Monaco is +377
A local writes 61 23 45 67 — the dialer below turns that into what you press.
Monaco split from the French numbering plan in 1996, trading its old 93 Riviera prefix for a sovereign +377, which is why a call across the street into France now needs full international dialing. Eight digits suffice inside the principality, with 9 marking fixed lines and 6 the mobiles.
Eight digits with no trunk code; fixed lines begin with 9, mobiles with 6.
You dial
011 377 61234567
011 exits United States · 377 reaches Monaco. From any mobile, +377 61234567 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 Monaco — Wikipedia. Prose is our own.
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