Country code
Brunei: +673
Brunei uses country code +673. From the United States, dial 011 673 712 3456. A number is written +673 712 3456.
How to call Brunei
The table uses the example number below. Replace it with the number you are calling.
| Calling from | Exit code | Dial |
|---|---|---|
| Any mobile phone | None | +673 712 3456 |
| United States | 011 | 011 673 712 3456 |
| Canada | 011 | 011 673 712 3456 |
| United Kingdom | 00 | 00 673 712 3456 |
| Australia | 0011 | 0011 673 712 3456 |
| Germany | 00 | 00 673 712 3456 |
| France | 00 | 00 673 712 3456 |
| India | 00 | 00 673 712 3456 |
| Japan | 010 | 010 673 712 3456 |
| Mexico | 00 | 00 673 712 3456 |
| South Africa | 00 | 00 673 712 3456 |
How a Brunei number is built
Digit counts are the national number only, after the country code.
| Line | Digits | Pattern |
|---|---|---|
| Mobile | 7 digits | (?:22[89]|[78]\d\d)\d{4} |
| Landline | 7 digits | 22[0-7]\d{4}|(?:2[013-9]|[34]\d|5[0-25-9])\d{5} |
- Example, national form
- 712 3456
- Example, international form
- +673 712 3456
Validate a Brunei number
Paste a number and the tool checks it against the numbering plan. It returns the standard formats and the line type the plan assigns.
Type the number the way it is written in Brunei, or start with + and the country code.
Area codes and places in Brunei
The start of a number shows the place its range was first assigned to. 27 ranges are listed in the source.
| Starts with | Place |
|---|---|
| +673 20 | Brunei Muara |
| +673 21 | Brunei Muara |
| +673 220 | Brunei Muara |
| +673 221 | Brunei Muara |
| +673 222 | Brunei Muara |
| +673 223 | Brunei Muara |
| +673 224 | Brunei Muara |
| +673 225 | Brunei Muara |
| +673 226 | Brunei Muara |
| +673 227 | Brunei Muara |
| +673 23 | Brunei Muara |
| +673 24 | Brunei Muara |
Show the other 15 rows
| Starts with | Place |
|---|---|
| +673 25 | Brunei Muara |
| +673 26 | Brunei Muara |
| +673 27 | Brunei Muara |
| +673 28 | Brunei Muara |
| +673 29 | Brunei Muara |
| +673 3 | Beliat |
| +673 4 | Tutong |
| +673 50 | Temburong |
| +673 51 | Temburong |
| +673 52 | Temburong |
| +673 55 | Temburong |
| +673 56 | Temburong |
| +673 57 | Temburong |
| +673 58 | Temburong |
| +673 59 | Temburong |
27 rows. Names are where the range was first assigned; numbers move between places and carriers.
Who first issued each range in Brunei
18 ranges are listed in the source with the network that first held them. Numbers port between networks, so the current network can differ.
| Starts with | First issued to |
|---|---|
| +673 228 | DSTCom |
| +673 229 | DSTCom |
| +673 71 | UNN |
| +673 72 | UNN |
| +673 73 | UNN |
| +673 74 | UNN |
| +673 75 | UNN |
| +673 76 | UNN |
| +673 77 | UNN |
| +673 79 | UNN |
| +673 81 | UNN |
| +673 82 | UNN |
Show the other 6 rows
| Starts with | First issued to |
|---|---|
| +673 83 | UNN |
| +673 84 | UNN |
| +673 86 | UNN |
| +673 87 | UNN |
| +673 88 | UNN |
| +673 89 | UNN |
18 rows. The first issuer of the range; numbers port between carriers, so the current carrier can differ.
Questions about calling Brunei
- What is the country code for Brunei?
- The country code for Brunei is +673. Written in full, a number looks like +673 712 3456.
- How do I call Brunei from the United States?
- Dial 011, then 673 712 3456. On a mobile phone you can dial +673 712 3456 instead.
- How many digits is a Brunei phone number?
- Mobile numbers have 7 digits after the country code. Landline numbers have 7 digits.
- How do I call another country from Brunei?
- Dial 00, then the country code and the number. On a mobile phone, + replaces 00.
Check numbers in bulk with the API
| Product | Credits | Docs |
|---|---|---|
| Phone Numbering-Plan Validation | 1 credit per valid number | API docs |
| Country Calling Codes | 1 credit per lookup (an unknown code, country or name is free) | API docs |
Number patterns, lengths and examples: libphonenumber-js 1.13.15, released 2026-10-08, read 2026-10-19, built on Google's libphonenumber metadata. Place names and first issuers: libphonenumber geocoding and carrier files, read 2026-10-19. Library. LookValid is not connected to Google or to any phone company named here.