This is the telephone area code for Niigata City and surrounding coastal and agricultural areas along the Sea of Japan.
How to Call Niigata from Overseas
- Dial your country's exit code (International Access Code)
- Dial 81 (Japan country code)
- Dial the area code (25 - without the leading 0)
- Dial the local phone number
Example: Calling Niigata from Italy
00 81 25 123 4567
Where:
00 = Italy exit code
81 = Japan country code
25 = Niigata area code (025 without the 0)
123 4567 = Local Niigata phone number
Quick Facts
Niigata Area Code Coverage
The 025 area code covers central Niigata City and key nearby municipalities in Niigata Prefecture:
Niigata City Center
Chuo Ward, Furumachi shopping district, Bandai Bridge
East Niigata
Akiha, Kameda, and eastern residential zones
West Niigata
Nishikan Ward, coastal neighborhoods, Niigata Port
South Niigata
Minami Ward, industrial and logistics areas
North Niigata
Kita Ward, universities, and suburban communities
Greater Niigata
Nagaoka (uses 0258), Seiro, and Sanjo may use adjacent codes
Major Japan Area Codes
Common Exit Codes for Calling Japan
When calling Niigata from these countries, use these exit codes:
United States
011
Australia
0011
European Union
00
Japan
010
China
00
Canada
011