内線
ないせん
naisen
JLPT N2nounVocabularyLevel 66 - JLPT N2

Quick answer

内線 (ないせん (naisen)) means "Extension (phone)". The reading is ないせん (naisen). Audio pronunciation and kanji breakdown are below.

Meaning

Extension (phone)

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Example Sentences

会社の内線電話で、営業部に連絡をしました。

かいしゃのないせんでんわで、えいぎょうぶにれんらくをしました。

I contacted the sales department using the company's phone extension.

Kanji in this word

Grammar to study at this level

Last updated Jun 18, 2026

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