Liechtenstein Phone Carrier Lookup
Find which network a Liechtenstein number is on today, its line type and whether it has been ported. Free, private, no sign-up.
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Liechtenstein phone numbers at a glance
Liechtenstein numbers use the country code +423, and mobile numbers usually start with +423 65 or +423 66. The networks with the most number ranges are Telecom Liechtenstein, Cubic, Datamobile AG and Dimoco. Because numbers can move between networks, the lookup above checks live carrier records to show the network a number is on today. It also shows the line type, whether the number was ported and whether it is a VoIP line - free, with no sign-up.
Updated October 2026
- Country code
- +423
- Trunk prefix
- 0 inside Liechtenstein
- Mobile number length
- 7-9 digits after +423
- Mobiles start with
- +423 65 or +423 66
How Liechtenstein numbers are written
Official example numbers for each line type, written the international way and the way they are dialled inside Liechtenstein.
| Line type | International | Inside Liechtenstein |
|---|---|---|
| Mobile | +423 660 234 567 |
660 234 567 |
| Landline | +423 234 56 78 |
234 56 78 |
| Toll-free | +423 800 22 22 |
800 22 22 |
Networks and number ranges in Liechtenstein
Which network each block of Liechtenstein numbers was first issued to, from the official numbering data. Numbers can move between networks, so run a lookup to see where one is today.
Telecom Liechtenstein
+423 650
+423 659
+423 66
+423 73
+423 79
Cubic
+423 65
Datamobile AG
+423 666
Dimoco
+423 6610
FL1
+423 6611
First Mobile
+423 74
Salt
+423 78
Soracom
+423 64
Swisscom
+423 77
Velos IoT
+423 668
Ranges are written in international format; inside Liechtenstein dial 0 in place of +423. Source: Google libphonenumber numbering data.
How to check a Liechtenstein number
Three steps, no sign-up - pick a country, paste the number, read the result.
-
1
Pick the country
Liechtenstein is already selected - or type the full number with its
+423code. -
2
Enter the number
Paste any phone number. We clean up spaces, dashes and brackets automatically.
-
3
Get the details
Instantly see the country, line type, carrier and whether it's a real mobile or a VoIP line.
Carrier lookup in other countries
Networks, number ranges and number formats for 89 countries.
United States
+1
United Kingdom
+44
Canada
+1
India
+91
Australia
+61
Germany
+49
France
+33
Spain
+34
Italy
+39
Netherlands
+31
Sweden
+46
Brazil
+55
Show all 88 countries
Afghanistan
+93
Azerbaijan
+994
Bahrain
+973
Bangladesh
+880
Barbados
+1
Belgium
+32
Bermuda
+1
Cambodia
+855
Caribbean Netherlands
+599
Cayman Islands
+1
Chile
+56
Colombia
+57
Congo - Brazzaville
+242
Congo - Kinshasa
+243
Croatia
+385
Cyprus
+357
Czechia
+420
Denmark
+45
El Salvador
+503
Finland
+358
Georgia
+995
Ghana
+233
Greece
+30
Guadeloupe
+590
Guinea
+224
Hong Kong SAR China
+852
Hungary
+36
Iceland
+354
Indonesia
+62
Iran
+98
Iraq
+964
Ireland
+353
Israel
+972
Japan
+81
Kazakhstan
+7
Kenya
+254
Kyrgyzstan
+996
Laos
+856
Latvia
+371
Liberia
+231
Malaysia
+60
Mongolia
+976
Nepal
+977
New Zealand
+64
Nigeria
+234
North Macedonia
+389
Norway
+47
Pakistan
+92
Panama
+507
Peru
+51
Poland
+48
Portugal
+351
Romania
+40
Russia
+7
Saudi Arabia
+966
Senegal
+221
Serbia
+381
Sierra Leone
+232
Singapore
+65
Slovakia
+421
Slovenia
+386
Somalia
+252
South Africa
+27
South Sudan
+211
Sri Lanka
+94
St. Pierre & Miquelon
+508
Switzerland
+41
Taiwan
+886
Tajikistan
+992
Tanzania
+255
Thailand
+66
Türkiye
+90
Uganda
+256
Ukraine
+380
Uzbekistan
+998
Vietnam
+84
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Liechtenstein carrier lookup questions
Short, straight answers about what the lookup can and can't tell you.
How do I find out which network a Liechtenstein number is on?
Run it through the lookup above: it checks live carrier and porting records and shows the network the number is on today. The prefix alone tells you which network a number range was first issued to - the table on this page lists them - but a Liechtenstein number can move to another network and keep its digits.
How can I tell if a Liechtenstein number is a mobile?
Mobile numbers in Liechtenstein usually start with +423 65 or +423 66 (065 or 066 when dialled inside Liechtenstein). The lookup confirms it for any number: it shows the line type - mobile, landline or VoIP.
What is the country code for Liechtenstein?
Liechtenstein uses the country code +423. Inside Liechtenstein numbers are dialled with a leading 0; from abroad you drop that 0 and dial +423 instead.
How do you write a Liechtenstein phone number?
In international format a Liechtenstein mobile number looks like +423 660 234 567, and inside Liechtenstein like 660 234 567. Mobile numbers have 7-9 digits after the +423. The lookup also gives you the clean E.164 form (no spaces) that apps and SMS systems expect.
Which mobile networks are there in Liechtenstein?
The official numbering data names 10 networks with Liechtenstein number ranges. The ones with the most ranges are Telecom Liechtenstein, Cubic, Datamobile AG and Dimoco. Smaller networks often run on one of those, so a number can show a different carrier name in the live check.
Is the phone carrier lookup really free?
Yes. The lookup is completely free and needs no sign-up or credit card. We cover the cost of the live carrier check, so there are no hidden per-search fees.
Does the person know I looked up their number?
No. The lookup is completely passive - we never call, text or otherwise contact the number, and the carrier check reads routing records rather than reaching the phone, so its owner gets no notification of any kind.