0237 area code — Thanh Hoa province
Phone numbers in Thanh Hoa province, Vietnam use the area code 0237. Numbers are written internationally as +84 237.
How to call Thanh Hoa province
- From abroad
- +84 237 XXX XXXX
- Within Vietnam
- 0237 XXX XXXX
- Country calling code
- +84
About the 0237 area code
Locally the code appears as 0237; from outside Vietnam you replace the leading 0 with +84 237.
Area codes like 0237 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Vietnam number. To actually receive an SMS on a Vietnam number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Thanh Hoa province?
Thanh Hoa province uses the area code 0237, written internationally as +84 237.
How do I call Thanh Hoa province from another country?
Dial your international access code, then +84 237, then the local number — dropping the national leading 0.
What time is it in Thanh Hoa province?
Thanh Hoa province is in the Asia/Ho_Chi_Minh time zone; the live clock above shows the current local time.
Is 0237 a mobile or a landline code?
0237 is a geographic (landline) area code for Thanh Hoa province. Mobile numbers in Vietnam use their own separate prefixes.