike. Here is the general structure:

Storing a Brunei contact so it works from any country means writing +673 in front of the national number and dropping any leading trunk zero. In Brunei the number itself follows the published pattern +673-XXXXXXX, so keep the area code and subscriber digits together as a single block.

Time Zone in Brunei

The local time in Brunei follows the Asia/Brunei time zone (UTC+08:00 UTC). Check the time difference before you dial so your call arrives during waking hours.

Time differences matter when calling Brunei: if it is UTC+08:00 there, a morning call from Europe may reach Bandar Seri Begawan in the afternoon, while callers in the Americas should check the offset to avoid late-night calls.

If Brunei observes daylight saving time, its UTC offset shifts by an hour twice a year. Double-check the current offset before time-sensitive calls, especially in spring and autumn.

Best Time to Call Brunei

Business hours in Brunei run roughly 09:00–18:00 local time. Because Brunei sits at UTC+08:00, the window in which it is polite to call lands at a different hour for every caller. The table below converts Brunei's working day into your own clock — and shows the hours to avoid so you do not wake anyone up.

If you are in	Call Brunei between	Avoid calling between
London	01:00–10:00	15:00–23:00
New York	20:00–05:00	10:00–18:00
Los Angeles	17:00–02:00	07:00–15:00
Sao Paulo	22:00–07:00	12:00–20:00
Dubai	05:00–14:00	19:00–03:00
Mumbai	06:30–15:30	20:30–04:30
Singapore	09:00–18:00	23:00–07:00
Sydney	11:00–20:00	01:00–09:00

Times shown are standard time and ignore daylight saving, which shifts the clock by one hour in countries that observe it — around the clock change, add or subtract an hour from every figure above.

Emergency Numbers in Brunei

If you need urgent help while in Brunei, dial the local emergency numbers below. Note that these numbers are only for use inside Brunei.

Service	Number
Police	993
Fire	995
Ambulance	991

Example: Calling Brunei Numbers in Practice

Here is how a typical call to Brunei works, depending on where you are calling from:

If the local number begins with a trunk prefix (commonly 0), remove it when dialing internationally — +673 takes its place. The remaining digits are dialed exactly as written.

Calling Brunei from Major Countries

International exit codes differ by country. These are the ones most often used to reach Brunei (+673):

Calling From	Exit Code	Full International Dialing
United States	011	011 673 [local number]
United Kingdom	00	00 673 [local number]
United Arab Emirates	00	00 673 [local number]
Saudi Arabia	00	00 673 [local number]
Australia	0011	0011 673 [local number]
Japan	010	010 673 [local number]
India	00	00 673 [local number]
Singapore	001	001 673 [local number]

On mobile phones, the + symbol replaces the exit code entirely — just dial +673 followed by the local number.

Frequently Asked Questions

What is the calling code for Brunei?

The international calling code for Brunei is +673.

How do I call Brunei from the United States?

Dial 011 (US exit code), then +673, then the local phone number.

How do I call Brunei from the United Kingdom?

Dial 00 (UK exit code), then +673, then the local phone number.

Can I use the + symbol instead of the exit code?

Yes! On mobile phones you can dial +673 directly followed by the local number. The + symbol automatically replaces your country's exit code.

How do I call within Brunei?

If you're already in Brunei, simply dial the local number directly. You do not need to use the country code +673 for domestic calls.

What is the capital of Brunei?

The capital of Brunei is Bandar Seri Begawan. When calling the capital from abroad, dial +673 followed by the local area code (without the leading 0) and the number.

What are the emergency numbers in Brunei?

Police: 993, Fire: 995, Ambulance: 991. These numbers are only valid inside Brunei.

Is Brunei a country?

Yes — Brunei is a sovereign state, whose capital is Bandar Seri Begawan, and +673 is its international calling code.

Other Countries in Asia

Nearby countries and their calling codes:

Calling Brunei from Kazakhstan or Malaysia works the same way: dial your local exit code first, then +673, then the local number. Within Asia, many callers simply use the + symbol on mobile to avoid exit-code differences.