Dau so cac mang Mobifone 090..093..0120..0121..0122..0126..0128 l Vinafone 091..094..0123..0124..0125..0127..0129 l Viettel 097..098..0163..0164..0165..0166..0167..0168..0169 l Sfone 095 l EVN Telecom 096 l Beeline 0199..099 l VietNamobile 092..0188..0186 302