0257 area code — Phu Yen province
In Vietnam, the area code 0257 covers Phu Yen province. Numbers are written internationally as +84 257.
How to call Phu Yen province
- From abroad
- +84 257 XXX XXXX
- Within Vietnam
- 0257 XXX XXXX
- Country calling code
- +84
About the 0257 area code
When you see a number beginning +84 257, it belongs to Phu Yen province: the 84 is Vietnam's country calling code and 257 is the area code.
Area codes like 0257 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 Phu Yen province?
Phu Yen province uses the area code 0257, written internationally as +84 257.
How do I call Phu Yen province from another country?
Dial your international access code, then +84 257, then the local number — dropping the national leading 0.
What time is it in Phu Yen province?
Phu Yen province is in the Asia/Ho_Chi_Minh time zone; the live clock above shows the current local time.
Is 0257 a mobile or a landline code?
0257 is a geographic (landline) area code for Phu Yen province. Mobile numbers in Vietnam use their own separate prefixes.