There two biggest providers of the mobile telephony in the country: MoNet GSM (www.monetcg.com, Montenegro, GSM-900, code 067), Pro Monte (www.promonte.com, Montenegro , GSM-900/1800, code 069), covering almost all the territory of the country.
You can buy SIM-cards and payment-cards overall – in the shops, post-offices, tobacco shops, newspaper kiosks, in the offices of operator. In order to call the gsm from a public telephone you are to dial the code of the operator first. All the subscribers of the biggest Russian operators can use the roaming services within Montenegro.