Liechtenstein is +423
A local writes 771 23 45 — the dialer below turns that into what you press.
Liechtenstein only got its own +423 in 1999, having previously been Swiss area code 075 under +41. The tiny plan uses bare seven-digit numbers with no trunk zero, so even neighbours in Switzerland must now dial the full international form. Numbers starting 7 are the national mobile ranges.
Seven digits with no trunk code; mobiles sit in ranges beginning 7, fixed lines elsewhere in the plan.
You dial
011 423 7712345
011 exits United States · 423 reaches Liechtenstein. From any mobile, +423 7712345 works worldwide.
Type the number the way a local writes it — the arithmetic is derived from each country's ITU plan.
Plan facts verified against ITU-T E.164 assigned country codes · Telephone numbers in Liechtenstein — Wikipedia. Prose is our own.
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