+673Brunei
The +673 prefix belongs to Brunei. If you got a call or text from a number starting with +673 (calling code 673), it came from Brunei. You can also call Brunei from your web browser with TwinPhone — no app and no SIM.
Call from your browser — from $0.15/min, no app, no SIM.
Code
+673
ISO
BN
Region
Asia
Time zone
Asia/Brunei
Pay as you go
Call any country from $0.02/min
Free to sign up — no card needed to start. Top up $10 and pay only for the minutes you actually call. No subscription, no monthly fee.
No card to sign up · Top up $10 · Pay only when you call
Which country is +673?
The +673 code identifies Brunei on the international telephone network. Country code 673 is assigned to Brunei under the ITU-T E.164 numbering plan, so any phone number that begins with +673 — written +673 or 00673 — is a Brunei number. You can call any Brunei number directly from your browser with TwinPhone — no app, no SIM — paying only for the minutes you talk.
Anatomy of a Brunei phone number
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.
Mobile example
+XXX XXX XXXX
Example: +673 712 3456
Landline example
+673 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
How to call Brunei (+673) step by step
Enter the country code +673 when dialing Brunei from abroad.
Add the local phone number (in most countries, drop the leading zero).
Use TwinPhone to connect the call at low per-minute rates.
Start calling now
Enter a phone number and start instantly
Example numbers for Brunei:
Brunei at a glance
Country codes near +673
Dialing codes immediately above and below +673 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Frequently asked questions
Everything you need to know about TwinPhone.
The +673 code belongs to Brunei. Any phone number that starts with +673 — or with 00673 — is a Brunei number. To reach one, TwinPhone connects Brunei numbers straight from your browser — no app or SIM needed.
The 00673 prefix is Brunei. The 00 is the international exit code dialed from Europe and many other regions; it is followed by +673, the Brunei country code.
Dialing code 673 (dialed as +673 or 00673) belongs to Brunei. Any phone number that starts with +673 is a Brunei number.
Country code 673 is the ITU-T E.164 calling code for Brunei. To call Brunei from abroad, dial +673 followed by the national number.
The country code (international dialing code) for Brunei is +673. To call Brunei from abroad, dial +673 followed by the national number (in most countries, 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 (in most countries, 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.
Yes — we currently rent virtual numbers in the US and Canada, from $3.19/month. Use one as your caller ID so callers see a North American number, or receive incoming calls directly in your browser. Numbers for more countries are on the way.
Calling Brunei with TwinPhone is pay-as-you-go from your browser, billed by the minute (rounded up to the next full minute, minimum one minute) — no connection fee and no monthly fee. The exact per-minute price for +673 landlines and mobiles is shown live on this page, and that figure is the one you pay.
Yes. TwinPhone works entirely in your web browser — Chrome, Edge, Safari, or Brave on desktop or mobile. There is no app to install and no SIM card: open the site, add credit, dial +673 and the Brunei number, and the call connects.
A +673 number is not automatically a scam — +673 is simply the country code 673 assigned to Brunei under ITU-T E.164, so the call or text came from Brunei. If you do not know anyone there, treat an unexpected +673 call with the same caution as any unknown number: do not call back blindly and do not share personal details. Costs to call Brunei are shown above.
Cheap calls to Brunei
Per-minute rates to Brunei straight from your browser — no SIM, no app.
Where is this number from?
Paste an international number (with +) and we'll tell you which country it's from, its dialing code, and how to call.
All phone dialing codes
The complete list of country codes and international dialing prefixes.

Need to call Brunei (+673)?
Dial +673 with TwinPhone — no SIM, no app, right from your browser.
Free to sign up — no card, no subscription14-day money-back guarantee