This is the telephone area code for Thanh Hoa City and surrounding areas in Thanh Hoa Province, a historic region in North Central Vietnam known for the Ho Dynasty Citadel and coastal landscapes.
How to Call Thanh Hoa from Overseas
- Dial your country's exit code (International Access Code)
- Dial 84 (Vietnam country code)
- Dial the area code (237 - without the leading 0)
- Dial the local phone number (7-8 digits)
Example: Calling Thanh Hoa from United States
011 84 237 3852 123
Where:
011 = USA exit code
84 = Vietnam country code
237 = Thanh Hoa area code (0237 without the 0)
3852 123 = Local Thanh Hoa phone number
Quick Facts
Thanh Hoa Area Code Coverage
The 0237 area code covers Thanh Hoa province and key districts:
Thanh Hoa City
Provincial capital, downtown, Le Loi Street
Ho Dynasty Citadel
UNESCO World Heritage Site near Vinh Loc
Sam Son Beach
Popular coastal resort town east of the city
Ba Thuoc
Western mountainous district, ethnic minority areas
Lang Chanh
Nature reserves and rural communities
Greater North Central
Nhu Xuan, Ha Trung, Yen Dinh, and agricultural zones
Major Vietnam Area Codes
Common Exit Codes for Calling Vietnam
When calling Thanh Hoa from these countries, use these exit codes:
United States
011
Australia
0011
European Union
00
Japan
010
China
00
Canada
011