The country code +673 (673 area code) belongs to Brunei. Calling Brunei from any other country is simple, you can dial 00673 before the desired number.
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City
|
Dial Codes
|
|---|---|
| Brunei/Muara | +673-2 |
| Kuala Belait | +673-3 |
| Temburong | +673-5 |
| Tutong | +673-4 |