[1] Until 21 June 1996, Monaco formed part of the French numbering plan, with fixed line numbers beginning with 93.
[2] On that date the Principality adopted its own country code +377.
[4] Mobile phone operators in at least two other jurisdictions, specifically Lonestar Cell in Liberia[5][6] and Vala in Kosovo,[7] have also used the +377 dialing code.
Vala's use of +377 ceased on 3 February 2017, when Kosovo implemented the +383 code.
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