015799 area code — Haikou
In China, the area code 015799 covers Haikou. It falls within Hainan. Numbers are written internationally as +86 15799.
* China spans more than one time zone; the clock shows its primary zone.
How to call Haikou
- From abroad
- +86 15799 XXX XXXX
- Within China
- 015799 XXX XXXX
- Country calling code
- +86
About the 015799 area code
When you see a number beginning +86 15799, it belongs to Haikou: the 86 is China's country calling code and 15799 is the area code.
Area codes like 015799 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 China number. To actually receive an SMS on a China number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Haikou?
Haikou uses the area code 015799, written internationally as +86 15799.
How do I call Haikou from another country?
Dial your international access code, then +86 15799, then the local number — dropping the national leading 0.
What time is it in Haikou?
Haikou is in the Asia/Shanghai time zone; the live clock above shows the current local time.
Is 015799 a mobile or a landline code?
015799 is a geographic (landline) area code for Haikou. Mobile numbers in China use their own separate prefixes.