0 : National Domestic Direct Dialing Access Code

00 : International Direct Dialing Access Code

101 : Domestic Long Distance Telephone Service

105 : Vietnam Paging Service (in English)

106 : Paging Service Enquiries

107 : Vietnam Paging Service (in Vietnamese)

1080 : Social and Cultural Information Clearing up Queries Service

1081 : Talking Yellow Pages

1088 : Connecting Customers to Consultants in the fields of healthcare, nutrition, drug preventive measures, law, informatics, construction, tourism, estate trading, education and training, intellectual property, love-marriage-family matters

110 : International Telephone Service

113 : Police

114 : Fire Brigade

115 : Ambulance

116 : Phone Number Enquiries

117 : Time Inquiries

118 : Ring Back Test

119 : Advice on Telephone Repairs

133 / 131 : Hanoi ABC Paging Service

141 : Vinaphone Paging Service

142 : International Telephone Service Rate

143 : International Telephone Service Enquiries