02566 area code — Sanjo
02566 is the telephone area code for Sanjo in Japan. It falls within Niigata. Numbers are written internationally as +81 2566.
How to call Sanjo
- From abroad
- +81 2566 XXX XXXX
- Within Japan
- 02566 XXX XXXX
- Country calling code
- +81
About the 02566 area code
Dialed within Japan as 02566, this code is written internationally as +81 2566 followed by the subscriber's local number.
Area codes like 02566 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 Sanjo?
Sanjo uses the area code 02566, written internationally as +81 2566.
How do I call Sanjo from another country?
Dial your international access code, then +81 2566, then the local number — dropping the national leading 0.
What time is it in Sanjo?
Sanjo is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 02566 a mobile or a landline code?
02566 is a geographic (landline) area code for Sanjo. Mobile numbers in Japan use their own separate prefixes.