All major long-distance phone carries make it easy to phone using their calling card codes from any pay phone or hotel dialing 00 followed by Monaco's country code (377). It costs 2,60€/mit. Otherwise, it's available mobile phone rentals in Monaco.
Rentacell: 92 05 54 07

Postal Information

The main post office, The Scala Palace, Beaumarchais Square, is located across from the Hotel Hermitage. It has a full range of services, telephones, telegrams, fax and calling cards and is open Monday through Friday from 8:00 to 12:00.
Postcard and letter costs 0,80€ up to 20g respectively, and it takes about 1 week, 2 weeks for package by air.

Central post office

Address: Palais de la Scala – 1, Avenue Henry Dunant
Tel: (+377) 99 99 80 80
Fax: (+377) 99 99 80 10
Opening hours:
Mon – Fri: 08.00am–07.00pm
Sat: 08.00am–12.00pm