02859 area code — Oyama
In Japan, the area code 02859 covers Oyama. It falls within Tochigi. Numbers are written internationally as +81 2859.
How to call Oyama
- From abroad
- +81 2859 XXX XXXX
- Within Japan
- 02859 XXX XXXX
- Country calling code
- +81
About the 02859 area code
When you see a number beginning +81 2859, it belongs to Oyama: the 81 is Japan's country calling code and 2859 is the area code.
Area codes like 02859 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 Japan number. To actually receive an SMS on a Japan number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Oyama?
Oyama uses the area code 02859, written internationally as +81 2859.
How do I call Oyama from another country?
Dial your international access code, then +81 2859, then the local number — dropping the national leading 0.
What time is it in Oyama?
Oyama is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 02859 a mobile or a landline code?
02859 is a geographic (landline) area code for Oyama. Mobile numbers in Japan use their own separate prefixes.