Area Code 253 – Niigata, Niigata
The phone area code for Niigata, Niigata is 253 (international format +81253). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of Niigata, Niigata
Geographic Overview
The area code 253 is a geographic National Destination Code (NDC) within the Japanese numbering plan, assigned to the city of Niigata and its surrounding municipalities in Niigata Prefecture, located on the northwest coast of Honshu, Japan's main island. As part of the ITU-T E.164 numbering framework, this code routes calls to fixed-line (PSTN) subscribers within the designated service area. The region includes the central wards of Niigata City (such as Chuo-ku, Higashi-ku, and Konan-ku) as well as neighboring cities like Kamo, Gosen, and Agano, and towns including Seiro and Tagami.
Dialing Formats
When calling a landline in this area from within Japan, subscribers must dial the trunk prefix 0 followed by the area code 253 and the subscriber number (typically 6 to 8 digits). For example, a local number such as 45-6789 would be dialed as 0253-45-6789 from outside the area. From abroad, callers must use the international access prefix (00 or +), followed by Japan's country code 81, then the area code without the leading zero: +81 253 45 6789.
Local Calling and Overlays
Within the 253 area, calls between subscribers are considered local and can be dialed without the area code in many cases, depending on the specific telephone exchange. However, for clarity and to avoid misdialing, it is recommended to always include the area code. There are no overlay codes currently in effect for this region; the 253 code serves exclusively the geographic area described. The region is also served by mobile networks, which use separate non-geographic prefixes (e.g., 070, 080, 090) and are not affected by this area code.
Caller Instructions
For domestic callers outside the 253 area: dial 0-253-XXXXXX. For international callers: dial your country's exit code, then 81-253-XXXXXX (omit the leading zero). Ensure you have the correct subscriber number, as numbers may vary in length. This area code is part of Japan's closed numbering plan, where the total number length (including country code) is 13 digits for international calls.