How to call Brunei using the international calling code +673 and area code.
Enter a phone number and start instantly
Example numbers for Brunei:
Your local time
—:—
Time in Brunei
—:—
Code
+673
ISO
BN
Region
Asia
Time zone
Asia/Brunei
Every Brunei number in international format follows this shape — colour-coded so you can see where the country code ends and the local number begins.
When dialing Brunei from abroad, the only fixed part is +673 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Brunei.
+XXX XXX XXXX
Dial the country code +673, then the full mobile number.
Example: +673 712 3456
+673 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +673 when dialing Brunei from abroad.
Add the local phone number without the leading zero.
Use TwinPhone to connect the call at low per-minute rates.
Brunei's international country code is +673. It was assigned by the International Telecommunication Union under recommendation E.164 and is the dialing prefix at the start of every Brunei phone number written in international format.
You'll often see +673 referred to in search as the "673 area code". Strictly speaking, +673 is a country code — area codes are sub-national, used inside Brunei. The practical meaning is the same: any number starting with +673 or 00673 is a Brunei number.
TwinPhone routes calls to every +673 number directly from your browser — no app, no SIM card, no calling card. Type +673 followed by the local number, press call, and you're connected.
Dialing codes immediately above and below +673 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Everything you need to know about TwinPhone.
The country code (international dialing code) for Brunei is +673. To call Brunei from abroad, dial +673 followed by the national number without its leading zero.
+673 is Brunei's international country calling code under the ITU E.164 plan — often searched as the "673 area code". Any phone number starting with +673 is a Brunei number.
From TwinPhone, just type +673 and the number — we connect it. From a landline, dial your exit code, then +673, then the number without the leading 0.
Brunei's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
No. TwinPhone works directly in your browser — Chrome, Edge, Safari, or Brave. Open the site, add credit, dial +673 and your number, done. No installs, no plugins, no SIM card required.
Yes! Virtual numbers in Brunei start at $1.95/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
Every call uses industry-standard transport encryption (TLS + SRTP). We don't sell your data or share your call history. We don't record calls unless you explicitly enable recording.
TwinPhone uses adaptive audio technology that adjusts to your connection quality. Even on slow or unstable Wi-Fi — airport, hotel, coffee shop — your call stays connected and audible.

Dial Brunei from your browser — pay only for what you call.
$0.50 credit on signup14-day money-back guarantee