There are 10 Internet service providers in operation although some are based in HCMC and have stronger representation and service there.

FPT
FPT Building
Lo B2, Pham Hung
Cau Giay, Hanoi
T: (04) 3730 1515
www.fpt.com.vn/en

Netnam
Netnam Company
18A Hoang Quoc Viet
Cau Giay, Hanoi
T: (04) 3756 4907
F: (04) 3756 3888
www.netnam.vn

VNPT
Vietnam Posts and Telecommunications
Ocean Park, 10th floor
1 Dao Duy Anh
Hai Ba Trung, Hanoi
T: (04) 3511 3859
F: (04) 3518 2808
www.vnpt.com.vn

EVN
Electricity Company of Vietnam
30A Pham Hong Thai
Ba Dinh, Hanoi
T: (04) 2223 2323
F: (04) 2228 6868
www.evntelecom.com.vn

Hanoi Telecom
Hanoi Telecommunications Company
811 Giai Phong
Hoang Mai, Hanoi
T: (04) 3664 3720
F: (04) 3664 3716
www.hanoitelecom.com.vn

Viettel
Military Electronics Telecommunications Corporation
262 Nguyen Huy Tuong
Thanh Xuan, Hanoi
T: (04) 6255 5888
www.viettelecom.vn

OCI
One-Connection Internet
Saigon Software Park
123 Truong Dinh
D3, HCMC
T: (08) 3932 2116
F: (04) 3932 2135
www.one-connection.com/aboutus.php

SPT
Saigon Post
199 Dien Bien Phu
Binh Thanh, HCMC
T: (08) 5414 1608
F: (08) 5404 0609
www.spt.vn/en

Tienet
Trade Import Export Company

CMC Telecom
http://www.cmctelecom.vn/