0438 area code — Kisarazu
In Japan, the area code 0438 covers Kisarazu. It falls within Chiba. Numbers are written internationally as +81 438.
How to call Kisarazu
- From abroad
- +81 438 XXX XXXX
- Within Japan
- 0438 XXX XXXX
- Country calling code
- +81
About the 0438 area code
When you see a number beginning +81 438, it belongs to Kisarazu: the 81 is Japan's country calling code and 438 is the area code.
Area codes like 0438 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 Kisarazu?
Kisarazu uses the area code 0438, written internationally as +81 438.
How do I call Kisarazu from another country?
Dial your international access code, then +81 438, then the local number — dropping the national leading 0.
What time is it in Kisarazu?
Kisarazu is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 0438 a mobile or a landline code?
0438 is a geographic (landline) area code for Kisarazu. Mobile numbers in Japan use their own separate prefixes.