そちら様のお電話番号をいただけますか。

tbd

May I please have your telephone number?

昼間でも連絡がつく電話番号をご記入下さい。

tbd

Please enter a telephone number where you can be contacted during the day, too.

彼女の電話番号は電話帳でわかりますよ。

tbd

You can find her phone number in the directory.

電話帳で彼の電話番号を調べた。

tbd

I looked up his phone number in the telephone book.

私は電話帳で彼の電話番号を調べた。

tbd

I looked up his telephone number in a telephone directory.

もし彼が彼女の電話番号を知っていたら、電話できるのに。

tbd

If he knew her phone number, he could call her.

この電話番号に電話する方法を教えてください。

tbd

Could you tell me how to call this number?

もし彼が彼女の電話番号を知っていたならば、彼女に電話できたのに。

tbd

If he had known her phone number, he could have called her up.