Brunei country code, +673 explained.
Everything you need to call Brunei with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Brunei
Bandar Seri Begawan · Asia
· COUNTRY INFO · VERIFIED
ISO Alpha-2
BN
Capital
Bandar Seri Begawan
Region
Asia
Timezone
UTC+8
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +673 · XXXXXXX
How Brunei numbers break down
A complete number to Brunei follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into Brunei.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +673 · XXXXXXX
Brunei on the map
Bandar Seri Begawan · Asia
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
Virtual numbers & SIP trunking for Brunei
Businesses expanding into Brunei typically start with a local +673 virtual number: it's provisioned in the dashboard, rings through to any device, and presents local caller ID from the first call.
Local +673 caller ID
Calls display a recognisable Brunei number instead of an unfamiliar international one.
SIP trunking
Route your existing PBX or softphone through Twiching's Tier-1 trunk — no hardware swap.
Minutes to provision
Numbers activate in the dashboard the same day, with no on-the-ground carrier contract.
+673
Brunei · ready to provision today
What makes Twiching's Brunei routes different
Every call into Brunei rides the same Tier-1 backbone Twiching uses across all 191 countries — no separate infrastructure, no separate reliability tier for smaller markets.
Brunei
+673
191
Countries in directory
BRUNEI INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
How Brunei phone numbers are structured
Numbering Format
COUNTRY
+673
LOCAL
XXXXXXX
Under country code +673, Brunei runs a closed numbering plan — just a 7-digit subscriber number after the country code, no area code required.
Carriers & language
With 95% internet penetration, Brunei is covered by 2 major carriers — DST Communications, Progresif. VoIP is permitted and regulated by Authority for Info-Communications Technology Industry (AITI). IVR prompts, SMS copy, and business hours here should account for the local language (Malay) and currency (BND).
Asia context
Asian markets range from fully liberalised to licensed-only VoIP, so compliant routing and correct local caller ID have an outsized effect on answer rates.
Skipping the exit code
From the US you must dial 011 before the +673 country code to reach Brunei.
Adding an area code that doesn't exist
Don't insert an area code for Brunei: it's a closed plan, so +673 plus the 7-digit number is the whole address.
Ignoring the time difference
Before dialing Brunei, check the local clock — it runs on UTC+8, and off-hours calls tend to go unanswered.
Compliance, carriers & rates for Brunei
Permitted — AITI regulated
Regulated by Authority for Info-Communications Technology Industry (AITI)
Authority for Info-Communications Technology Industry (AITI) permits VoIP in Brunei without special licensing for compliant operators, which keeps setup straightforward — no separate approval process stands between signing up and placing the first call.
- VoIP is permitted and regulated by AITI under the Telecommunications Order.
- Licensed operators must comply with quality of service and interconnection standards.
- Consumer data protection and cybersecurity laws apply to all VoIP providers.
Direct Tier-1 interconnect with DST Communications — no wholesale transit in between.
US → Brunei
$0.020/min
Brunei → US
$0.022/min
Billed per second, not rounded to the minute
How businesses use a Brunei number
Answer-rate advantage
Cold outbound into Brunei converts better from a recognisable +673 number than from a foreign-looking one, especially on first contact.
Consistent delivery into Asia
Brunei sits on the same Tier-1 routing Twiching uses across Asia, so call quality doesn't drop when a campaign expands beyond one country.
Follow-the-sun coverage
Staff Brunei hours (UTC+8) with routing that sends calls to the right team at the right local time.
Test the market before committing
A Brunei SIP trunk lets a team pilot the market on a real local number, then scale to full local hiring later without changing the number customers already know.
FAQ
Calling Brunei — frequently asked questions
Where locally supported, yes — Twiching's Brunei numbers can send and receive SMS in addition to voice calls. That makes a single number usable for both two-way conversations and outbound notifications.
Asian markets range from fully liberalised to licensed-only VoIP, so compliant routing and correct local caller ID have an outsized effect on answer rates. In Brunei specifically, that's overseen by Authority for Info-Communications Technology Industry (AITI), which sets the compliance bar Twiching's routes are built to meet.
The US exit code is 011 for any international call, including to Brunei. It comes right before the +673 country code, and Twiching adds both automatically when you dial from the app, so you only need to enter the local number.
Yes, where locally supported — a single Twiching Brunei number can handle both voice calls and SMS. That avoids the overhead of provisioning and managing two separate numbers for one customer-facing line.
Yes — Brunei is one of 191+ countries in Twiching's directory, with virtual numbers, SIP termination, and Tier-1 routing available. It's part of the same platform used to manage numbers across every other country in the directory.
The subscriber portion of a Brunei number is 7 digits, after the country code. That's the part that identifies the specific line once the call has been routed to the right network.
Full country code directory
Calling elsewhere in Asia? Every country below has the same dial-code breakdown, carrier list, and VoIP regulation summary as Brunei. All 190 other countries are listed below, Asia first.
Get started
Get a Brunei number.
See what a real phone stack does.
Phone numbers, voice, SMS and AI on one account. Direct Tier-1 routing into Brunei from day one.
Compliance with applicable regulations required.