02640 area code — Nagano
02640 is the local dialing code used in Nagano, Japan. It falls within Nagano. Numbers are written internationally as +81 2640.
How to call Nagano
- From abroad
- +81 2640 XXX XXXX
- Within Japan
- 02640 XXX XXXX
- Country calling code
- +81
About the 02640 area code
A full number here takes the form +81 2640 XXX XXXX — the 2640 identifies Nagano within Japan's numbering plan.
Area codes like 02640 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 Nagano?
Nagano uses the area code 02640, written internationally as +81 2640.
How do I call Nagano from another country?
Dial your international access code, then +81 2640, then the local number — dropping the national leading 0.
What time is it in Nagano?
Nagano is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 02640 a mobile or a landline code?
02640 is a geographic (landline) area code for Nagano. Mobile numbers in Japan use their own separate prefixes.