There are small post - office kiosks all over the city that do the basics. Go to the main domestic and international post office in the event that you need to do anything complicated.

Domestic post office
Add: 75 Dinh Tien Hoang Street
Tel: 825 7036
Opened: 7am-9.30pm
Occupies a full city block facing Hoan Kiem lake. You can send letters, pick up domestic packages and purchase philatelic items.

International postal office
Add: cnr Dinh Tien Hoang street and Dinh Le street
Tel: 825 2030
Opened: 7am-8.30pm
Has its own entrance to the right of the domestic office.

Private document and parcel carriers in Hanoi:

DHL
Add: 49 Nguyen Thai Hoc street
Tel: 733 2086

Federal Express
Add: 6C Dinh Le street
Tel: 824 9054

UPS
Add: 4C Dinh Le street
Tel: 824 6483