What number do I dial to call Brunei from Japan?
Dial 010, then 673, then digitdigit digitdigitdigitdigit local format. For example: 010 673 34 5678.
International dialing guide
Call Brunei from Japan
Calling Brunei from Japan follows a standard international format: dial the Japan exit code, then Brunei's country code, then the local destination number.
Dial +673 numbers and any other international number from Qubicall.
Quick answer
How to dial: 010 + 673 + digitdigit digitdigitdigitdigit local format
Example: 010 673 34 5678
If the saved contact starts with +, replace 010 with + on mobile. For manual dialing from landlines in Japan, use 010.
Core calling info
- Destination country code
- Brunei: +673
- Origin exit code
- Japan: 010
- Average call costs
- Landline about $0.640/min. Mobile about $0.640/min.
Time zone difference
Brunei and Japan can have different local times, and offsets may change with daylight saving time. Check the destination city time before placing important calls.
Best calling window is usually business hours in Brunei, or early evening if you are calling family and friends.
Time zones vary by city, state, and daylight saving rules. Use destination local time before urgent calls.
How to Call Brunei from Japan
Use this sequence when dialing from a phone keypad, calling card, or VoIP dialer that expects international access codes. It works for normal landline and mobile formats as long as the final local number is valid.
- Dial 010, the international exit code for Japan.
- Dial 673, the country code for Brunei.
- Enter digitdigit digitdigitdigitdigit local format. Remove any domestic trunk prefix when required, such as a leading 0 on many European numbers.
- Check the full number before calling. Example: 010 673 34 5678.
Number format notes
International numbers work best when saved in E.164 style, meaning +673 followed by the national significant number. From a mobile phone, that usually lets you tap the saved contact from any country without changing the prefix. From a landline or office phone in Japan, the manual version is 010 before 673.
If the Brunei number was written for local use, check whether it includes a domestic trunk prefix. Many countries write landlines with a leading 0 for local calls, but that 0 is normally removed after the country code. North American numbers are different: keep the 3-digit area code and 7-digit subscriber number after country code 1.
Costs can differ between landlines and mobiles because carriers route those calls differently. If a number has moved between providers or uses a special service prefix, the billed rate can differ from a normal city landline. For predictable spend, check the country rate before long calls and confirm whether the number is landline, mobile, or premium.
Area codes in Brunei
Area codes below show common city examples. For international dialing, use the code shown in the table after +673 and before the local subscriber number.
| City | Area code | Dial example |
|---|---|---|
| Brunei landline | 673 | 010 673 34 5678 |
| Brunei mobile | 673 | 010 673 777 7777 |
| International format | 673 | 010 673 34 5678 |
FAQ
What time is it in Brunei when it's 9am in Japan?
When it is 9:00 AM in Japan, the time in Brunei depends on the exact cities and daylight saving rules. Use live local time for the destination before calling.
How much does it cost to call Brunei from Japan?
On Qubicall, guide rates for Brunei are about $0.640/min to landlines and $0.640/min to mobiles. Final cost depends on destination number type and current rate table.