Country code
Liechtenstein: +423
Liechtenstein uses country code +423. From the United States, dial 011 423 660 234 567. A number is written +423 660 234 567.
How to call Liechtenstein
The table uses the example number below. Replace it with the number you are calling. Drop the 0 at the start of the national number when you dial from abroad.
| Calling from | Exit code | Dial |
|---|---|---|
| Any mobile phone | None | +423 660 234 567 |
| United States | 011 | 011 423 660 234 567 |
| Canada | 011 | 011 423 660 234 567 |
| United Kingdom | 00 | 00 423 660 234 567 |
| Australia | 0011 | 0011 423 660 234 567 |
| Germany | 00 | 00 423 660 234 567 |
| France | 00 | 00 423 660 234 567 |
| India | 00 | 00 423 660 234 567 |
| Japan | 010 | 010 423 660 234 567 |
| Mexico | 00 | 00 423 660 234 567 |
| South Africa | 00 | 00 423 660 234 567 |
How a Liechtenstein number is built
Digit counts are the national number only, after the country code and without the 0 trunk prefix.
| Line | Digits | Pattern |
|---|---|---|
| Mobile | 7 or 9 digits | A pattern of 87 characters, applied by the validator below |
| Landline | 7 digits | A pattern of 88 characters, applied by the validator below |
| Toll free | 7 or 9 digits | 8002[28]\d\d|80(?:05\d|9)\d{4} |
| Premium rate | 7 digits | 90(?:02[258]|1(?:23|3[14])|66[136])\d\d |
- Example, national form
- 660 234 567
- Example, international form
- +423 660 234 567
Validate a Liechtenstein 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 Liechtenstein, or start with + and the country code.
Who first issued each range in Liechtenstein
14 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 |
|---|---|
| +423 64 | Telecom Liechtenstein |
| +423 65 | Cubic |
| +423 650 | Telecom Liechtenstein |
| +423 659 | Telecom Liechtenstein |
| +423 66 | Telecom Liechtenstein |
| +423 6610 | Dimoco |
| +423 6611 | FL1 |
| +423 666 | Datamobile AG |
| +423 668 | Velos IoT |
| +423 73 | Telecom Liechtenstein |
| +423 74 | First Mobile |
| +423 77 | Swisscom |
Show the other 2 rows
| Starts with | First issued to |
|---|---|
| +423 78 | Salt |
| +423 79 | Telecom Liechtenstein |
14 rows. The first issuer of the range; numbers port between carriers, so the current carrier can differ.
Questions about calling Liechtenstein
- What is the country code for Liechtenstein?
- The country code for Liechtenstein is +423. Written in full, a number looks like +423 660 234 567.
- How do I call Liechtenstein from the United States?
- Dial 011, then 423 660 234 567. On a mobile phone you can dial +423 660 234 567 instead.
- Do I dial the 0 at the start of a Liechtenstein number from abroad?
- No. The 0 is the trunk prefix used for calls inside Liechtenstein (660 234 567). From abroad it is dropped after +423 (+423 660 234 567).
- How many digits is a Liechtenstein phone number?
- Mobile numbers have 7 or 9 digits after the country code. Landline numbers have 7 digits.
- How do I call another country from Liechtenstein?
- 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.