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According to Ringbat data, +81 2231 operates within Japan and nearby areas.
Known carrier for +81 2231: "NTT".
The area code location is mapped at (36.5748441, 139.2394179).
Searching a number prefix can reveal carrier and location info from Ringbat's database.
Country: 🇯🇵 JP
Country Code: +81
Carrier: NTT
Prefix: 2231
Location: Japan
Coords: 36.5748441, 139.2394179
Area Code Page: +81 2231
Comments: Disabled for area-code pages
Example: +81 2231 *** ***
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+81 2231 is an area code/prefix that appears to be associated with Japan. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: NTT. In some cases multiple carriers may use similar prefixes.
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