08690 area code — Okayama
08690 is the local dialing code used in Okayama, Japan. It falls within Okayama. Numbers are written internationally as +81 8690.
How to call Okayama
- From abroad
- +81 8690 XXX XXXX
- Within Japan
- 08690 XXX XXXX
- Country calling code
- +81
About the 08690 area code
A full number here takes the form +81 8690 XXX XXXX — the 8690 identifies Okayama within Japan's numbering plan.
Area codes like 08690 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 Okayama?
Okayama uses the area code 08690, written internationally as +81 8690.
How do I call Okayama from another country?
Dial your international access code, then +81 8690, then the local number — dropping the national leading 0.
What time is it in Okayama?
Okayama is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 08690 a mobile or a landline code?
08690 is a geographic (landline) area code for Okayama. Mobile numbers in Japan use their own separate prefixes.