Post & Telecom

Telephone 
Hanoi code: 4 
     - Note the recently added '3' in front of all local numbers. Example:

Old dialling style: 1234567 (from within the city) or 04-1234567 (inter-provincial) or 0084-4-123456 (from overseas)
New dialling style: 3-1234567 (from within the city) or 04-3-1234567 (inter-provincial) or 0084-4-3-123456 (from overseas)
 

Internet 
 
There are plenty of internet cafés all over the city. Most are used by Vietnamese teens playing online dance or battle games. Rates vary, but can be as low as 3000 dong/hour. Some of the better cafés, particularly in the Old Quarter, have computers that are Skype-capable for international phone calls. Close to Hanoi Youth Hostel there is a cybercafe that charge tourist ten times the actual cost. It is next door, and has no name. If you are in a hurry use another one.
The cafes that charge you for using the Internet usually provide desktop computers. There are also cafes where they have free wireless. All you have to do is order something from their menus and use their wifi for as long as you want. The wifi cafes are usually concentrated around Hoan Kiem lake area.