Brunei flag BN

How to Call Brunei from the United States

Country code +673 — Dial 011 673 71X XXXX from a US landline or +673 71X XXXX from a mobile phone.

+673
Brunei Country Code

What to Dial

  1. 1Dial 011 from a US landline, or + from a mobile (hold the 0 key).
  2. 2Dial 673, the country code of Brunei.
  3. 3Dial the number: 7 digits, exactly as written: Brunei has no leading 0 to drop.
Calling a… Written in Brunei From a US landline From a cell phone
Mobile 71X XXXX 011 673 71X XXXX +673 71X XXXX
Landline (Brunei Muara) 234 XXXX 011 673 234 XXXX +673 234 XXXX

X stands for any digit. Mobile numbers start with 22, 7 or 8. More number types: Brunei phone number format.

Mobile or Landline?

Brunei had 118 mobile subscriptions and 27.7 landlines per 100 people in 2024. Most people you call will be on a mobile, so ask for their mobile number and check what your plan charges for calls to Brunei mobiles.

Source: World Bank (ITU).

Calling Tips for Brunei

Best Time to Call

To reach someone between 9 AM and 8 PM in Bandar Seri Begawan, call between 9:00 PM–8:00 AM EDT (6:00 PM–5:00 AM PDT). Brunei doesn’t change its clocks, so the gap moves by an hour when the US does.

Brunei is on UTC+8, 12 hours ahead of US Eastern Time right now.

Cost Saving Tips

  • VoIP services such as Google Voice or Vonage usually charge less per minute than a carrier's standard international rate.
  • WiFi calling apps (WhatsApp, Viber, FaceTime) are free when both parties have the app.
  • Check your carrier's international plan — many offer add-on packages.

Time Difference

US Eastern (EDT)
--:--
UTC-4
+12h
Brunei
--:--
UTC+8

Frequently Asked Questions

How do I call Brunei from the US?
From a US landline, dial 011, then 673, then the number: 011 673 71X XXXX for a mobile. From a cell phone, dial +673 71X XXXX.
Do I need to drop a 0 when calling Brunei?
No. Brunei has no trunk prefix: dial every digit after +673 exactly as written, for example +673 71X XXXX.
How many digits is a phone number in Brunei?
7 digits after the country code +673. Mobile numbers start with 22, 7 or 8.
What time should I call Brunei from the US?
Brunei is 12 hours ahead of New York (UTC+8 in Bandar Seri Begawan). To reach someone between 9 AM and 8 PM there, call between 9:00 PM–8:00 AM EDT, or 6:00 PM–5:00 AM PDT on the West Coast. Brunei doesn't change its clocks, so the difference shifts by an hour when the US switches to or from daylight saving time.
How do people in Brunei call the US?
They dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX, or +1 from a mobile.
How much does it cost to call Brunei?
It depends on your plan: many US plans charge per minute for international calls, and calls to Brunei mobiles often cost more than calls to landlines. Internet calling apps are free when both people have the same app.
Brunei Quick Info
Country Code +673
ISO Code BN
Capital Bandar Seri Begawan
Time Zone UTC+8
Exit Code (US) 011
Full Country Profile
Related Pages
Nearby Countries
Popular Calling Guides