noun
mobile phone number; cell phone number
Common term for a mobile phone number. Often shortened to 携帯番号 in casual contexts.
携帯番号を教えてもらえますか？
Could you give me your mobile phone number?
電話番号 is a general phone number, while 携帯番号 specifically refers to a mobile phone number.
Compound of 携帯 (けいたい, 'mobile phone') and 番号 (ばんごう, 'number').