Post office in Bãi Cháy
Add: Intersection of Vườn Ðào and Hạ Long St., Hạ Long City
Tel: (84-33) 840 400

Post Office in Hòn Gai
Add: Lê Thánh Tông St., Hạ Long City     
Tel: 825 925

Useful Telephone Number:

Domestic long distance telephone code

0

International Telephone code

00

Domestic long distance telephone service           

101

General information service

1080

International Telephone service

110

Police

113

Ambulance

114

Fire brigade                                          

115

Phone number inquiries

116  

Send Message Service

105, 106, 107