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According to Ringbat data, +81 1439 operates within Muroran, Hokkaido and nearby areas.
Our database lists the carrier as "NTT".
Mapped location for +81 1439 is (42.3152461, 140.9740731).
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: 1439
Location: Muroran, Hokkaido
Coords: 42.3152461, 140.9740731
Area Code Page: +81 1439
Comments: Disabled for area-code pages
Example: +81 1439 *** ***
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+81 1439 is an area code/prefix that appears to be associated with Muroran, Hokkaido. 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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