063 area code — Osaka
Phone numbers in Osaka, Japan use the area code 063. It falls within Osaka. Numbers are written internationally as +81 63.
How to call Osaka
- From abroad
- +81 63 XXX XXXX
- Within Japan
- 063 XXX XXXX
- Country calling code
- +81
About the 063 area code
Locally the code appears as 063; from outside Japan you replace the leading 0 with +81 63.
Area codes like 063 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 Osaka?
Osaka uses the area code 063, written internationally as +81 63.
How do I call Osaka from another country?
Dial your international access code, then +81 63, then the local number — dropping the national leading 0.
What time is it in Osaka?
Osaka is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 063 a mobile or a landline code?
063 is a geographic (landline) area code for Osaka. Mobile numbers in Japan use their own separate prefixes.