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Area code +81 5643 covers Okazaki, Aichi and surrounding areas.
Ringbat data identifies "NTT" as the carrier for this area code.
Coordinates for +81 5643 are (34.9548784, 137.1728226).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇯🇵 JP
Country Code: +81
Carrier: NTT
Prefix: 5643
Location: Okazaki, Aichi
Coords: 34.9548784, 137.1728226
Area Code Page: +81 5643
Comments: Disabled for area-code pages
Example: +81 5643 *** ***
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+81 5643 is an area code/prefix that appears to be associated with Okazaki, Aichi. It may be assigned to multiple phone numbers within that region.
Yes — use Ringbat's number search to look up a full number. This area-code page helps when only part of a number is known.
Carrier information for this prefix: NTT. In some cases multiple carriers may use similar prefixes.
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