08378 area code — Shimonoseki
08378 is the telephone area code for Shimonoseki in Japan. It falls within Yamaguchi. Numbers are written internationally as +81 8378.
How to call Shimonoseki
- From abroad
- +81 8378 XXX XXXX
- Within Japan
- 08378 XXX XXXX
- Country calling code
- +81
About the 08378 area code
Dialed within Japan as 08378, this code is written internationally as +81 8378 followed by the subscriber's local number.
Area codes like 08378 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 Shimonoseki?
Shimonoseki uses the area code 08378, written internationally as +81 8378.
How do I call Shimonoseki from another country?
Dial your international access code, then +81 8378, then the local number — dropping the national leading 0.
What time is it in Shimonoseki?
Shimonoseki is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 08378 a mobile or a landline code?
08378 is a geographic (landline) area code for Shimonoseki. Mobile numbers in Japan use their own separate prefixes.