02573 area code — Kashiwazaki
In Japan, the area code 02573 covers Kashiwazaki. It falls within Niigata. Numbers are written internationally as +81 2573.
How to call Kashiwazaki
- From abroad
- +81 2573 XXX XXXX
- Within Japan
- 02573 XXX XXXX
- Country calling code
- +81
About the 02573 area code
When you see a number beginning +81 2573, it belongs to Kashiwazaki: the 81 is Japan's country calling code and 2573 is the area code.
Area codes like 02573 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 Kashiwazaki?
Kashiwazaki uses the area code 02573, written internationally as +81 2573.
How do I call Kashiwazaki from another country?
Dial your international access code, then +81 2573, then the local number — dropping the national leading 0.
What time is it in Kashiwazaki?
Kashiwazaki is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 02573 a mobile or a landline code?
02573 is a geographic (landline) area code for Kashiwazaki. Mobile numbers in Japan use their own separate prefixes.