Necessary Tel Numbers
Necessary Telephone Numbers
| 0 | Call automatically to inter-provincial |
| 00 | Internationally automatic call |
| 101 | Registration of domestic long-distance conversations |
| 105 | Nationwide messaging services (English) |
| 106 | FAQs information service message |
| 107 | Nationwide Messaging services (Vietnamese) |
| 1080 | Information service to answer economic, cultural, social |
| 1081 | Service to answer the telephone yellow pages |
| 1088 | Services connect customers with advice on the following fields: Health, Nutrition, Prevention, Drug, Law, Communications, Construction, Tourism, Browse Real Estate, Education, Property intellectual, emotional psychology - Life Skills |
| 110 | Registration of international long-distance conversations |
| 113 | Police |
| 114 | Call fire |
| 115 | Medical assistance |
| 116 | Answer local telephone |
| 117 | Time |
| 118 | Self test tone |
| 119 | Report phone fix |
| 133/131 | Messaging services Hanoi ABC |
| 141 | Messaging services of information systems Vinaphone |
| 142 | Answer the call charges for International |
| 143 | Support and answer the international call |
