Dialing from Armenia and Artsakh (Nagorno-Karabakh) – 0 + network code + telephone number
Dialing from abroad – 00 + 374 + network code + telephone number
“Beeline” fixed-line network of Yerevan – 10
“Ucom” fixed-line network of Yerevan – 11
“Rostelecom” fixed-line network of Yerevan – 12
Fixed-line IP networks (“ADC”, “Arminco”, “Crossnet”, “Griar Telecom”, “Rostelecom”, “Ucom”, …) – 60
“Beeline” mobile network – 43, 91, 96, 99
“Ucom” mobile network – 41, 44, 55, 95
“Vivacell-MTS” mobile network – 49, 77, 93, 94, 98
Fixed-line network of Artsakh (Nagorno-Karabakh) – 47
Mobile network of Artsakh (Nagorno-Karabakh) – 97